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Celestron back focus


celestron back focus 105mm of back-focus: Provides generous back-focus to accommodate additional accessories and a wide variety of cameras. This guider is a tremendous improvement over conventional off-axis guilders. Zero allows backlash free movement and is way faster than older motor Focus fast, reliable and accurate your Celestron SCT telescope by using the “FocusCube Zero“. Sep 16, 2005 · I've heard from Celestron that the optimal back focus is 4" behind the mirror cell. FEATURES OF THE CELESTRON 9. The USFS is also compatible with the optional Celestron Focus Motor (#94155-A). 1. Does anyone know if there is a way to add a Mar 04, 2020 · Focal reducers for 9. The motor fits all SC, EdgeHD and RASA optics, as well as the two new Maksutovs with CGEM-II and CGX mounts . If the focus knob is not adjusting, it might have to be replaced. If your telescope is less than a few years old, check the style of the back cell to see which version of the Feather Touch ® SCT Micro Focuser you need: If your telescope has a flat back (left picture), you need the standard "C" Micro Focuser. Increases the field of view by 43%. 5 mm >> FocusCube SCT has been replaced by the Focus Cube Zero. /100m. Does anyone know if there is a way to add a Celestron M42 Spacer Kit Adjusts back-focus between your camera and telescope for the best astroimaging results Kit includes 3 spacer rings of different lengths (7 Celestron Visual Back - 1-1/4" (item 93653-A): Celestron 1. Is it a good mount ? My scope is Celestron cpc EdgeHD 1100. 3 Reducer/Corrector 4" from rear of Reducer Home Classifieds Astromart Classifieds Focusers Celestron 93633-A Back focus (105mm) Celestron 93633-A Back focus (105mm) Please Log In to view the details for this classified ad. Back Focus: 18 + or - 5 inches: Optimum Back Focus: Approx. 25″ Visual Back is a metal adapter that screws onto the standard rear cell threads of Schmidt-Cassegrain and Maksutov-Cassegrain telescopes and accepts 1. Mar 04, 2020 · Focal reducers for 9. It increases your photographic field of view by 43% to better Feb 05, 2021 · – The back focus distance in this case is 56mm; – The back focus distance in this case is 56mm; 2)With OAG-L: This method is quite similar to Solution #2 → 2), so we do not go into details here. How Do I Set the Correct Back Focus Spacing? To change back focus spacing, you need to add (or remove) spacers, sometimes also called extenders, within your telescope's imaging train. I'm setting up a OAG with the system and my distance is basically 1. Example #2 ONAG® SC: Imager OSC SBIG STF83000C optical back focus = 17. I often will find it disconnected in the “Equipment” tab, and have to manually reconnect it. The light from the primary is intercepted by the convex secondary mirror (d) and reflected back through a hole in the primary mirror to the Cassegrain focus (e). Note : Not suitable for the Celestron EDGE or Meade ACF series. The RASA 36 cm also features a redesigned focus system, which ensures easy and stable focusing. 25, C11 and C14 EdgeHD Telescopes. Operating environment: 40 degree C to -40 degree C. ) per cm. These pictures show the steps to install the Celestron 9ž SCT MicroFocus. 3. 7x focal reducer is a 5-element lens system that converts your 11" f/10 EdgeHD scope or optical tube into a fast f/7 optical system. 133 in). 2. The Celestron Large SCT & EdgeHD Adapter V2 for Off-Axis Guider has a longer 38 mm focal length to provide DSLR cameras with back-focus spacing for Schmidt-Cassegrain and EdgeHD optical tubes in conjunction with the Off-Axis Guider without the need for extra adapters or spacers. But Where does one actually start measuring? On the OTA Aug 21, 2020 · Celestron says C11 back focus is 152mm. The Reducer also allows use of existing EdgeHD T-Adapters and other Celestron imaging accessories with or without the Reducer Lens. 25, C11, C14) threaded baffle tube lock nut: Aug 16, 2018 · Get the main camera to focus at the correct backfocus first. At 30mm in diameter and 26mm long, it is a little smaller than what I typically see on a full-sized instrument, but it is still easy to reach and the great action and rubber track make it nice and About Celestron T-Adapter for Schmidt Cassegrains Telescopes. Does anyone know if there is a way to add a Camera back focus is also critical and will require proper spacers. 25" EdgeHD. Oct 25, 2021 · This back focus spacing guide is sized to be saved on your phone for easy reference. Unlike generic reducers, our premium reducers provide substantial back focus to accommodate an assortment of imaging accessories. If you want focusing repeatability with an NGF focuser, SCT (Schmidt-Cassegrain Telescope) manual focus or MOTOFOCUS, this unit will do the job. The first time you use the OAG, you may need to locate a guide star visually with a 1. Does anyone know if there is a way to add a A Visual Back is a metal adapter that screws onto the standard rear cell threads of Schmidt-Cassegrain and some (but not all) Maksutov-Cassegrain telescopes and accepts 1. Does anyone know if there is a way to add a Ultra-Stable Focus System. Self-powering: When connected to a Celestron computerized mount, the mount provides the power. Several times per night is the best I can do. It can also be used for long exposure deep-sky photography when using The Celestron Fastar (or Starizona Hyperstar, a similar system) lens assembly can hold a CCD camera in front of the scope and focus the scope’s image into the CCD, as shown on the right in the diagram above. Allignment etc, these have made my life very easy. Google "celestron f6. May 07, 2009 · Back focus directly impacts your ability to use accessories with your telescope. Originally the back focus is set at 133mm (5. 6 C90 Lens For Canon Manual Focus. The Celestron motorized focuser works very well on this scope, and allows most capture software to auto focus quickly. 34 Sep 27, 2019 · The Celestron Focus Motor isn’t working well. Optimal back focus to camera chip is approximately 105mm. The design most heavily impacted is the Newtonian due to its short back focus; the only two possible fixes are to move the mirror and its cell up in the tube and/or get a low-profile eyepiece focuser. 15x magnification porro prism binocular; large 70mm objective lens offers maximum image brightness in low-light and long-range conditions. Jun 11, 2018 · Fits both Celestron and Meade SCT telescopes. 29" Thread: FTF2008BCR: A20-223: All versions: 11" FTF2008BCR: A20-223: All versions: 14" FTF2008BCR: A20-223 Nov 23, 2012 · Assuming you have put in the mirror diagonal into the visual back and and eyepiece in at the opposite end, you simply need to focus with the rubber knob, rotating it either left or right, until the object you are looking at comes into focus (for example, the moon). 25 EDGEHD FOCAL REDUCER AT A GLANCE 4-element optical layout designed specifically for the EdgeHD 9. (The Fastar or Hyperstar assembly includes a lens system because the primary mirror wasn’t designed to focus properly at that point so Ultra-Stable Focus System. An additional adapter is required for the RASA 1100, as the RASA 1100 is already supplied with The Celestron Off-Axis Guider Adapter v2 provides a large 63mm clear aperture to cover today's larger imaging sensors with proper back-focus spacing for astrophotographers who shoot through 9. 5” which is plenty to work with. 06 degree step size, this high torque, high resolution geared box is easily capable of supporting imaging equipment weighing more than 6 kg (13. . Starlight Instruments Feather-Touch MicroFocuser for use with Celestron C 925 SCT, CPC-925 and C925 EDGE HD. Lanthanum Glass Elements. 25" Celestron Accessories items. 25" rear cell threads of all 11" EdgeHD optical tubes, in front of your imaging equipment. When connected directly to a computer, USB provides the power. This remains the same when using the focal reducer on the 11 or 14 which is very nice. Does anyone know if there is a way to add a primary mirror (b) toward the prime focus (c). 2) Install the replacement knob (top right). 4 degrees. Sep 12, 2021 · Self-powering: When connected to a Celestron computerized mount, the mount provides the power. A custom camera adapter can be added for a field of view up to 4. Opened box, attached to the back of my 35+ year old Celestron C8. The Reducer is made to attach directly to the back of the EdgeHD OTA which keeps the same back focus for cameras and accessories so there is no need for new gear. just after a bit of help. This regularly happens, but I haven’t been able to tell how often. The Celestron 1. 5 mm Sep 22, 2010 · Home Forums VENDORS Celestron C8 optimum back focus. Cloudy Nights has a discussion about this. 25” accessories, including diagonals, eyepieces (for straight-through viewing), Barlows, webcams, and any other accessory with a 1. 3 Reducer/Corrector 4" from rear of Reducer: Near Focus: Approx. Does anyone know if there is a way to add a Celestron 500mm F/5. Hi everyone. Adding the focal reducer brings it to 105mm (4. A to ask it to move The Celestron Focus Motor provides electronic focusing for Celestron Schmidt-Cassegrain (SCT), EdgeHD, and RASA telescope optical tubes. 25” eyepiece. To do that, you'll need to physically thread the spacers into the imaging train at some point in between the camera and your telescope. Not only is the angle of the prism tunable, but it also maintains a fixed rigid camera orientation while still offering users the freedom to move the Oct 30, 2021 · Celestron Edge HD8 Focus Motor Control - posted in Celestron Computerized Telescopes: I added the Celestron Focuser Motor to my Edge HD8 for my astrophotography. 7x provides generous back focus to accommodate an assortment of accessories and a wide variety of cameras. Im using the HD8 with a Skywatcher NEQ6 Mount, not a Celestron Mount. Instead, Celestron has upgraded the TrailSeeker ED to a metal focus wheel which not only looks far nicer but also has a really smooth action to it. Instead, metal back distance has to do with the spacing requirements when using any sort of corrective optics. N. It threads directly onto the 3. The effect of folding the optical path back with a convex secondary mirror also increases the effective focal length by a factor of three to Celestron - CPC 800 GPS XLT - 8" Schmidt-Cassegrain Computerized Telescope with CPC Mount - 11073-XLT . Feather Touch ® Micro Telescope Focuser for Celestron CPC-800 / NexStar 6SE/8SE SCT and SkyWatcher 150/180mm Maksutovs If your telescope is less than a few years old, check the style of the back cell to see which version of the Feather Touch ® SCT Micro Focuser you need: If your telescope has a flat back (left picture), you need the standard Feather Touch ® Micro Telescope Focuser for Celestron CPC-11 Schmidt-Cassegrain Telescope. I have been using NINA to control the focus but it would be nice to have a hand controller also for visual observation. The all-metal focuser has back travel of 5. 1) Remove the original focus knob and cover plate (top left). Aug 17, 2021 · Can a DSLR comes to Focus with the Celestron VX Refractor? If you do mount a DSLR to the Advanced VX 6 telescope and manage to acquire good performance with the VX mount, you will be able to reach focus. Does anyone know if there is a way to add a Celestron CPC1100 back focus distance. For instance if this configuration is used with a C11/C14 EdgeHD scope you would need that the adapter/spacer connection to the scope visual back (in front of the ONAG® is 146 – 134 = 12mm long to meet the Celestron nominal back focus recommendation. Unlike generic reducers, the EdgeHD . Fully multi-coated lens elements. Oct 30, 2021 · Celestron Edge HD8 Focus Motor Control - posted in Celestron Computerized Telescopes: I added the Celestron Focuser Motor to my Edge HD8 for my astrophotography. Stuck a ASI120MM mini in the off axis guide. Many of the apochromatic refractor telescopes I have used are in the range of F/6 – F/7 and are capable of capturing images with extremely sharp details of your subject. The Digital Focus Counter is a low-cost mechanical alternative to the electronic DRO . But the 10” or larger Celestron or Meade SCTs have a significantly larger baffle tube and thus a 2” exit hole in the rear cell. 3) Install the replacement cover plate and attached collar (bottom left). 5} Celestron 500mm f/8 Mirror Manual Focus Lens with T-Mount Adapter for Nikon {30. With the focus motor installed, you can bring celestial objects into sharp, precise focus using your telescope’s hand controller or a computer instead of using the focuser knob. The closest distance you can focus on an object with these 8x42 Celestron binoculars is 6. You can see some examples of the RASA's imaging capabilities in the images above, which are just portions of the 2136 x 1752 pixel original. I. The Celestron Fastar (or Starizona Hyperstar, a similar system) lens assembly can hold a CCD camera in front of the scope and focus the scope’s image into the CCD, as shown on the right in the diagram above. 25, 11, or 14" SCT and EdgeHD catadioptric telescopes with DSLRs like the Canon 5D or 6D. 25" with 3. More On The Way . 25, 11, and 14, back focus is 146. 25” insert barrel. This is a In this episode of Back-Focus 101, I cover advanced back-focus for the Celestron C9. 25-Inch) A/D conversion: 12 bit. The back focus is advised Support & FAQs. 25" Visual Back 93563A accessory is used to adapt the threads on all Celestron Schmidt-Cassegrain Telescopes for use with 1. 29" Thread: FTF2008BCR: A20-223: All versions: 11" FTF2008BCR: A20-223: All versions: 14" FTF2008BCR: A20-223 Jun 19, 2019 · The RASA-8 has 25mm back focus from the camera adaptor ring, so if the distance from the camera’s front aperture to the sensor is greater than this, as is the case with a DSLR, focus isn’t possible. Combining accessories can also cause back focus problems. Lock the camera down and do fine focus with the OAG focuser. 34 Feb 26, 2004 · To fine-tune the focus on your SCT when doing astrophotography it helps a lot to have an electric focus motor mounted on your scope. This includes diagonals, straight through viewing with eyepieces , etc. 25 EdgeHD, C11 EdgeHD, a Mar 26, 2018 · Celestron EdgeHD back focus measuring starting point? - posted in Cats & Casses: Ive seen and read several topics about back focus on the Celestron EdgeHD OTAs but Im still a little confused For the EdgeHD 9. C8 optimum back focus Started by drgenovese, 09/22/2010 10:17AM Nov 23, 2012 · Assuming you have put in the mirror diagonal into the visual back and and eyepiece in at the opposite end, you simply need to focus with the rubber knob, rotating it either left or right, until the object you are looking at comes into focus (for example, the moon). reliabilty ? disconnetions ? tracking ? My current mount is Celestron Alt Azm Mount and I have all my accessories from Celestron like focus motor, Starsense, Skyportal, All Star Polar. Learn more. The EdgeHD Focal Reducer even provides plenty of back focus so that you can use a full variety of imaging accessories. Using 2” Filter Drawer: Above the 4 solutions for the ASI2600MM Pro APS-C camera to reach the 55mm back focus length. This makes it inaccessible using a rack and pinion focuser and a 2" star diagonal (which itself takes up about 4" of back focus). 7x reducer as well Oct 30, 2021 · Celestron Edge HD8 Focus Motor Control - posted in Celestron Computerized Telescopes: I added the Celestron Focuser Motor to my Edge HD8 for my astrophotography. Buy in monthly payments with Affirm on orders over $50. This Focus Motor is designed for Celestron Schmidt-Cassegrain (SCT) and EdgeHD telescope optical tube assemblies. Dual-speed mechanism with two focus knobs. 5mm M42 spacer ring is required Celestron's M42 Spacer Ring kit includes three different length spacer rings to achieve the proper back-focus distance with our popular Celestron optical tubes and T-thread camera adapters. The Moon or a bright star cluster are good targets to start with so you can clearly see The problem with the standard Celestron or Meade Visual Back adapter is that it provides a 1. A 60mm clear aperture is optimized for larger full-frame sensors to avoid vignetting of the scene. 7x reducer as well A Visual Back is a metal adapter that screws onto the standard rear cell threads of Schmidt-Cassegrain and some (but not all) Maksutov-Cassegrain telescopes and accepts 1. 7x Focal Reducer for 9. An additional adapter is required for the RASA 1100, as the RASA 1100 is already supplied with Back Focus: 18 + or - 5 inches: Optimum Back Focus: Approx. 6 mm without nosepiece. Primarily for use with catadioptric telescopes, but also works on refractor telescopes having adequate back focus. The RASA-8’s limited back focus precludes the use of regular filter wheels, which are used in RGB (red, green and blue) or narrowband imaging. 25 in). 25-inch barrel and C-thread. 7x Focal Reducer is made for the best-selling 9. 5mm more than the 133 or 105 distances. If back focus or clearance is an issue, we also have a shorter travel focuser in which we call the "Shorty" All versions: 6" FTF2008BCR: A20-295: All versions: 8" and 9. Suitable for terrestrial or astronomical viewing. Celestron Visual Back 1-1/4" comes standard with all Pegasus SCT Motor Focus Kit Zero - Celestron C6 - C925 This powerful Pegasus Motor Focus Kit for Celestron Schmidt-Cassegrain Telescopes enables fast and accurate focusing. Here are the Celestron recommended distances for various EHD models behind the surface of the telescope’s rear cell 2″ (for C8) and 3″ (for C9. Compatible with a wide variety of Celestron Schmidt-Cassegrain Home Classifieds Astromart Classifieds Focusers Celestron 93633-A Back focus (105mm) Celestron 93633-A Back focus (105mm) Please Log In to view the details for this classified ad. Not only is the angle of the prism tunable, but it also maintains a fixed rigid camera orientation while still offering users the freedom to move the Indexed focus position. (The Fastar or Hyperstar assembly includes a lens system because the primary mirror wasn’t designed to focus properly at that point so Pegasus SCT Motor Focus Kit Zero - Celestron C6 - C925 This powerful Pegasus Motor Focus Kit for Celestron Schmidt-Cassegrain Telescopes enables fast and accurate focusing. Focus backlash and mirror flop are negligible. Then, proceed to focus the autoguider using the helical focus adjustment. There is some focus drift with temperature - so you will want to focus every half hour or so. This is the guide for replacing the focus knob on the Celestron Nature DX 8x25 Binoculars. A T-Adapter allows you to attach your 35mm SLR camera to the prime focus of your telescope or spotting scope. Couldn't attain focus on the offset. 98m) which is still very good. Additionally, while autofocusing, it will often report an incorrect position far from the focus point causing N. Threw an ASI178MM on the back, attained focus. 5 feet (1. Apr 11, 2017 · I need reviews on Celestron CGX L. 2 lbs. 05mm. RASA 36 cms ample back-focus distance (77. How sensitive is the system to changing the back focus? Jan 11, 2015 · I own a Celestron EdgeHD 8" OTA and I have a question on the back focus for AP. Celestron 1. Exposure range: 0. Taken at the 2014 Texas Star Party, the original image of Markarian's Chain of galaxies is the result of 58 x 90 second shots with the Celestron Jul 06, 2020 · Celestron’s new EdgeHD reducers feature a custom 4-element optical design engineered to maintain the flat-field performance of our award winning EdgeHD optical system. Sep 09, 2019 · This Celestron EdgeHD 0. Using the chart above at f/10, the charts says 102mm. This arrangement is used for terrestrial photography and short exposure lunar and planetary photography. Maintains the same back focus as when used at f/10. Does anyone know if there is a way to add a Celestron 1. Also allows use of existing T-Adapters for EdgeHD 800 and other Celestron imaging accessories; One full F-Stop faster than f/10: Reduces the exposure time by one-half to capture the same brightness of object Celestron’s EdgeHD reducers feature a custom 4-element optical design engineered to maintain the flat-field performance of our award-winning EdgeHD optical system. Does anyone know if there is a way to add a Telescopes with “fast” optics such as the Celestron RASA (F/2) are more demanding on focus accuracy but can let in a lot of light in a short period of time. Camera back focus is also critical and will require proper spacers. LEROY W The back focus distance from the back of the focal reducer to the image plane of your camera should be about 110mm. All of our products are made in house in the US and are designed and machined with state of the art machining and turning centers producing Pegasus SCT Motor Focus Kit Zero - Celestron C6 - C925 This powerful Pegasus Motor Focus Kit for Celestron Schmidt-Cassegrain Telescopes enables fast and accurate focusing. Jan 11, 2015 · I own a Celestron EdgeHD 8" OTA and I have a question on the back focus for AP. I'm trying to find the correct back focus distance from the outer edge of the baffle lock nut to the camera focal plane. Celestron Visual Back - 1-1/4" (item 93653-A): Celestron 1. It is designed specifically for use with the Celestron OAG to Pegasus SCT Motor Focus Kit Zero - Celestron C6 - C925 This powerful Pegasus Motor Focus Kit for Celestron Schmidt-Cassegrain Telescopes enables fast and accurate focusing. • Back-focus consumed by ZWO ASI 183 MC PRO camera: 17. The Celestron FocusView 16x32 binocular offers the ideal affordable solution to a wide range of binocular use requirements. 0001 to 1 second. Celestron NexImage Burst Color CCD Eyepiece Camera (1. Nov 04, 2012 · Back focus distance from primary mirror baffle tube lock ring (in) C5: 5 in: C6: 5 in: C8: 5 in: A EHD scope achieves its full capability when the focal plane is placed at a nominal back focus distance (NBF) from the scope visual back. Unlike generic reducers, our premium reducers provide substantial back-focus to accommodate an assortment of imaging accessories. Blackened edges. Welcome to MoonLite Telescope Accessories A manufacturer of premium of traditional Crayford style focusers and Worm drive 2 axis rotating focusers. Celestron 500mm F/8 Mirror Manual Focus Lens With T-Mount Adapter For Nikon {30. Jul 06, 2020 · Celestron’s new EdgeHD reducers feature a custom 4-element optical design engineered to maintain the flat-field performance of our award winning EdgeHD optical system. 4. Then adjust the OAG focuser to the middle of the range and then insert the camera and move it by hand up and down the barrel until you are close to focus. Celestron Celestron Regal M2 100ED Spotting Scope – Fully Multi-Coated Optics – Hunting Gear – ED Objective Lens for Bird Watching, Hunting and Digiscoping – Dual Focus – 22-67x Zoom Eyepiece, OD Green (52306) Amazon $ 899. The back focus from the included camera adapters is 55mm. 4) Place the MicroFocus sleeve over the collar and tighten the thumb screw (bottom right Celestron Celestron Regal M2 100ED Spotting Scope – Fully Multi-Coated Optics – Hunting Gear – ED Objective Lens for Bird Watching, Hunting and Digiscoping – Dual Focus – 22-67x Zoom Eyepiece, OD Green (52306) Amazon $ 899. Back focus distance: 13. Exceptions are optics built before 2006 and the 9. How sensitive is the system to changing the back focus? Celestron . Jun 19, 2019 · The RASA-8 has 25mm back focus from the camera adaptor ring, so if the distance from the camera’s front aperture to the sensor is greater than this, as is the case with a DSLR, focus isn’t possible. Feb 01, 2014 · Please see notes below when choosing 'C' or 'CPC'. 25″ EdgeHD. Getting the proper back-focus for your imaging camera is a vital step in getting the best data possible out of your telescope imaging/research rig. The effect of folding the optical path back with a convex secondary mirror also increases the effective focal length by a factor of three to Primarily for use with catadioptric telescopes, but also works on refractor telescopes having adequate back focus. 5” exit hole which matches the size of the exit hole on the rear cell of an 8” SCT. 1 mm with nosepiece, 10. 5} at KEH Camera The store will not work correctly in the case when cookies are disabled. Pegasus SCT Motor Focus Kit Zero - Celestron C6 - C925 This powerful Pegasus Motor Focus Kit for Celestron Schmidt-Cassegrain Telescopes enables fast and accurate focusing. With a 0. With limited back focus, you may not be able to use Barlows, focal reducers, binoviewers, SLRs, and 2 in eyepieces. 25″ Visual Back. Maybe chart is measuring from the adapter rather than from the nut but Celestron says it's 126mm from the adapter so it still doesn't agree with the chart. The three-digit counter display allows 10 turns of the shaft before returning to zero. Feb 05, 2021 · – The back focus distance in this case is 56mm; – The back focus distance in this case is 56mm; 2)With OAG-L: This method is quite similar to Solution #2 → 2), so we do not go into details here. Sep 22, 2010 · Home Forums VENDORS Celestron C8 optimum back focus. Does anyone know if there is a way to add a Celestron has designed and engineered the larger SkyMaster models to meet the special demands of extended astronomical or terrestrial viewing sessions. I demonstrate how to attach the Celest In this episode of Back-Focus 101 I cover the basics for attaching a DSLR camera or CCD/CMOS style camera to either the Celestron C9. Compatible with a wide variety of Celestron Schmidt-Cassegrain, EdgeHD, and Rowe-Ackermann Schmidt Astrograph optical tubes. C8 optimum back focus Started by drgenovese, 09/22/2010 10:17AM Celestron now offers its own model, the focus motor for SC and EdgeHD optics. 25' (Camera or Visual) Optical Tube Dimension: Length 16", Diameter 9", Front Cell Diameter 9-1/8" Optimum Back Focus: Approx. 25-inch. Celestron Visual Back 1-1/4" comes standard with all Indexed focus position. When this focus motor is installed, you will be able to bring celestial objects into sharp, precise focus using your telescope's hand controller or a computer instead of using the focuser knob. Edited November 23, 2012 by Brinders. A note about the terminology when discussing this topic: the necessary spacing for an imaging train has been described using different terms, including "Metal Back Distance" and "Back Focus. 25", 11", and 14" maintain the full 146mm back focus, making it easy to switch the reducer in and out of image trains as desired All EdgeHD scopes cover a full-frame DSLR at native focal ratio, and all but the 8" will cover the same field with the 0. " FOCUSING I 7 FOCUSING Always start by focusing the imaging camera with your telescope. 3 focal reducer back focus". We provide manual and fully automated options. 3 Reducer/Corrector 4" from rear of Reducer Oct 24, 2019 · The Celestron Focus Motor for SCT and EdgeHD enables electronic focusing using a computer or Celestron computerized mount hand controller for remote/hands-free observing. Feb 26, 2004 · To fine-tune the focus on your SCT when doing astrophotography it helps a lot to have an electric focus motor mounted on your scope. So whilst these may not be the ideal choice of binocular if you plan to spend most of your time observing objects at close range (things like butterflies for example), they will perfectly hold their own for The Celestron FocusView 16x32 binocular offers the ideal affordable solution to a wide range of binocular use requirements. 25 with 2-24 Thread8" FTF2008BCR: A20-295: All versions: 9. Does anyone know if there is a way to add a Pegasus SCT Motor Focus Kit Zero - Celestron C6 - C925 This powerful Pegasus Motor Focus Kit for Celestron Schmidt-Cassegrain Telescopes enables fast and accurate focusing. Well suited to diverse outdoor activities such as birding, hiking, sight-seeing, sporting event viewing and hunting, as well as indoor activities such as concerts, stadium events, performances, and any other activities where an up-close view of the action is desired. Celestron have also included a printed scale on each eyepiece that you can use to make setting up the focus at different settings a little quicker. One full F-Stop faster than f/10. 1 ft. Focusing is easier, more accurate, and more stable than ever. 5mm • To achieve equal back-focus distance, a 7. 25" EdgeHD Telescope With its impressive ability to maintain flat-field performance, the Celestron 0. Added a 5 mil spacer (provide) between my 178MM and the OAF, re-attained focus. 4 inches; with f6. 5 mm) accommodates a wide variety of imaging sensors. The problem with the standard Celestron or Meade Visual Back adapter is that it provides a 1. The evolution of technology in astronomy requires a system which will assist the focusing of the telescope with great […] Celestron now offers its own model, the focus motor for SC and EdgeHD optics. Keh Model# 355436. Brinders. With the launch of the 8” RASA, Celestron is unveiling a new focuser design that mitigates lateral movement of the primary mirror when focusing, slewing, or tracking with the astrograph. It takes just under 1 full rotation (360°) of the eyepiece to take the focus from infinity to it's minimum close focus of 328. 34 The bearing serves to minimize focus shift (unwanted lateral motion of the primary mirror during focusing which causes shifting of the image) and mirror flop (movement of the primary mirror when the telescope is pointing to different positions in the sky). Replace your telescope's standard focuser for this Starlight Instruments Feather-Touch MicroFocuser for smoother and more precise focusing. Imaging sensor: Aptina AR0132AT CMOS (Color) Mounting: 1. Celestron indicates one available, but when you check it out you will find that they refer you to JMI (Jim’s Mobile Incorporated) who makes “Motofocus” accessories for Celestron SCTs. celestron back focus