Zwo oag backfocus. Im wondering about back focus with the Edge HD 9.
Zwo oag backfocus The aperture is simply too small for the sensor, and that leads to aperture vignetting, and causes the shape of stars to The Official User Forum for ZWO Products Help determining backfocus for ASI533mm with Askar FRA400 and filter wheel - posted in Beginning Deep Sky Imaging: I’m setting up my new ASI533mm pro on my Askar FRA400 and a ZWO EFW-8 filter wheel, and not Please note: In its product name, ZWO confusingly implies this adapter provides 20mm of backfocus. Will someone be able to confirm if I can do the following set up with the CAA; Telescope->EFW->CAA->OAG->ASI2600MC the reason is, interference of the EFW with the pier and that is why the set up behind the EFW will be able to rotate, Is this possible? Is there any recommendation? All Edgehd 11 Backfocus with Celestron OAG and ZWO EFW - posted in Experienced Deep Sky Imaging: Hello Everyone! Need some help and guidance from anyone who may have a similar setup with regards to extension tubes and adapters to reach the ideal back focus of 146mm with my Celestron Edgehd 11. Sadly the non-L variant was discontinued, you may find some leftover stock through some If you want to use the OAG-L without filter wheel, the adapter ZWO-D70-M54F must be used to connect the off-axis guider to the camera and achieve 55 mm backfocus. With my Celestron C6, and using an Antares 0. 7mm between the rear shoulder of the M48 thread on the M54-M48 ZWO ASI 533 Back Focus & Filters - posted in Beginning Deep Sky Imaging: Hello! I have a William Optics Zenithstar 61 II with the FLAT61. You just substitute the DSLR/T-ring for your 2600/adapters. 5. Fully ZWO OAG Compatibility. I'll pair the You use this to factor into the overall backfocus amount required from say a flattener. 5mm. So, the good 3mm thick filters will increase the need of backfocus by 1mm -- removing the glass means that you also need to remove But ZWO sells a few different sized adapters that fit here and give you proper backfocus. 5 mm the OAG will take up, if back focus distance is critical 2. Also, I am mounting the OAG directly to the EFW but it seems that the OAG 1. 5mm(OAG) + 21mm + 11mm + 6. For cooled The Official User Forum for ZWO Products. I am truly at my wit’s end. Insert the prism back into the OAG body. What ZWO is suggesting you is using the older non-L variant of the OAG, that one had no tilt plate and used M68 threads on the telescope side. Connect the main imaging camera and the guide camera. Things like this are why people generally make thinner OAGs. ADC 2017-05. AM3 2023-10. 75 Male"-adapter The construct from adapter inner flange (telescope facing) to flange ZWO camera Hi First time trying to use an OAG. I have If you obtained the ZWO OAG (16. Backfocus spacing is supposed to be 55mm, but Page 1 of 2 - Best focusing OAG? - posted in Experienced Deep Sky Imaging: Does anyone know of a focusing OAG that has a robust fine focus? I have tried the QHY and ZWO. Camera sensors do not care. My camera - Asi294 Mc - is set up with the correct t adapter Focussing the Zwo OAG with asi 220mm mini - posted in Beginning Deep Sky Imaging: I know that this question has been asked tons of times but none of the solutions are working for me. ASI Mount. I truly would appreciate thoughts! Back to top #2 klangwolke klangwolke. I have an issue how to properly connect my equipment and achieve 105 mm backfocus distance which is required for Celestron EDGE HD 8 Recently I purchased new OAG-L and want to Backfocus for a C6, no reducer and a ZWO - posted in Equipment (No astrophotography): Hello all, First time poster, here. I decided to check I like my Celestron OAG and 174 guide camera. The ASI2600MC/MM Duo combines imaging and guiding sensors in one compact body. 25 SCT with a . different adapter pieces to get the backfocus distance right 6. ZWO OAG's are sized to match with ZWO cooled cameras so that with the included spacers you can get to 55mm of back focus which is a standard distance. katherine. Last night was my first light with the telescope, and unfortunately Im really struggling to figure out focus in the new setup. The telescope or reducer documentation will state your specific distance. I hope it is good enough for guide stars. If the OAG-L is used without a filter wheel, The Official User Forum for ZWO Products However, if you are using a reducer or flattener, your backfocus spacer needs to be retuned. My imaging camera is a ZWO 1600 with a 7 position filter wheel. I am hoping for some assistance and I hope this is an appropriate group for this Page 1 of 2 - Backspacing using ZWO OAG to ZWO FW to ZWO 1600 - posted in Beginning Deep Sky Imaging: I recently purchase a 8 EDGE-HD with . AM5N Quick Guide 2024-06. ZWO ASI2600MM - Backfocus distance - posted in Experienced Deep Sky Imaging: Anyone using ASI2600MM with 7x2 filter wheel? I have the following setup: ES CF115mm (native 632mm FL @ f/5. Large prism: 8*8mm 3. Can you focus visually using an eyepiece? If so, try to focus visually on something in the daytime. Cleaning The camera comes with an AR protect window, which can protect the sensor Edge HD 8" + OAG Backfocus (without a Moonlite) - posted in Equipment (No astrophotography): I know this has gotten a lot of press lately, but one last time before I pull the trigger This is what is in my cart: Celestron Edge ZWO OAG - posted in Beginning Deep Sky Imaging: Here I go with what may be a dumb question but Im new to this and doing as much research as possible before committing dollars. NEW from ZWO Thin Off Axis Guider that allows you to Autoguide in SCTs and Refractors whilst only adding 16. 5mm) 4. One thing that caught my eye is that when using the filter wheel (with or without OAG) on a small format sensor it actually sets ZWO’s guide cameras are impressive for their small size and portability. But please note that the OAG will block the sensor in a bit if the thread of the end side of your telescope is M42. from ZWO not only suitable for DSO imaging but also planetary imaging. Im trying to connect a ZWO 178mc to a Celestron C6 without a reducer. e. 3 reducer. 5mm = 57mm. If you want to use the OAG-L without filter wheel, the adapter ZWO-D70-M54F must be used to connect the off-axis guider to the camera and achieve 55 mm backfocus. In the mix is the OAG. 9". Still others here on CN say backfocus should be 6. I have since moved on to a ZWO 585 camera recently and have tried to follow the 105mm advice. Spr1457. Remove the ZWO OAG Can't Focus Guide Camera - posted in Beginning Deep Sky Imaging: Hey guys, I know, another ZWO OAG post, but Im not sure what my problem is. I want to use the OAG with a Lodestar X2 camera (backfocus 12. Lightweight, 16. Tech@ZWO. For informational purposes only (since I shoot with a 294MM Pro) here are my two image trains (both with and without So, 50mm +16. 1 External View Heat Sink USB2. For a ZWO-OAG Off Axis Guider. 25" EFW using an M54 to M42 adapter but without an OAG in between the two and whatever spacer that I would have needed to achieve the right josefran I have the sky-watcher mak 150, the oag ZWO and the 178 mm. Here are the steps to show you how to connect OAG with ASI071MC-Pro and your scope. 25" mounting ring and EFW bang into each other. Is their a sticky explaining how you get the recommended back ZWO OAG focus issue - posted in Beginning Deep Sky Imaging: Brand new to off axis guiding. 7x reducer. S crew the T2 or M48 adaper on the imaging camera according to your mount type. Getting to know your camera 5. 8x FR/FR. 5mm of spacing required. if the flattener requires 55mm (in my case) you'd use a 21mm extension, a 16. This worked well. I started my astrophotography journey with a DSLR and a 55mm back focus distance. Improve your focusing accuracy and image quality today. My main camera focuses at 39mm on the drawtube, but the 1. I'm strugling having the OAG guide camera (ASI 120 mini) in focus I searched the web and it seems that the 120mini is far Page 1 of 2 - ZWO ASI120mm mini vs ASI290mm mini for OAG - sensitivity - posted in Beginning Deep Sky Imaging: In another thread regarding OAG performance, it was stated that ASI120mm mini is not sensitive enough Askar OAG vs ZWO Large OAG - posted in Beginning Deep Sky Imaging: Im looking for some opinions on these two OAGs. The excellent performance and multifunctional usage will impress you a lot! Here is an example of the whole setup including an OAG and guider camera. Note that this adapter has an optical path length of 15mm. My preferred way of guiding would be with an OAG to avoid flexture. 7x reducer and Sky-Watcher Explorer 190MN DS-PRO + Celestron Off-Axis-Guider Deluxe + ZWO Camera ASI 294 MC Pro Color - Backfocus - posted in Beginning Deep Sky The Official User Forum for ZWO Products ZWO OAG with LX200, ASI224, ASI120 Setup and Focus ZWO OAG with LX200, ASI224, ASI120 Setup and Focus. I want to use this scope with and without the Get the backfocus for the Meade reducer, and figure out if you can position the Celestron OAG between reducer and camera (using spacers) and have the distance from main camera sensor to rear of reducer be equal to the backfocus. The Place the main camera chip (check the manual for its backfocus) roughly that far back from the prism (center) of the OAG. I have a ZWO OAG Backfocus - posted in Beginning Deep Sky Imaging: Hey everyone, happy Friday! I currently have a Canon t3i mounted to a Nexstar 8i with Celestrons f/6. What is the correct back focus for a ASI 2600 Duo on a Celestron. Celestron says the scope backfocus is 5, and if I hold the camera back from the scope at about 5, it does focus. It also allows you to add a 2” filter into the For any OTA that requires a 55mm back focus, and there is a ZWO filter wheel or filter drawer (which presumably has a glass filter, you need to add N mm to the back focus where N is 1/3 How to reach the 55mm back focus distance? What accessories I need and can I add the original OAG or OAG-L into my imaging train? To get all of the answers of these questions, you need to read this instruction. I am using a Celestron OAG which has some nice ZWO CAA set up. This setup has Esprit 100ed w/55mm backfocus, QHY OAG, ZWO 2” filter drawer, qhy268c. I'll be using it with a ZWO ASI183MC, no filter wheel. So far Ive been able to achieve good focus on my imaging camera, but for some reason I cannot get a good focus on my OAG camera. How do I get the required 56mm back focus (55mm plus 1mm for the filter) with this setup? So far I have: telescope side - T2-M48 (16. Unfortunately, I didnt check the size of the pick off mirror in The Official User Forum for ZWO Products Celestron EDGEHD 8" connection with OAG-L and ASI 533MC PRO Camera with OAG-L and ASI 533MC PRO Camera. Mount RedCat51 and Celestron OAG Backfocus - posted in Beginning Deep Sky Imaging: I received my Redcat 51 Gen3 today and have gleefully been setting things up. 17. Ranger 4. TomRad. 63 focal reducer. This consumes 20 mm of back focus. Mount the guide ASI1600MM, ZWO EFW, ZWO OAG. This adds up to 54mm. My setup consists of an Edge HD 8 with a 0. Yes, the 0. wikipedia_focal_distance I've used the ZWO OAG in front of my Sony mirrorless with a "T-minus" adapter, but my mirrorless only eats up 18mm of backfocus so it leaves me enough room in front to do this. Yes serious vignetting of the guide camera yet the increase performance of the 174 is a good thing. A fraction of mm on the helical focuser will change the focus on my FSQ-106. Instead of using the 20mm ZWO EFW, you can directly connect the adapter to OAG-L with the addition of 5mm sensor tilt adapter to ZWO CAA use with OAG and filter - posted in Experienced Deep Sky Imaging: Hi all, I really would like to get the CAA but I currently use an OAG and a filter drawer. Read The only thing I dis the OAG-L/ZWO on is that the prism shaft grub lock screw is behind the tilt plate and thus inaccessible unless you dismount everything, make the adjustment, and reassemble and iterate the focus test. The setup is attached here: Does the attached diagram make sense from a functional standpoint? I am C8 Edge – 0,7 FR - T Adapter – ZWO OAG – ZWO EFW – ASI1633 MM pro The backfocus is OK for the 1600MM Pro. The ZWO OAG-L is not compatible with ZWO's M42 Filter Drawer, meaning it is not usually practical for most astrophotographers using smaller sensor cameras. 63 focal reducer the focal length should go from 1500mm to 945mm on paper, b Product Description The ZWO M54 adapter is an adapter designed specifically for ASI cooled cameras. This way I could achieve focus on both cameras, however the vignetting is still present even when trying The Official User Forum for ZWO Products Getting Focus with OAG ebf306. That makes it hard to achieve focus with the OAG. And that once the main camera is focused, that the helical focuser can then be used to touch up as needed, The ZWO OAG coupled to a ZWO helical focuser using a The Official User Forum for ZWO Products Using OAG-L with ASI1600 MM PRO. It seems that you need a spacer here. Backfocus 62 mm from sensor to OAG inclusive (ZWO specs show 55mm optimal) Backfocus from telescope end to camera sensor 139mm (Celestron specs call for 133mm) ZWO setup guide shows an 11mm ring You can change the T2-M48 16. if I'm not mistaken the QHY OAG requires the cylindric type of camera like the ZWO 120 which you can stick deep into the OAG. Be sure to The ZWO OAG L that OP has is only 17,5mm. 4. That reducer is often used in conjunction with the Celestron T-adapter ("T-adapter-SC") like the one shown here to match the reducer's "SCT thread" (2 inch, 24 threads per inch) to a T2-thread (42mm x 0. Guide camera is the ZWO 290 mini. Using artificial stars (a small flashlight on a shelf) ZWO OAG with helical focuser - posted in Beginning Deep Sky Imaging: I am having issues with the ZWO OAG with their helical focuser. Im currently using a Celestron SSAG with an OAG, but Im thinking of switching to a dedicated off-axis guider. g. 2. Posts: 320; Joined: 24 Dec Get the Celestron OAG. Read Online. 5mm) - EFW (20mm) - ASI (17. Gday Looking at buying a 2600mono camera and EFW 36mm. I have been imaging with a Nikon D5500 with a T-mount adapter. I'm having a problem getting the 1600MM and the 120MM to focus together. Features a precision 8mm x 8mm prism, it comes complete with M48 and T2 adapters to the scope and M42 and M48 adapters to camera to keep back focus to a minimum, a 5mm spacer for guide The ZWO Off-Axis Guider (OAG) makes autoguiding Schmidt-Cassegrain & Refractor Telescopes so much easier. . With OAG-L and 2” filter: If you have an OAG-L, but do not have a filter wheel They consume much less spacing (backfocus). 0 IN Cooler power supply 5. My telescope is the Williams Optics GT81. Screw ZWO OAG-L with Smaller Format Cameras. 55mm was just a typical backfocus distance many flattener/reducer manufacturers try to standardize on a lot still do use 55mm but many do not. M ount the guide camera. 5mm) EFW (20mm) Ring (2mm) Spacer (11mm) OAG (16,5mm) The same total of 56mm I like the ZWO OAG but the Celestron part is good as well. This new ZWO OAG-L is for use with ZWO APS-C (ASI2600) or full frame (ASI6200/2400) cameras and For guiding, the OAG-L can only be used with ASI Mini cameras such as the ASI174MM Mini, the ASI290MM Mini and the ASI120MM Mini. It just takes up more back focus. No guide scope required! 4. 5) + TSRED379 + As the previous poster stated, the issue is backfocus. 75 With ASI's smaller OAG I can do it by loosing the screw bolt to move the prism. There shouldn't be any issues getting the right backfocus with the ZWO OAG L - but it will be more fiddly than with the Celestron as you may have to source some adapters or make life easier and get some custom made ones. I only needed to add a 2mm spacer in the train. The OAG-L has a much larger prism than the ZWO Hi. tsai. Cameras do not govern or have anything to I'm attaching the ASI6200 + EFW + OAG & ASI120 to my Meade 12" ACF LX850. 5 mm, leaving 48. 5*2. A glass filter increases the mechanical focus by 1/3 of the glass thickness. Attaching 175 to OAG 'base plate' works for me and ZWO ASI GT Camera Quick Guide 2025-01. Take off the guider prism part from the OAG and attach the OAG body to the telescope. It comes with ZWO OAG focus issue - posted in Beginning Deep Sky Imaging: I have a ZWO AM5, SV 90T, SV . 25 NEW ZWO OAG-L Off Axis Guider with larger 12mm x 12mm prism. , if your OTA manufacturer tells you the backfocus from the metal back needs to The Official User Forum for ZWO Products. ZWO has the advantage that ZWO imaging ZWO EFW (20mm) 12mm Spacer Make sure that the spacers are correct for the 58mm of backfocus of course. EFW Software Manuals Windows 2017-02. The back focus is 55 mm from the reducer shoulder, and the flange focal distance of the camera is 6. ZWO 7x2" filter wheel (20mm) 3. The main sensor is the Sony IMX571 coming with a native 16-bit ADC,14stops dynamic range, and ZWO M68 Large Off-Axis Guider for ASI Mini Cameras VS the Celestron OAG. The OAG chews a lot of backfocus, my TS 130 F7 and, Atik 460 or ZWO 183 handle it easily. I chose the ZWO OAG because while the prism is smaller, the Celestron one makes backfocus a bit of a chore with the setup I was looking for. My conclusion is that my backfocus 2. The camera side of the filter drawer provides an integrated M54 Male / M48 How to connect OAG with your camera. So this combo has worked ok until I added the ZWO helical focuser. bodon. How would a person go about figuring out what the recommended back focus is. Especially ASI220MM Mini and ASI290MM Mini, these two cameras that have been loved by many enthusiasts since their launch. AymenAissa I now mounted the full setup on the Askar 400 (Backfocus not required) to test the OAG and added an extra spacer (16mm) between the main camera and the EFW to give the guiding camera extra room for movement. It allows for 360 degree rotation of the prism to find a guide star, where the ZWO does not. You’re right that there isn’t room for anything else though. ZWO recommends a backfocus of 55mm, but I am not sure that applies to this telescope. First with a separate guide scope, a ZWO 60/280 and an ASI120MM mini guide I'm using a ZWO OAG and an ASI290 mini as my guide camera along with an ASI294mc for the imaging camera on a C9. 5mm into the original OAG. Page 2 of 3 - C8 with f/6. 8x reducer, filterwheel, and either my ATIK 460EX or ZWO Page 1 of 2 - No Stars Using ZWO OAG - posted in Beginning Deep Sky Imaging: Just set up my new ASI2600mm Pro kit which includes the M68 OAG and 7 position 36mm filter wheel. I get a lot of questions about this. The tube ZWO supplies leaves a wide gap, Celestron EdgeHD 8" reaching back focus with the Celestron OAG - posted in Cats & Casses: For some time now, I am using an EdgeHD 800. Problem is that cannot seem to get into focus on both Much better going tonight! Used a tiled roof and managed to get the guide camera (ASI 120MM) in (rough) focus at the same time as the (slow, tiny) Atik16ic with the ZWO OAG. EAF 2021-07. 1. The trick is that you need to do the work from the telescope-side opening Backfocus and OAG help! By nakis87 January 7, 2021 in Imaging - Tips, Tricks and Techniques. My previous setup was a DSLR, ASIAir Pro, GT81, ZWO 120mm mini guide camera mounted to the 30mm mini scope. The bigger clear aperture brings wider field of view in guiding. AMC HelpDoc 2023-01. So if you already own a guide camera you may want to check first wether it fits to the OAG before you buy one. Set the OAG up last night according to the pictures ZWO provides. Hi All. Im not using an ZWO backfocus question - posted in Equipment (No astrophotography): I was reading https://astronomy-imtions-55mm. C8 SCT? How many mm is the camera itself? Thanks newbie here. Sorry to disturb you as this is an old post ZWO ASI294MM Pro (6mm distance from front to sensor) 2. 3 reducer, T ring and T adapter. To the above image train I will also need to add an OAG to M48 adapter. E. Note, I don’t have an observatory, so I typically setup in a dark sky area for 2-4 days before ZWO OAG, 120MM and SCT: will I be able to reach focus? - posted in Beginning Deep Sky Imaging: I have an SCT and want to image with it. Violetblue. Take off the guider prism part and attach OAG body to the telescope. It also includes the required spacers you'll need to get the correct backfocus. As per ZWO chart. i. ASIStudio. Using 36mm EFW: This solution can be divided Remember that your Optolong filter glass is 2mm thick, so for backfocus purposes, you also need to add 0. 1 DC socket The Official User Forum for ZWO Products Back focus with EFW 36mm. Then of course fitting the camera. I image using an ASI224 colour. This would increase the back focus further. I own both the ZWO and Celestron, and you want the Celestron. Back Focus Spacing issues with ZWO Cameras - posted in Experienced Deep Sky Imaging: Not sure if this is the right place to post this but Im having some problems working out the best way to attach ZWO ASI Cameras, specifically 183MM Pro and 183MC Pro to my Astrotech AT72EDII with the AT 0. I have a ZWO ASI 1600MM, a ZWO ASI120MM (which I want to use for guiding) and a ZWO OAG. I nsert the prism part into the OAG body. 25 with a Celestron 0. First time setting up an OAG. 5mm) and used the 11mm spacer that came with the camera, and the 1mm T2-T2 adapter that came with the wheel, you would be at 55mm. 3. Share Guide camera: ZWO ASI224mc paired with the ZWO OAG. 0 or USB2. Help w OAG: ZWO vs Celestron - posted in Beginning Deep Sky Imaging: Here’s are the items I currently have for my imaging setup. LeBelAlbert. My image train looks like this: C8-reducer-SCTtoT2 adapter-ZWO OAG- M48 to T2 (I think about 25mm)- spacer 20mm- Nikon D7500. I am under Need infos for ZWO FF65 back focus - posted in ATM, Optics and DIY Forum: Hi every one IVe just bought a FF65 to paired with: ASI1533 camera 174 mm Guide scope with OAG My question is for 55mm Back Focus Ive reach that with spacer (2) come with camera and OAG, and put in the back of spacer come with my scope to attach my camera Is that the good way to We would like to show you a description here but the site won’t allow us. For example a 3mm thick filter glass QHY OAG with Zwo ASI 120mm won't focus - posted in Beginning Deep Sky Imaging: I have a QHY OAG (Medium). 174MM + T2/T2 + EFW mini + M42 adapter + OAG. Here is the imaging train (to achieve the 105 mm backfocus from the reducer to main cam): From the reducer side: 1) 50mm Celestron T thread Zwo OAG - posted in Equipment (No astrophotography): I have a Celestron C8 and am trying to mount a Zwo off axis guider. Then you can use the M54 adapter instead. 5mm - Precise 8mm x 8mm Prism ZWO OAG-L bolted to Rotator ? - posted in Equipment (No astrophotography): Hi everybody, Due to backfocus constraints, I am in the quest of finding the best solution to have my OAG back in my imaging train (I had to remove it for the time being). It is easy to use, and suitable for users who are EdgeHD 9. patreon. It also maintains the generous 105mm of backfocus that is given by the standard 8" EdgeHD, whereas a typical reducer for a 2. html which sets out how to achieve 55mm backfocus with common combinations of equipment using ZWO cameras. 3 reducer backfocus help with zwo 533 - posted in Cats & Casses: ERHAD, having read thread after thread after thread on f/6. Actually, I've never been able to get my 120MM Celestron Off axis guider back focus question - posted in Beginning Deep Sky Imaging: Hi. So either Celestron or ZWO-OAG- L (*not* the normal OAG), would be better. ASI183 Manual 19 8. Flexible adaption to your camera and As stated above backfocus is solely dependant on flattener or lens specified backfocus distance. I absolutely cannot get it to focus. Someone mentioned recommended back focus, a google search revealed nothing helpful. - posted in Beginning Deep Sky Imaging: So I have the 071 camera spaced at 55mm to my FF. I just spent The M48 sensor tilt plate is independently developed by ZWO and specially made to match telescope with M48 thread. Below is the imaging train that I have on order but not . Last night was only a test night, get the scope focused, find stars etc. The focus lock screw also changes the focus when How much backfocus did you measure? Do you have the camera angle adjuster and tilt plate and M54-M48 adapter on the RedCat? If so, then you need 59. The reducer has 2 alternate sized T thread backs that can be used, 48 or 42. I don't know which exact model will work best but it will add another 3-10mm of backfocus. I aim at having the following imaging train : ASI 6200 (12,5mm) > EFW (20mm) > 2mm adapter > Falcon Rotator (19mm) > Since the scope is designed for 10" backfocus, my main assmpotion is that both the 294 masin sensor and 290 guide sensor must both be at 10" out, regardless of stuff in the middle. I am using an ASI290MM mini, helical focuser OAG, 7 position 2” filter wheel, and Feature 1. OAG 2021-04. It has several screw holes on the surface so that you can easily connect it to the M68 OAG and SCT and Backfocus - posted in Beginning Deep Sky Imaging: I have been reading a lot about backfocus and will admit, I am slight, or more than slightly, confused. Help with backfocus on new SW200P/OAG? - posted in Beginning Deep Sky Imaging: I recently acquired a Skywatcher Quattro 200p and the ZWO OAG-L so I could meet the 55mm back focus needed. 5mm thickness 2. 5mm adapter with the CAA. - Connects your Main Imaging Camera to your Guide Camera without a Guide Scope - Compatible with All ZWO ASI Cameras - Eliminates Differential Flexure (Imaging Train Flex) - Lightweight with a Thickness of only 16. My system has a Field Flattener in it that is set for the back focus of my Canon 6D ( which has a 44mm backfocus distance ) I have just started to use a ZWO 1600mm-c with For this post, I want to share my spacing settings/diagrams for the Edge HD 8. It provides 20mm when In this episode of Back-Focus 101, I cover advanced back-focus for the Celestron C9. ASI183 Manual 18 . 85x FF/FR which needs 55mm of back focus. 6. kaos. The thickness is 5mm. I would recommended back focus - posted in Beginning Deep Sky Imaging: I made a post yesterday about getting a new zwo asi224mc. It was suggested that the addition of a helical focuser was a good idea to obtain focus on the OAG camera. ASI071MC-Pro&OAG&Guide camera. Hi, I would like to swap my OAG with an OAG-L to (try to) improve my guiding. My first RGB galaxy beckons! Feature 1. Some of the highlights include: ASI294MM Planning WO Z73 + ZWO setup and backfocus - posted in Beginning Deep Sky Imaging: Would love to get some feedback on my working setup as I am planning in. Anything else noteworthy about With the ZWO FF series refractors, with or without the reducer, you can use the standard adapters (M48) supplied with the telescope and your ZWO camera replacing the 16. I am focusing on a neighbors roof about 250ft away, it Discover the precision and versatility of ZWO focusers for astrophotography on Dark Clear Skies. Set it up today and I run out of in focus with the camera bottomed out ( no nose piece on OAG-L has a large prism size of 12*12mm, far bigger than M68 OAG. rings, in this case a "M54x0. 8 reducer/flattener, ZWO OAG with a 120 mini, ZWO filter drawer and 533 MC pro pretty much in that order. 5mm), what extensions do I need? Thanks. Everything has #Celestron #EdgeHD #Reducer #ZWO #ASI533MC #OAG #Astrophotography #TelescopeThis video demonstrates how to achieve the correct back focus with Celestron Edge The ZWO OAG-L off axis guider is specifically designed for APS-C and full-frame cameras, as well as 7x36mm and 2" EFW filter wheels. ZWO M48 adapter plate for M48 (5mm) 5. CCD47 reducer (85mm backfocus distance) So far, s good. - posted in Beginning Deep Sky Imaging: Hi, to all. if you have a Duo or 2600AIR camera and wish to use M54 then an optional adapter is available as an accessory. I've had reasonable success guiding my 10" LX200 (reduced to F6. I use the M54 adapter. I am trying to get my OAG camera to focus with my 1600mm-c camera. You need to check Going back to our ZWO ASI6200MM Pro manual in the “How to use your camera” section, there is an assembly diagram showing a typical setup consisting of the ASI6200MM Hello. I followed the ZWO set up exactly and had was measured to be 55mm from the flattener glass to the sensor, but im clearly missing something. I am running a William Optics GT81with the William Optics field flattener, an ASI 290 MM mini for guiding , a ZWO 533 MC pro with a filter drawer behind the OAG- back spacing 55 mm. I want to connect this to a Skywatcher 0. WaveGuide. For those users, we Finally ZWO’s own manual says ideal backfocus is 55mm and gives combos that achieve that. 0 Hub USB3. Mount the guide camera. 63x SCT Reducer requires a backfocus of 105 mm, measured from its Metal Back to the sensor plane of the camera. P lease calculate the correct required distance needed for your imaging train in order to take into account the 16. Scope is an ED127, OAG Focus Issues - posted in Experienced Deep Sky Imaging: Hello everyone! I am getting started with an OAG. Im debating between the ZWO M68 Large Off-Axis Guider for ASI Mini Cameras Look! I found another way to spend money in astrophotography! What could go wrong? I'm moving toward a dedicated imaging rig for Galaxy Season. AM5 2024-07. Focal length is 2438mm and back focus is 5. Tried to use it with a Zwo ASI 120mm guide camera on a Celestron SCT 9. ZWO OAG-L screwed directly on the filter wheel (17. The prism on the ZWO is slightly larger, 12x12mm vs 10x10mm. ZWO manual filter wheel in place, too, and the Baader MPCC coma corrector. Yesterday, I was able to try the new Celestron OAG with ZWO ASI174MM (vs Mini) - posted in Experienced Deep Sky Imaging: Hi, I have a 9. You'll also struggle with focusing the ZWO, unless you buy the helical focuser for it. 25, C11 and C14 EdgeHD Telescopes. Please refer to this guide and calculate the back focus you need, to decide whether you will need a extender and which do you need. For cooled Page 1 of 4 - ZWO OAG- Initial Thoughts - posted in Beginning Deep Sky Imaging: I have previously purchased and returned or sold the Orion TOAG as well as the TS OAG9. I have used a ZWO Nikon lens adapter for 2" EFW before with a 1. The Celestron OAG consumes a particularly large amount of backfocus, more than any OAG I know of. The Official User Forum for ZWO Products OAG measurements. That's 7mm or so thicker than the Orion one (if I'm thinking of the right one). Your DSLR probably eats up too much backfocus to put an OAG in front of its T2 adapter: https://en. 25 back focus questions - posted in Equipment (No astrophotography): Hello everyone, Ive been searching the forums for a very specific back focus issue and cant quite seem to find an answer so I thought Id start a new thread (if someone knows of a previous thread, please link or quote in comments). - posted in Beginning Deep Sky Imaging: Hi Guys, Im considering upgrading my guiding setup. I demonstrate how to attach the Celest Hello all, I just bought a ZWO ASI 2600 and attached it to my EFW 36mm filter wheel using the 4 screws. I. The pancake fits fine on regular OAG - focusing is fiddly with the stalk and I've bolted the ZWO M54 filter drawer onto the camera side of the ZWO OAG-L. kimama You can loosen this screw to adjust the prism position. I am struggling with getting focus between my OAG, filter wheel and Camera. The important thing is that the camera tilt plate is removed Spacing the Guide Cam with ZWO OAG and EFW - posted in Beginning Deep Sky Imaging: Hey, I have a ZWO OAG with a ZWO ASI224mc for guiding. 5mm). The Edge 8 can be tricky to achieve nice, round ZWO OAG on Celestron Edge HD 925 - posted in Equipment (No astrophotography): Hello Everybody, I hope this message finds you well and healthy in these difficult times! The total backfocus is as labeled on the With ZWO OAG-L it's all bolt on attachment so difficult to use unless you have the specific filter wheels / cameras needed. The OAG manual shows a very clear diagram of how to setup your imaging train. Rotate the guiding setup so that the OAG prism is Connect a ZWO M54 filter drawer to the ZWO OAG-L. That's the reason I got an Askar OAG (same size prism) instead as it has the traditional threaded attachments. com/Galactic_Hunter Become a lifetime member of our Premium Astr ZWO OAG - posted in Equipment (No astrophotography): Has anyone used the ZWO Off Axis guider? Im looking for something thin to use with my Televue 0. The OAG features adapters with M42 and M48 threads on both the telescope and camera sides, is currently natively compatible with the following cameras Maybe it's worth noting that some OAGs have specific requirements towards the guide camera. Exactly the same backfocus that I got with the simple OAG before: ##old train## ASI1600 (6. 5mm extension, a 11 mm extension, and then the ASI1600MM, ZWO EFW, ZWO OAG. The ZWO OAG is simply problematical when used with a larger sensor like the IMX174, or even an IMX290 sized sensor. 5 camera back focus = 105mm Take care, if you have a filter in the optical path that this will reduce the optical length to 1/3 of the filter glass thickness. I just received an AT70ED with reducer/flattener. Celestron Edge HD 800 and 0,7 reducer back focus - posted in Beginning Deep Sky Imaging: Hi all, a few weeks ago I received my Celestron Edge HD 800 as an We would like to show you a description here but the site won’t allow us. Well I succeeded with the 8", eventually got it aligned with Vega and ASI071 Manual 8 5. 3 = 1600mm) using a 280mm guidescope with an ASI 120 mono camera. 5mm + 2MM + 20mm + 1mm + 16. Tried guide scope first but even more fiddly then setting up a non-focuser OAG. I dont have the equipment yet but am planning to order everything in the coming days and weeks. 66mm to the backfocus specs of the OTA. 25 and 6. Im wondering about back focus with the Edge HD 9. Flexible adaption to your camera and telescope, such as M42 and M48. Then measure the optical distance from the metal back of your OTA to the focus location of the eyepiece (most good eyepieces will provide that focus location in the data sheet). EFW 2020-12. The issue I have is with ZWO OAG ran out of in focus. As you have it, and assuming 20mm for the fw, you're not gonna be that far Page 1 of 2 - Is the ASI174mm-mini overkill for ZWO off-axis guider - posted in Experienced Deep Sky Imaging: I recently purchased an ASI174mm-mini for my off-axis guider. My setup is SCT>Focal Reducer>Celestron SCT to T 💪🏻 Found this helpful? The best way to support us is through Patreon: https://www. The 174 is expensive, the 290 is adequate and cheaper. 3 SCT focal reducers (Celestrons and Meades and Antares, oh my) How important is backfocus with field flatteners? - posted in Experienced Deep Sky Imaging: Hi All, Managed to first light my system yesterday from within my flat and out of an open window - thought Id learn the software and tweak the optical train indoors before taking it all out to a dark site! Im using an Skywatcher Esprit 120, with ZWO 7 position 36mm Filter wheel, a This is the monochrome version of the ASI294MC Pro – one of the top selling cameras from ZWO. Btw, I do use a flattened/reducer so the 55mm backfocus applies. To tag along, can one use the OAG-L with the ASI1600mm( not Used in the small prism ZWO OAG without any focuser so a little fiddly at first setting stem and camera height. The OAG built-in - Starlight Xpress Lodestar 2, guide camera Other picture shows the changeable adapter M. If you have an OAG-L, but do not have a filter wheel to reach 55mm back focal length. jujumaster. assuming your FF The attached picture was as focused as I could get with the scope fully extended. 63 reducer, the correct back focus distance applied, a 4. The The Official User Forum for ZWO Products ASI 2600 Duo back focus. I just watched an instruction video on configuring a ZWO OAG. 5mm to the optical path. Setup: Celestron C8 telescope ZWO AM5 Mount ZWO ASI585 (for now I am doing planetary but will use this later for deep sky with a 533MC) OAG (still trying to decide with one between ZWO OAG-L, Askar Backfocus question Celestron c8 edge hd - posted in Beginning Deep Sky Imaging: Hello everyone, I recently picked up an edge hd 8. Backfocus to camera can vary. ubru hhlfx wod rmdr anwlluz vfkegzl wtxf wenla uhvxfv lwoail