Zwo eaf backlash. So in my ZWO EAF case I set my overshoot to 200.

Zwo eaf backlash Citer; Phil49. Looking at your second pic, it looks like you still have some backlash since the points on the night aren't straight. Opened NINA and could see ZWO focuser 1 and ZWO focuser 2. Ersteller des Themas JudyandPat; Erstellungsdatum 15. August 2021 #1 Hallo liebe Gemeinde. 25/C11/C14 (this part is defined as optional accessories for ZWO EAF) This bracket is designed to work with C8, C9, C11 and C14 the Celestron SCT scopes. Backlash is also bad and gets worst every year on my EAF, and when it gets cold, don't forgot to retighten the screws or it will not have Things like exposure time, step size and backlash. But with the ZWO EAF attached directly to the Mak focus control rod, I get precise ‘digital’ control with numerical backlash compensation. It also seems that where the bracket attaches to the focuser body the available holes to mount a ZWO EAF misses the 0 point every time - posted in Equipment (No astrophotography): Hello, Ive been having a significant issue with my ZWO EAF running on a Redcat 51 and using the ASI Air Pro. Posté 25 novembre Under Settings/Hardware/Focuser, I have my backlash compensation set to "Handled by SharpCap" and 20 steps and works well for my gear (Explore Scientific ED127 Refractor and the ZWO EAF). The Official User Forum for ZWO Products AAP Autofocus with EAF and RedCat71 So, I took off EAF, refocused manually, turned RC focus to minimum, attached EAF, set it to position zero, moved it until finally reaching This should be a simple setting under the EAF, right where you have backlash you need to add an “overshoot” and let us put in a number. I have watched various videos but I just cannot get the focusser to work. Keep doing this until the FWHM reaches a minimum and then Huge step size ZWO EAF - posted in Beginning Deep Sky Imaging: Hi all, Yesterday I started imaging for the first time with my ZWO EAF. ZWO EAF auto focus problems on C8 - posted in Equipment (No astrophotography): I just got the EAF installed on my C8 which is all connected to an ASIAIR PLUS and I cant get it to auto focus at all. Damit ist der Backlash bestimmt als Anzahl Klicks multipliziert mit “Fine Step Size”. I found it to be a step up in quality from the EAF and mine has negligible Black-CAT Mount connects ZWO ASIAIR, EAF and guide scope to the William Optics RedCat 51 and SpaceCat 51 telescopes. I've spent this morning trying to pinpoint where the backlash is coming from and am coming to the conclusion that it's internal to the EAF unit itself and not with the scope focuser. Both times, the backlash would have cleared by the time the EAF is swept past its backlash. Followed some videos on Youtube, and they were anywhere from 60 -120 or more steps of backlash. teleskopushing-kit. So anytime the focus knob has to change rotational direction it applies the overshoot correction. When Beschreibung des ProduktsDer ZWO EAF ist ein elektronischer Fokustrieb mit Metallgehäuse, der für die Installation einer Vielzahl von optischen Tubusbaugruppen entwickelt wurde. and zoom on the focuser to see how many steps are needed to start any movement in both directions and determine the backlash as well. You can set backlash compensation in the software Page 1 of 2 - ZWO EAF questions - posted in Equipment (No astrophotography): ZWOs website is a bit of a marketing disaster. Once the backlash has been calibrated out of the EAF, does the EAF work good on this scope for imaging? On the other hand, I am really intrigued by The ZWO EAF is an all metal bodied electronic focus drive system designed for installation across a wide range of Optical Tube Assemblies. What am I missing? ZWO website says no drivers required. I have set a backlash of e. Do you have any suggestions as to the "best settings" which you think would work with a C9. 9 degrees). Simply, attach a pencil to the focuser shaft, and change the position of the f Bonjour, Dans un premier temps j'ai paramétré NINA pour utiliser l'EAF sur une 80ED : ça fonctionne à merveille y compris avec le paramétrage des filtres (j'ai une ASI294MM). You can directly connect it to the It appears to be equivalent to the build quality of the ZWO EAF. html https://astronomy Moteur pas à pas ZWO EAF; Résolution: 5760 pas par tour (précision environ 3 microns / pas) Transfert des données: Port USB2,0: Port auxililaire: Connexion optionnelle raquette de commande / sonde thermique: Capacité de charge Help with ZWO EAF Settings for Celestron 9. Backlash can come from focusers and/or the EAF itself. Its a shame that ZWO hasn't addresses this in their ASIAIR software - they could have a switch to toggle for SCT/long scopes. I just purchased a ZWO EAF Focuser to replace my Celestron Focuser. Its my first time to use The DIY bracket is attached to the focuser using 3 M6 x 14mm machine screws and then the ZWO EAF is attached to the bracket with the normal 2 screws that are normally used to attach to the ZWO bracket. The biggest improvement I saw was the changing of the Curve Fitting Strategy and the Backlash The coupling is screwed down tightly on both the EAF and the focus knob. Everything seems fine, but I have a question about the backlash. g. Could someone explain how I would measure this and what I need to enter into the ASIAIR for proper focusing? Thanks! Locked I once wondered why my focusing routine was not working – it turned out, that the gear which sits directly on the EAF's well was not tight enough and caused major backlash. 25 CPC HD EDGE - posted in Experienced Deep Sky Imaging: Hi Folks, I have the ZWO EAF fitted to my Celestron CPC HD EDGE 9. OK. That is the nature of meshed gears. I know you can specify a backlash up to 255 steps. I then reversed the direction and no displacement is measured until the EAF has been asked to move by 32 EAF steps. The coupler fits the shaft of my FSQ-85 perfectly. ZWO EAF Backlash with Lens Equipment Hi, I recently got a Rokinon 135 along with a ZWO EAF for some widefield imaging. Die Steuerung des ZWO EAF kann auf unterschiedlichem Wege erfolgen: Per Hand (ohne Computer): So nicht möglich. Product Description The ZWO EAF is an all metal bodied electronic focus drive system designed for installation across a wide range of Optical Tube Assemblies. rac. The documentation also says that if you set backlash in your imaging software you should leave it at 0 in the ASCOM driver (and I assume the converse is true that if it’s set in the ASCOM driver it can be set to 0 in the imaging software). This is effectively the same as putting in the exact amount and having SC overshoot by that exact amount. I used it initially on a rig that I no longer own but would like to put it back in service on another one now. I dont see a place in NINA where I EAF Focus Backlash IN/OUT? - posted in Beginning Deep Sky Imaging: Im confused by different You Tube videos on setting up ZWO EAF in NINA. [edit2] for manually focusing using the ASIAir App, i think you can Notice that after 80 EAF steps, the EAF has moved quite linearly from 0º to 5º of displacement. I recently installed a ZWO EAF on my AT102ED refractor. Can it be a mechanical or electronic defect of the EAF? It is just that I am more critical than the ZWO people. I use NINA 3. Just a short video, showing how to test the amount of backlash in the ZWO EAF. I am using Probleme mit ZWO EAF. I’ve read online that I need to compensate for the backlash and when I look on the ASIAIR app there is a section for backlash. We've got a couple of clear nights forecast so I'm getting back into imaging. (I believe it will take 99999) and start with a Backlash of 0. Die Steuerung geschieht über den Laptop. Download Table of Next, connect the EAF. 99 of the Hyperbolic R value the curve seems a bit erratic . Backlash of the Sesto is determined by the Page 1 of 2 - zwo eaf says focus succeeded, but it is clearly NOT focused? - posted in Beginning Deep Sky Imaging: My zwo EAF (used with zwo asiair pro) had been working just fine, including last night after I had removed Le plus chiant peut-être c'est le réglage du backlash (le rattrapage quand tu changes de sens). The fine adjustment is set to 10 units and coarse set to 30 units (default settings). Greetings all! I've owned a 1st generation version of this focuser for some time now. I had a modified faceplate machined, so that the EAF does not stick below my dovetail plate: There are other existing problems with I'm between the ZWO EAF (the new ones) and the Pegasus Astro Focus Motor V2 (the one who only have a enthernet port available). astrónomo. I've measured the backlash at ~35 EAF steps. Par airbus340, 18 février 2024 dans Astronomie pratique. 5K, 6K, 18K steps. It Looking at your second pic, it looks like you still have some backlash since the points on the night aren't straight. Then make the autofocus step size large, around 100 and the backlash also 100. ZWO, please add both settings to the ZWO EAF bouncing back? - posted in Experienced Deep Sky Imaging: I ran into a little issue couple of nights ago with my ZWO EAF 5V. atacamastar. com/softwa ZWO EAF focus issue - posted in Beginning Deep Sky Imaging: Hi, Currently, I’m facing issues with focusing using the EAF. One, you have to have a crystal clear idea of backlash and of how to get behind it so you are always pushing focus. Move the Edge HD 11 with ZWO EAF? - posted in Cats & Casses: Has anyone managed to attach the ZWO EAF to the Edge HD 11? ZWO sell the brackets for the Non Edge C11, and I have been told it would not work with the The ZWO EAF has significant backlash. Now, this is most important (to work around backlash from the EAF) -- notice which direction the EAF is moving as temperature goes down. If you have a ZWO EAF (Electronic Automatic Focuser) this video will show you to use the ASIAir App to calculate and calibrate for the backlash of your teles A couple of tips on setting up the backlash settings in Nina for the ZWO EAF - Electronic Auto Focuser I’m struggling to set up the BACKLASH. 25, so similar system. Mais sur un Crayford normalement il y a très peu de backlash contrairement à une crémaillère. Hi, I’m Ian and I live in Surrey in the UK. So, for critical stuff, I do my own V curve, offline, and then direct the Page 1 of 3 - ZWO EAF focuser? - posted in Beginning Deep Sky Imaging: I have been using Bahtinov masks. ZWO EAF belt drive on Redcat 51 - posted in Beginning Deep Sky Imaging: Anyone that has a ZWO EAF belt drive on their Redcat 51 please chime in with your experience. A few thoughts: There is a firmware update for the EAF that ZWO shipped recently. Bonjour, Merci pour ta réponse ! 🙂 . I have spent ages So, it appears that with this EAF, there is about 1. Steps, backlash, etc would be different. Neither will connect when I select and try to connect. But it seems as if a lot of people feel as if you need electronic focusing. Whether I moved a small increment or large under NINA did not seem to ZWO EAF backlash changing over time? [Deep Sky] Acquisition techniques · emmanuel_valin · · 5 · 330 · 0 1. ) Forward: ZWO: EAF (Focuser) – Unboxing, Attachment & Backlash Determination. Its mounted on a Feathertouch. 2µm per EAF step. Focusing with Samyang 135mm/f2. The biggest Backlash : c'est le jeu dans le système de mise au point complet, EAF + PO, en nombre de pas moteur. I had written my own macOS program to compute the V-curve for me, by just entering the star sizes at each step, but it does not take much doing it manually, either -- often faster than the time taken by the "automatic" focus routine in I switched to the ASIAIR and now use the ZWO EAF. Please make sure the shaft is fixed with screw, connected tightly and the payload cannot be over 5Kg. November 2022 #7 Zitat von Optikus: And yes, the backlash of auto focusers with reduction gearboxes (EAF, Focus Cube, etc) is not ideal, but at least the backlash is consistent and can be corrected with software. This works by resetting the current focuser step count, moving the maximum number of steps, and repeating until it's move the desired number of steps. Since it’s getting colder, I can easily see situations now where I’ll be setting up at 50F and the temp will fall to 30F before I’m done and that will affect focus. I had setup up another EAF on a WO Star 71, and it was much easier, and works In looking at the ZWO EAF documentation it appears that the ASCOM driver has a backlash setting in it. The Trying to figure out focusing with ZWO EAF. There are some pictures on the ZWO compatibility chart that Also played with the backlash feature, also did not help. I used a Bhatinov mask and focussed on Betelgeuse as I would normally then pressed the EAF start button Backlash on my ES127mm w/ ASIAIR Plus & ZWO EAF - posted in Refractors : Hello, I am trying to get my backlash figured out with my ES127. Set current position to 60000, tell EAF to goto 0, when it reaches 0, set current position to 60000, tell EAF to goto 0. My two scopes are The ZWO EAF has significant backlash. 7. Installed the software(s) etc. You cannot like this item. j'ai envoyé un mail à ZWO pour avoir des informations je te tiens informé si j'ai un retour bonne soirée Paul Increase in ZWO EAF backlash? Damage? - posted in Beginning Deep Sky Imaging: When I first got my ZWO EAF, I carefully measured the backlash using calipers and determined it to be 35 steps. I had no issues with my EAF until the latest update. The flexible mounting system allows installation across refractors, I then set the overshoot to well over my estimated backlash. Hi, In live stacking mode, it would be great if we had the option to do a EAF Focus, you have to leave to focus again. I used this value for The Official User Forum for ZWO Products EAF Temperature Control? craigg. I worked out the backlash by the method provided by ZWO. Another user has made a suggestion as to how to make the 60,000 count limit more compatible to focusing SCTs by moving the primary mirror. I have the ASIAIR Plus, with the ZWO EAF, and have figured out that my backlash is 1480 steps (which seem like a lot). So, I've just installed the EAF on my ZS73 and went through the backlash measuring process. org Red Social de aficionados a la Astronomía y Observación astronómica Respecto al backlash, yo lo calcularía como indica ZWO, pero no lo usaría en la casilla de compensación, si no que I just installed a ZWO EAF focuser on my scope and see the following and I do not know if it is a bug or not. For more details on the ASI EAF including the mechanism ZWO recommends to workout backlash, see the manual here. KevinR. I had my steps set to 10. Today was the first time I've tried playing with the EAF Backlash setting, and it after i set it, and then focused with the Fast or Slow button, and then checked the Backlash setting once again, it had changed itself to some random number. Reaktion: AstroAlexBoostedt, steins-ursel, Harald. WalterT. Post by sandconp » Sun Oct 03, 2021 9:46 pm. I am using a Celestron 11-inch SCT with a ZWO EAF, configured with fine steps of 50 and coarse steps of 200, and backlash of 90. However, unlike the focal length, ASIAIR will not be able to set the value of the backlash itself. 90 steps. I’ve read other’s posts regarding automatic refocus within SharpCap and so I installed my EAF on my C925 EdgeHD and dared to test it last night using the SharpCap Automatic Refocus tool. Auf der anderen Seite scheinst du mit der Anpassung des Blacklash Just be sure to move the EAF always in one direction (including the final movement) so that the backlash is cancelled out in the EAF stepper motor. I’ve been trying to set the limits on my asi EAF but there is no movement at all, either in or out. Ascom driver brings a properties window that looks just like in the manual, but its missing two options - maxstep and backlash. Den gefundenen Backlash-Betrag mit “Set Backlash” eintragen. Ive since picked up a Celestron 8 Edge HD and the bracket ASIR pro ( v 1. Hola a todos. Cuando el. this is a pretty ZWO EAF is the UK's (probably the world's) most popular Electronic Auto Focuser and the list of compatible focusers has grown too long for this website product page. 4 turns in total. Tengo un problemita con el enfocador de ZWO-EAF Versión PRO (regula el enfoque también en función de la temperatura exterior). Either the slots were too narrow for the screws or the slots were in the wrong place, etc. Electronic Automatic Focuser. if the backlash is 35 what should the Autofocus step size be? Thanks for any help? It now also supports moving a number of steps larger than the normal maximum range of the ZWO EAF using the fields in the group box. There is an issue with the rotator shaft having movement to the front and rear, with some rasa8にもzwo eafを取付けました。取付時幾点か気になる点がありました。1． zwo eafを装着した時の状況1) eafは別利用時の再利用 zwo eafは新規品ではなく、以前別鏡筒で使用していたものの再利用です。その為か初 EAF connection to NINA - posted in Equipment (No astrophotography): I bought an eaf, plugged in into laptop which then said that the device was set up, or whatever. In the expanded window and I can set a max number of steps and also a backlash value. Like × Sorry. Click the Connect Ich suche Erfahrungsberichte zum EAF Motorfokus von ZWO. You cannot remove your like from this item. If I detach the coupling from the telescope focuser, I can move the coupling a few millimeters freely, which I assume is the cause of backlash. Measure the FWHM of stars (or artificial star) at each of this process, recording the EAF step and FWHM at each step. As a result, the V curve from the The Official User Forum for ZWO Products. So in my ZWO EAF case I set my overshoot to 200. Post by RichNH » Sun Dec 01, 2024 11:20 pm. (or too coarse) to compute an accurate V curve. If you look at the far right, the backlash appears to be about 3. But I don't see how the ASIAIR knows how to do this when the mirror is moving with gravity and therefore needs to go past the desired focus setting and come back against gravity. 0 and ZWO EAF focuser. The version of the properties window is ZWO EAF Setup v. Add to basket. Vous avez des soucis de jeux mécanique avec votre robofocus ZWO ou autre. JudyandPat Mitglied. In my driver it was set to a default of 150 which I suspect interfered with the For the difference of price you might still want to go with ZWO knowing its limitation. I am using NINA. That being said the maximum I used to use the Sky-Watcher electric focus motor with a GSO Crayford focuser, otherwise the mirror slop and backlash made it impossible to use with any precision directly coupled to the Mak focus control tube. Steuerung des ZWO EAF. I think you can set the '0' point arbitrarily on the ZWO EAF and it should probably correspond to when your focuser is fully racked in. ZWO ASI Studio software & ASCOM update for EAF:https://astronomy-imaging-camera. I had the Celestron for 1½ years, mostly visual only observations. I just purchased my 9. tsai. On my FSQ-85 focuser, each EAF step represents 4 microns of draw-tube travel. * * * Produits liés Aperçu rapide Référence: ZWEAF-HC. 48), with EAF focuser Ipad Air Pro 11 inch, IOS v 14. ZWO EAF Focuser. The ZWO EAF is an all metal bodied electronic focus drive system designed for installation across a wide range of Optical Tube Assemblies. The INDI control panel exposes data associated with the ZWO EAF Motorfokus System mit 5 V USB Versorgung + Handcontroller und Sensor Der Motorfokus von ZWO erlaubt die präzise motorische Fokussierung Ihres Teleskopes für Astrofotografie und Beobachtung Neu: Stromversorgung oui j'avais lu ce guide pour EAF de ZWO mais c'est si tu utilises l'EAF avec un ordinateur la c'est une utilisation avec l'asiar pro je pense que les réglages sont peut être différents. The flexible mounting system allows installation across refractors, Newtonians, Cassegrain and many other Set the focuser backlash settings 5. With the price you pay to get a Takahashi spot size, you might as well try to focus as well as possible. I have used my EAF on a ZS73 and Skywatcher 200pds. For example 100 might be good but Celestron recommends 500 for their SCTs as the overshoot. Dans l'absolu, l'ASiair n'a pas besoin de connaître le backlash pour faire son autofocus, ça c'est vrai, mais The EAF has a numeric range of 0 to 60,000 because it uses a 16 bit integer. Reason: "ANONYMOUS". 15. Not sure where to set the StepsI have a backlash of right at 100 steps. 2 and after connection when I try to move the EAF outward on the focuser tube it goes out, then stops, then returns to the position it started at. Mes principales questions : On peut lui faire He uses the ZWO EAF as an example and it might be worth checking that out. I was setting it up and struggling in getting a nice curve (backlash of 120 and step Olli, you might be confusing the EAF backlash parameter in ASIAIR with the focal length parameter in ASIAIR. Backlash of the EAF Backlash is already taken care of in v1. 5x1 deg - ZWO ASI294MC Pro). I saw how to calculate the backlash using the hand controller (10 for every point moved). With the telescope roughly in focus before you start, click the run button to start the autofocus Just received my Eaf. I can get the shaft of the motor Question backlash EAF ZWO. 1) you are correct that the backlash value in the Focuser Setting window is not used when ASIAIR runs its autofocus routine. August 2021; Status Es sind keine weiteren Antworten möglich. Full mirror travel on my Evolution is about 45 turns. 81 Tech@ZWO Yes, but the backlash of the EAF will affect the focus. ) that they use when controlling the ZWO EAF with and 8 Inch EdgeHD or C8, more specifically when used with the APT auto-focus tool. Just set it to go to 65000, and go get a cup of coffee. chongo228 Don't forget that backlash can throw your numbers I have also considered the ZWO EAF for both and the Celestron Focus Motor for the 8HD, but seems like most folks recommend the Pegasus over either of these options. Another says you set backlash in BOTH in and out. Helpfu So I finally got around to deciding to try to measure my EAF backlash this evening, and I was expecting it to be somewhere between 60-120 steps. Use your favorite astro capture software and create an AF run and watch the V-curve. 1 I have tried setting up the backlash compensation in the ASIR pro Following the EAF user manual I moved the focuser (rack & pinion on AT92 scope) out 1000 steps. EAF-TV : ZWO EAF bracket for all Televue scopes with black R/P focuser. I've followed ZWO's methodology to measure the backlash - drive the focuser 1000 steps one direction, then use the fine focus adjust buttons to move 10 steps at a time the opposite direction until you see the physical Configuring ZWO EAF on Celestron 8" Edge HD - posted in Beginning Deep Sky Imaging: I previously was using the ZWO EAF on my RedCat51. I bought the EAF in Spring this year but since then, mainly due to the weather and lack of astro darkness I haven't done any imaging. In this video I determined the backlash of my ZWO EAF focuser using the method ZWO recommends. That free play translates into about ZWO EAF Backlash - posted in Equipment (No astrophotography): So, Ive just installed the EAF on my ZS73 and went through the backlash measuring process. @tech@zwo#53015. The backlash does not have anything to do with the focuser. With the telescope roughly in focus before you start, click the run button to start the autofocus ZWO EAF Step size @focus 3 - posted in Equipment (No astrophotography): I am thinking of buying the ZWO EAF and trying out @focus 3 - SkyX To characterize the focuser, the step size in microns is needed. is the only difference between a “standard” focuser and a “high end’ focuser the amount of backlash? Does the accuracy of focus come down to the Hi all I got round to attaching a zwo auto focuser to my Esprit 100 and tried it last night for the second time. : AF Offset Steps = 3 I own the ZWO EAF for my C9. 7º worth of backlash. I'm planning to acquire two of them, to work with a Celestron C8 and a Vixen refractor FL55ss, but I have some questions in the case of the Pegasus Astro V2. 5” FT. 14. and had backlash problems that wouldn't settle-out in the backlash compensation settings. Télécommande pour moteur ZWO EAF Equip the 2" MONORAIL focuser from TS-Optics with the ZWO EAF View and Download ZWO EAF detailed installation and operations manual online. Description In the box Details Reviews (0) William Optics RedCat V2 is an alternative to the widefield lens shooting with 250mm of focal length. One says you only set backlash in either in or out and leave the other at 0. Ive got it set up generically but my focus curves dont look at all ideal I have a problem with eaf backlash setting, the fine adjustment moves the focusser by the amount I set for the backlash. und 2 weitere. I fixed it using the Takahashi bracket. The payload is an ASI1600 and EFW -- total weight under 5kg. I also want to set the backlash steps. I have set the steps within the focusser page in the app as 10, 200 and 6000 with the backlash at 0. Er kann einfach an die meisten auf dem Markt erhältlichen Select "ZWO-EAF-BRK-TAK" in the drop down menu. It was great. × Sorry. Being the first time, I got somewhat confusing and discouraging results. Bon, cela rassure un peu, ceci dit, j'ai lancé pas mal de MAP avec des valeurs différentes en step size et backlash, car au départ j'avais une courbe plate, mais il s'est avéré qu'un ZWO EAF, where is the backlash setting? - posted in Equipment (No astrophotography): I just installed ZWO EAF, but I cant find the backlash setting anywhere. This is on an esprit 150. 44 microns per EAF step (no kidding). ----- Easiest way to find the correct backlash with ZWO EAF on a William Optics 132 - posted in Equipment (No astrophotography): I have my entire system ready to go outside for the first time tonight, if the wind dies down. C'est à dire le nombre de pas avant qu'il y ait un mouvement à l'inversion de sens (IN/OUT ou OUT/IN). I could say the same about Backlash of the Black-CAT Mount gears is minuscule compared to the backlash of the EAF gear box . The aluminum housing is thick and solid and it shows no movement. 4. In this video I explain how I attached and calibrated the ZWO Electronic Automatic Focuser on to my Sky-Watcher E EAF, der elektronische, automatische Fokussierer von ZWO. 25 with HyperStar. For other limitations of the EAF that ZWO does not document (linearity and backlash), see my earlier posting here ZWO EAF backlash setting in driver - posted in Equipment (No astrophotography): I just noticed that in the EAF driver settings there is an advanced box and if I check it then it expands the window. I performed the collimation using the donut method, All focusers are going to have some backlash, the Gemini Automatic Star Focuser had about 400 steps of backlash compared to around 35 steps in the ZWO EAF. I then moved IN by 10 step increments until the fine focus knob finally moved (after 30 steps in) ZWO EAF Motorfokus System mit 5 V Stromversorgung über USB Der Motorfokus von ZWO erlaubt die präzise motorische Fokussierung Ihres Teleskopes für Astrofotografie und Beobachtung Neu: Stromversorgung über USB - funktioniert auch über Computer oder ASIAIR Kann problemlos bis zu 5 kg bewegen ASCOM, Den Backlash bzw die Schrittgröße muss The ZWO EAF was in stock, shipped quick, and arrived safely. https://www. Then I decided to test it using a visual marker standing next to the micro focus This is the second video on using an automatic focuser. Trying to figure out my ZWO EAF and NINA. The mount includes precise gears that allows the EAF to control the focus of the scope. Many/most acquisition apps (I use APT) I'm not really sure what I'm doing with regards the ZWO EAF I have. The advice from Pas tant de backlash comme souvent dit sur cet eaf. With a step size too Pop one of the originals out at a time and put in the ZWO screw before removing the second one just to keep everything lined up although it shouldn’t move. rinse & repeat. I checked the ZWO EAF PDF instructions, and it shows how to measure it, but not how to correct it. The EAF dutifully moves to the max point and stops. Of course if I am manually doing focus I can go past and come back (if I need to turn the knob clockwise WO RedCat II (v2) ZWO ASIAIR + EAF kit quantity. Viz. You can set backlash compensation in the software My EAF has a measure backlash of around 115 steps. After that the ASIAIR again set the EAF to a high step count, and sweep downwards to the target EAF step location. My measured backlash on the ZS73 was approx 50 and on the 200pds it is 130. ZWO EAF on SCT question - posted in Cats & Casses: For an SCT, lets say an 8 EdgeHD, what difference would it make if it has a stock focuser, or a feathertouch focuser? If I were to install a ZWO EAF focuser. , notice that ASIAIR always starts way on the right and moving in from right to left. mode Si ton backlash n'est pas réglé, alors il est impossible de retomber sur la valeur exacte puisque l'EAF aura glissé. Hey, I'm going to probably sound like a 5 year old but here goes. Thanks, Rodney. My focus scale is 4. For my setup it’s 7 presses of the fine button (70 units) so I set backlash to 70. No, not if you always establish the reference EAF step position each time before moving by the target offset. This is a problem with some camera lenses with an infinity ZWO EAF Bracket for Celestron C8/C9. I am using ASIAir plus as you can see in the pictures below. If you have a ZWO EAF (Electronic Automatic Focuser) this video will show you to use the ASIAir App to calculate and calibrate for the backlash of your teles Does the ASIAIR calculate EAF backlash during the autofocus routine? Or do you need to enter a backlash number? If you enter an incorrect backlash, will it affect the autofocus? I was doing a visual check of the backlash of a ZWO EAF connected to a 3. 7 (8. When I activate the focuser with the Coarse clicks the Backlash is applied but when I apply the steps in Fine I do not see that the Backlash compensation is applied. 75 units, or about 30 EAF steps (1. Since many of you have the ASKAR FRA500, ZWO Viel Spass mit dem ZWO EAF! Servus - MünchenBeiNacht - Ewald . Using Dales design as the supporting system: There are some parts still on the way (FLO needs to send me a replacement for the M48 plate for the lens). For example, if you start autofocusing with a high EAF position, move it down by an amount larger than the worse case backlash. I set the fine steps to 5 and then started clicking until the focuser moved. So far no luck . The backlash in both focusers can be easily However it's thrown into light what I think is the real underlying problem with the EAF at the moment - the backlash is HUGE. Back to top #6 The Official User Forum for ZWO Products EAF on SCT - Another suggestion. I just checked mine and the fine focus knob on my Zenithstar Z61 moved at 30. Dieser Motor ermöglicht eine präzise, dynamische Fokussteuerung für Planeten- und Deep-Sky Astrofotografie. With the helical focuser, It will be slow, since the ZWO EAF shaft does not rotate very fast, about one revolution per 15 seconds, perhaps. 7 Focal Reducer? Two ZWO EAF focusers within NINA - posted in Equipment (No astrophotography): I have a refractor setup with an EAF that works great. When NOT under load, the spindle has about ¼” free play. I set the backlash to 0 in the ASI app and moved forward by 200 steps, and then I started going backwards in increments of 10, but the focus dial at the other side immediately moved. Set up has been easy including calibration and 4x 8mm countersunk M3 bolts (for attaching ZWO EAF bracket to the trolley) 1x 8mm M3 countersunk bolt (for attaching trolley rods lid) 2x 30mm M3 bolt (for attaching MXL ring arm) 2x 8mm M4 bolt with washer (for Wie auch hier die Aussage vom ZWO Support Team: EAF backlash - ZWO User Forum Ich selbst musste trotz vorhandenen Backlash nie etwas eingeben, und der Autofokus hat immer funktioniert, was aus meiner Sicht die Aussage des selbstermittelnden Backlash im AF-Prozedere unterstreicht. So, does this mean that the EAF ASCOM driver does not support temperature compensation The Official User Forum for ZWO Products ASI Air (EAF) chaosnix68. I just got a ZWO EAF, so I am a complete novice in the area of autofocusing. 25 SCT and mounted a ZWO EAF on it but haven't had a chance to set it up yet so the results will vary with that telescope I'm sure. Kurz zu meiner Ausrüstung: TS RC 8, dazu einen Reducer (CCD 47), AZ EQ6 pro, eine ASI 294MC Hauptcam, eine ASI 120mm als Guidecam und seit Kurzem So oft klicken, bis sich das Fokusrädchen sichtbar bewegt. Devant une telle réussite je me suis dit, Just purchased the ZWO EAF auto focuser. I got this amount by moving the focuser out until the fine focuser moved. This means the backlash is very low and any backlash is likely from the EAF itself. Also, as promised, the field is nice and flat with lovely round stars right into the corners of the fov (~1. Some, but not all, autofocus mechanisms rely on the backlash being setup. EAF accessories pdf manual download. Découvrez comment régler ce souci informatiquement. 0 and EAF - posted in Beginning Deep Sky Imaging: Folks, I am setting up my ultra wide-field system with Samyang 135mm/f2. I set the Absolute Position value to Donc si vous utilisez un moteur ZWO EAF avec NINA (ou autre), quels sont les "+", et les "-" ? j'ai vu qu'il était plein de backlash, mais à priori c'est gérable de manière logicielle. I currently have a 8 inch EdgeHD with ZWO EAF Settings? - posted in Cats & Casses: I was wondering if anyone could share their good working settings (steps, backlash etc. Wie genau arbeitet er? Wie groß ist der Backlash? Kann man den Backlash kompensieren mittels Software? Gibt es irgendwelche Software/Treiber Probleme? Kurzum, arbeitet er zuverlässig? Ich überlege den EAF an meinen Epsi zu montieren. Trying to get NINA AF or HF to work with my ZWO EAF on my EVO 9. I set up backlash and zeroed the focusing tube to the fully retracted position. Backlash is the number of steps the EAF has to move for the gears to engage when changing focus direction. All good. All Black-CAT Mount parts are made of wear resistant ASA plastic and the mount has been tested to work in cold ZWO EAF on a Skywatcher 72 ED - posted in Equipment (No astrophotography): Has anyone installed a ZWO EAF onto a Skywatcher 72 ED? I tried it and the bracket did not fit. I am considering this set up for imaging. Marque: ZWO. EAF backlash in NINA - posted in Beginning Deep Sky Imaging: I have been looking at my focus runs and although most seem to get to about . ZWO EAF Backlash? - posted in Equipment (No astrophotography): Hi, I just got an ZWO EAF and it has a backlash of a full 60 steps!! Is this normal? The Moonlite and Perfect Star steppers that I have on a different focusers has zero backlash. You should get a well-shaped Vee curve. 5760 steps per revolution. When I installed the ZWO EAF on a newly acquired belt driven Askar ACL200, the focus plane moves only by 0. 200 seems high but plausible? You could enter What is the best way to measure eaf backlash while using asiair plus? If you have a spring loaded micrometer, you can mount it temporarily on the OTA to detect changes in the drawtube; this is what I use: How do I determine the backlash settings needed for my EAF? I generally keep it simple. But, when I command it 2600MC Pro, Fra500, ZWO EAF and EFW - posted in Beginning Deep Sky Imaging: Hello, I’ve tried searching around and haven’t found anything specifically covering this. I now have the EAF. Call this reference count N, and moving the count downwards monotonically, . Keeping the coarse movement to 100 EAF units per step, but this time settting Backlash to 25 EAF units, I see the following after initially clearing backlash: (Note: from the above link, my original measuremments of a different EAF produce 32 EAF units of backlash. From what I understand once you measure it and entered the value into the EAF menu it will be taken into account anytime you make an adjustment. The 'scope is out now shooting at M20. You can test this out. Which is correct? The Official User Forum for ZWO Products EAF, RASA 8, The SkyX professional Then slowly move the EAF in the direction of focus (never reverse direction, since backlash will invalidate your data). When I had issues, updating it was the first thing ZWO tech had me do. Id like to add another ZWO EAF focuser to an RC but Im wonder if there might be any issue with a NINA profile confusing the two. That is not the issue. However, this requires that you determine your backlash of the EAF and enter it in ZWO EAF Settings on Redcat51 with ASI533MC - posted in Beginning Deep Sky Imaging: Last night was another foray into what settings do I need to dial in this time, specifically to get the ZWO EAF working on my The ASIAIR first drives the EAF to a high step count, and sweep the count downwards. The focuser is new, the newer 5V one. The backlash still exists, it just cancels itself out Page 1 of 2 - Primaluce Sesto Vs ZWO EAF focuser motor - posted in Equipment (No astrophotography): Looking at 2 motors that would work on the 2 feathertouch. 25 with a 0. But at least you now have a set of ∆ that you can reset the EAF to when changing filters, and not need to waste time refocusing (make sure to apply the countermeasures for the backlash -- I usually reference all EAF values by first Hello again. I have double checked and made sure all the connections to the coupling are tight, so the backlash must be coming from the stepper motor itself. airbus340 3 691 airbus340 3 691 Blaireau des comètes; Membre; 3 691 2 655 messages ; Posté(e) 18 février The folks at OPT where I purchased the EAF are willing to replace the EAF if ZWO considers this amount of backlash to be a defect covered b the warranty -please respond -- Thank you! katherine. It took 22 clicks, so a backlash value of 110. My critical focus region is somewhere between 8 to 14 EAF steps, so I had been setting my Slow steps to 10 Page 1 of 9 - Beware of ZWO EAF on SCT - posted in Cats & Casses: Hello all, After a long back order I finally got my new EAF with hand controller and the new SCT bracket to use on my C8. I was wondering if there is a automatic focuser routine in Sharpcap Pro and can I tell Sharpcap Pro to perform a automatic focus between subs? Top. Because of backlash, most of the autofocus programs I know first moves the drawtube in one direction away from the focus point and then step the focuser I could fit only 2 screws into the base of the focuser, but that is quite enough for a rigid mounting. There are 5,760 counts per turn (revolution) which is 10. 25 , cant find anywhere on Google or Youtube ZWO EAF on my Tele Vue 127is - Success! - posted in Equipment (No astrophotography): Successfully mounted a ZWO EAF on my TeleVue 127is using - ZWO Takahashi scope bracket GT20 sprocket 240mm drive belt. This can be worked out and set. Das mitgelieferte Zubehör sorgt für eine schnelle Which is easier to use with the ZWO EAF? NINA AF or HF and why? - posted in Beginning Deep Sky Imaging: Hi guys. 5, as I noted above. I could even feel the shaft backlash when trying to turn the shaft back and forth with my fingers. I can set the 0 point, and max at just about anywhere. When I change directions it seems like the backlash is around 130 steps. Skipper_H Aktives Mitglied. Messages recommandés. Lets say the EAF count goes down as temperature goes ZWO EAF settings for Celestron 8se - posted in Cats & Casses: Did some initial testing of the ZWO EAF last night on my Celestron 8se and heres what I found: Celestron focuser range: 43 revolutions 1 revolution = 5000 Enfocar bien es algo que no siempre conseguimos cuando queremos hacer astrofotografía, y si usamos filtros o estamos varias horas y la temperatura varía, afecta al equipo y al enfoque y hay que irlo verificarlo, para simplificar ese The Official User Forum for ZWO Products EAF Issues after update. Sign In Upload. Das flexible Montagesystem ermöglicht die Installation von Refraktoren, Newtonianern, Cassegrain-Teleskopen und vielen anderen Teleskopen. EAF-TV-Classic : ZWO EAF bracket for Televue scopes older than #Astrobloke #Glenn Clouder #astrophotography #astronomy Astrophotography with Glenn Clouder - ZWO EAF Installation on a refractorInstallation of ZWO EAF onto Like all mechanical gear based mechanisms, there is backlash in the ASI EAF. Just wondering which is easier to use? NINA AF or HF and why? Which one should I stick with? I have the following settings. fddhcw yfld xnzphf pdndjj ehi tszpmu cppmkao txzsc ibl ndfj