Edge hd corrector plate. 25-, 11-, 14-inch apertures.

Edge hd corrector plate A Replacement "corrector plate" lens for Celestron C11 both standard & Edge HD. 25" and 11" optical tubes. Servicing time approx 14 Dec 28, 2024 · EdgeHD: removing corrector plate to re-affix Fastar/secondary - posted in Cats & Casses: Went to remove the secondary on my 2 year old EdgeHD 9. A dew shield prevents condensation from forming on the front corrector plate on damp nights, which fogs up the image and can damage the Starbright XLT multi-coatings over time. Place a small piece of tape on the edge of the corrector plate and the corresponding inside of the scope for alignment when re-assembling. It was a very simple operation and I believe I achieved an Jun 22, 2020 · Page 1 of 3 - Celestron - Replacing a corrector for an 8" Edge - posted in Cats & Casses: I want to share the experience that Im currently having with my 8 Edge HD. Thanks in advanced Clear Skies Sep 13, 2020 · The glass in the photos is called the corrector or corrector plate. May 19, 2025 · Removing superglue from the inside of a corrector plate - posted in Cats & Casses: There is a 5mm circle of super glue that landed on the inside of my Edge 925 corrector plate between the edge of the secondary and edge of the plate. The HyperStar lens attaches to the holder in the corrector plate. I havent seen it with the seller the day of the purchase but theres a scratche inside de the corrector plate. 25 Evolution from a retailer for a steal price. One of my filters had a partial fingerprint on it. So when I cleaned my Edge I marked the corrector plate and put it back together as before. This seemed wrong so I looked at what was happening and realized that the whole caller was coming out of the corrector plate. Apr 4, 2022 · Om my Edge HD800 there were marks, hardly visible though. Jun 7, 2022 · I purchased a Celestron Edge HD 8 OTA from a UK retailer in November 2021. There should be set screws around outside of the scope that hold the corrector in. 9% isopropyl alcohol. I cannot tell if the plate is just smeared or scratched, I lean toward just a poor cleaning and not all scratched up but the way it is at the moment it A Replacement "corrector plate" lens for Celestron C8 both standard & Edge HD. I have recently been using this with a Starizona Hyperstar 4. You will need to loosen each of these screws about a half turn to remove the corrector. While the glass is much cleaner than before, worrisome dew stains and what looked like pollen marks removed, I am stil less than happy with the results. Take control of your telescope! Download the Celestron PWI Telescope Control Software. All that would be required is to use captive nuts on the inside of the OTA that hold the cell in place. However, when my C9. My Oct 15, 2017 · Had a go at cleaning the corrector plate on my 8" EdgeHD today with somewhat mixed results ?. I cleaned it very carefully by Soft Cotton Pads dipped in Mixture of water and few drops of dish washer followed by lens cleaner liquid but I’m not satisfied with the results. Anyway, it obviously wont (or shouldnt) affect imaging but I want to remove it anyway because its annoying me that its there Jan 26, 2023 · Hi! I am going to replace the factory screws with Bob's knobs this evening and collimate the Edge HD 8" scope for the first time. A dew shield is a tube, of approximately the same diameter as your telescope tube, designed to fit on the front end of the telescope to reduce the amount of dew that builds up on the corrector plate. I plan to remove corrector plate and clean with 99. I should have been paying closer attention <sigh>. Jul 5, 2022 · Another Edge HD Corrector Plate Issue - Help Needed - posted in Cats & Casses: Hi all, recently i removed my corrector plate for cleaning. I do a lot of imaging at f/7 and f/2 where I keep switching the camera between the front and the rear ends of the scope. To Sep 1, 2020 · Celestron 9. I didn't realize there's a piece that it's connected to underneath the corrector plate and it is basically loose so getting the secondary mirror screwed on to this loose, unattached piece seems impossible. Please advise A Replacement "corrector plate" lens for Celestron C9. Manufactured & supplied by Celestron. The collimation was off when I got it and the corrector plate was off a bit (checked with the iPad method as well as with a Hotech Advanced CT Laster). The 9. Price includes collimation. Maybe my expectations are too high. 25 Edge HD today. Will my corrector plate work on his HD. Servicing time approx Apr 6, 2023 · Celestron 11 Edge HD Corrector plate cleaning - posted in Celestron Computerized Telescopes: Hi, Considering buying this Edge HD 11 but it looks like attempts we made to clean the corrector plate so it is hard for me to place a $$ figure on it. We do a few housekeeping tasks now that the SCT is back outside. 25, and a Edge 8. SkyPortal App. Does anyone know if this is feasible. Apr 16, 2022 · Centering the corrector plate - C14EdgeHD. i did not mark the position of the plate before removing it which apparently was a really bad idea. Mar 25, 2021 · This means that if the corrector plate is damaged, and simply replaced, the new combination of plate and mirror won't give the same quality results. Oct 1, 2024 · Another Corrector rotation question - posted in Cats & Casses: Im sure something has experienced the same issue as follows: I found out that my Hyperstar V4 on my EDGE HD 8 (2016) freely rotates. I’m very much tensed. Anyhow, I removed the corrector and got rid of the Not meant to be a how-to. 9% isopropyl alcohol? - posted in Cats & Casses: I got a massive dew attack in an imaging session (Battery box was drenched in water and it was like rain) and inside and outside corrector plate has water smudges. 25 both standard & Edge HD. Not only is the Celestron HD coma-free, but it also has a built-in field flattener to ensure sharp focus all the way to the edge-of-field, producing true astrograph quality images. UK customers only. I not only show you how to clean the Your telescope is filthy! Take some time to clean it and keep it in tip-top shape for observing or astrophotography! Does the corrector plate on your Schmidt Jul 25, 2023 · If you store your telescope with covers and caps installed, dust and debris will rarely appear on the inner surfaces of telescope optics. Need to clean the corrector plate on your SCT Telescope? This video has ALL the info that you need to get the job done. I The only issue I encountered was that some of the solution penetrated beyond the O ring on the corrector lens. 25-, 11-, 14-inch apertures. 25 HD that is missing a corrector plate. Only after i removed it i had realized that putting it back was not really straight forward as i initially thought. Nov 5, 2023 · I removed the secondary mirror from the Edge HD 8" to try and figure out if it could be centered better. Jun 4, 2020 · Page 1 of 2 - Corrector plate cleaning - posted in Cats & Casses: Could any of you more experienced members tell me your recommended procedure for cleaning the corrector In situ, and when does it become necessary to do it? I’ve got an 8 edge hd. it does not have to be perfect but the more centered the better later when u have to collimate. There were small tinny 2 red lines on the tube (red on dark gray, not easy to see ) and also 2 red lines on the edge of corrector plate (look carefully under low angle through the plate towards the edge). But sooner or later Ill want to clean it myself without having to incur the On newer SCTs, Celestron has introduced 3 or 4 nylon screws thread through the corrector cell into the edge of the corrector plate in order to accurately center the corrector to improve Fastar imaging. The mirror coating is super delicate so I wouldn’t recommend anything stronger than using a squeeze bulb to blow off bits of dust. Theres already some dust specks building up that I am not going to worry about as I know theyll be so far out of focus as to not affect imaging. Mar 14, 2023 · Damaged and repaired corrector plate of EdgeHD 1100 - posted in Celestron Computerized Telescopes: Dear Forum Members, I am a proud owner of a Celestron CPC 1100 EdgeHD telescope which unfortunately suffered a broken corrector plate. I live in Pakistan so I will have to install it myself which I can but the main issue where to find the replacement corrector plate ? Please help me. i tried to center the plate in reference Feb 29, 2020 · The mirror is attached to a plate with the collimation screws on it. I tried this but found it too difficult to maintain a steady enough line of sight down the center of the tube to be certain how much I needed to adjust the corrector. (please look at the left edge of the attached M27 Oct 14, 2024 · Edge HD 11 corrector plate cleaning inside and outside with 99. A Schmidt corrector plate is an aspheric lens which is designed to correct the spherical aberration in the spherical primary mirror it is combined with. Do not order if there is additional damage to the interior (either mirrror or focusing), as repair will be unviable. See our replacement optical tube assemblies (OTAs). Now, I cannot get it back on. We clean the corrector plate, review some changes to the setup, and perform some adjustments The corrector plate can be cleaned as you would a camera lens - use a soft brush or blower to clean off larger bits of dust or grit - then use a lens wipe or microfiber cloth to clean the rest. This is just a brief overview of what it takes to remove the corrector on a Celestron Edge SCT. 25 for the first time ever and it unscrewed and unscrewed and unscrewed. I always had problems with one edge of the picture which did not seem to go away by just collimating the secondary mirror. Bought them on a sales listing for very little money. I thought I Feb 13, 2023 · Removal of Corrector Plate on the Celestron Edge HD 8" - posted in Cats & Casses: At some point I am going to need to clean the inside of the corrector plate of my Edge 8. Celestron’s EdgeHD series consists of four aplanatic telescopes with 8-, 9. You must remove all the broken Dec 25, 2021 · Page 1 of 2 - After replacing Corrector Plate - posted in Celestron Computerized Telescopes: My OTA Celestron CPC EDGEHD 1100’s corrector plate got broken and luckily Ive found the replacement corrector plate of the same model. I installed, aligned and collimated it and now here are results below. The enclosed mirrors inside Schmidt-Cassegrain telescopes will likely never need cleaning. My understanding is that if there is any hand work applied it would be on the small secondary, as a result it would be this that was matched to the primary, the corrector acting as a carrier and Dec 4, 2021 · Celestron cpc EdgeHD 1100 corrector plate broken - posted in Cats & Casses: Hi. I plan on doing it with the ASIAIR Plus in focus mode, where I will see an image of the out-of-focus star every 1/2" and check the out-of-focus star in both directions (too far and too close). Nov 16, 2022 · C8 EdgeHD Corrector Plate Alignment & Collimation - posted in Cats & Casses: Hello All, Recently when I was processing one of the DSO I imaged using this scope I found that there is some slight coma on one of the edges and some amount of chromatic aberration. Aside from the fact that the adjustment allen heads were all buggered up and took some time to get out (and then re-tapped the holes and ordered May 7, 2021 · Page 1 of 2 - Edge HD SCT's - posted in Cats & Casses: Kind of wonder if the only difference in the optics of an Edge HD and a regular SCT is the flatner optics in the baffle tube? I have not read anything that stated the primary, secondary or corrector plate was any different. The optical design of each instrument has been individually optimized to provide a flat, coma-free focal plane. Feb 6, 2024 · Almost anyone with an EdgeHD 9. Most likely they are there . Aug 2, 2024 · While trying to colimate my EdgeHD 8" with hyperstar using the hotech sct laser collimator, I observed the corrector plate was slightly off center (hotech displays this as a dot on a target cap that should be centered). Ya'll following this so far? Oct 18, 2024 · Should my EdgeHD 9. Exposed refractor objective lenses or Schmidt-Cassegrain corrector plates are more vulnerable to dust accumulation. Celestron correctors are all usually a bit different than each other (Meade. Celestron’s FREE planetarium app is an astronomy suite that redefines how you experience the night sky. 25 should plan on purchasing some kind of dew shield. Removal of the corrector plate allowed me to unscrew the secondary mirror assembly from the baffle (on the other side of the corrector plate). Then I could Dec 10, 2021 · Celestron EdgeHD 8" Corrector Plate Install - posted in Cats & Casses: I purchased a used EdgeHD 8. tries to hold them to a more uniform level) so if you break one any try to. You must remove all the broken glass. This is to inform anyone that might happen into a similar unfortunate situation about what they might experience, should you also feel that having a corrector factory-replaced might be the best path to take. 25 came today, but there seems to be a decent amount of dust inside the telescope. This is how I managed to clean it. Each EdgeHD optic produces sharp images to the edge of the view with Sep 23, 2018 · Aligning the Schmidt plate may be crucial for getting appropriate field correction with not only the hyperstar but the 0,7 reducer from celestron for the edge hd series. Servicing time approx 14 Nov 28, 2020 · Cleaning of Corrector Plate of CPC EdgeHD 1100 - posted in Celestron Computerized Telescopes: Hi all. I checked all the website and YouTube video to clean corrector plate of my Celestron cpc EdgeHD 1100. I had been forewarned of Jul 25, 2019 · Swapping 9. I only used the gap from the corrector edge to the cell edge for reference. If so I would buy his, move the plate over and sell my other piece. As you all know, its not easy to find and replace the corrector plate of such a high-end telescope. u don Apr 3, 2023 · This video shows the best way to remove water spots from a mounted SCT corrector plate when water spots cover most or all of the surface. Let me know if there’s anything I’m doing wrong. May 3, 2023 · Edge HD frontplate ? - posted in Cats & Casses: Hello fellow astonomers, I read on several forums that the glass front plate/corrector plate of an Edge HD absolutely should not be rotated or it would give problems with image quality. I recenter all the secondaries except the C5 & Edge 8. 25 corrector plates - posted in Cats & Casses: So I recently purchased a used 9. It’s not very dirty but looks like dust particles but not blowing off, in the light it looks almost like it has a very slightly greasy appearance Dec 11, 2022 · Glad it helped Michael. I own a non-Edge C11 & C9. Does Celestron replace corrector plates? If so, is the cost so close to the cost of a new unit that its not worthwhile? Jul 3, 2021 · I put a couple of the screws back into the corrector plate loosely to hold it making sure it did not fall off. And after a while I figured out that it wasnt collimated properly either. The position of the C11 Edge corrector plate has more care taken in it's placement than maybe what we are use to with a standard SCT. The glass plate over the lens was actually pretty clean. 25 HD Edge Corrector Plate Issues - posted in Celestron Computerized Telescopes: I had to remove the corrector plate in my 925 as there was a rather sizeable piece of rubber floating around inside the scope - the rubber appears to be a piece of what Celestron used to cushion the sides of the corrector against the side of the scope. . The cardinal, the primary, the essential rule is not to clean too often. I am wondering if the 'for hyperstar' part actually meant when using an older non edge model WITH the hyperstar and camera in place. Aug 14, 2021 · Brand New C9. 25 Edge HD fornt dust cover won't twist on - posted in Cats & Casses: Hello, I was so very excited to unbox my new C9. This made it harder to remove the dried film in those areas (minor issue). It was visibly out of alignment with the optical axis. Loosen. Unfortunately, I was immediately concerned that the corrector plate dust cover was off and freely moving around in the shipping bag (fortunately no scratches to corrector plate). Dec 11, 2022 · Glad it helped Michael. See the Universe in HD EdgeHD is an aplanatic, flat field Schmidt-Cassegrain telescope that produces aberration-free images across a wide visual and photographic field of view. Is this typical for a new telescope from Celestron? Seems like a lot of money for poor quality control. I ordered a new gasket from Starizona. Servicing time approx 14 Aug 4, 2017 · It just kinda sits on the bottom edge of the corrector plate, with a 1 inch gap from the top of the mask to the top of the corrector plate. Oct 1, 2020 · Problem is, to get the best possible performance, one uses tools like autocollimation interferometry, multi-field wavefront characterizations, software solves for what to tweak, and deterministic adjustments on the components. It was invented by Bernhard Schmidt in 1931 although it may have been independently invented by Finnish astronomer Yrjö Väisälä in 1924 (sometimes called the Schmidt-Väisälä camera). 25 EdgeHD I have has 4 sunken hex head grub screws around the circumference of the corrector that appear to be for this purpose. By mistake my Celestron cpc EdgeHD 1100 corrector plate got broken and needs replacement. 25 come collimated? - posted in Cats & Casses: I was excited that my Edge 9. Oct 20, 2022 · I have considerable doubt that Celestron hand figure the corrector plates, they are too weak in optical power to make it suitable for hand figuring. This model is compatible with all Celestron 9. Apr 17, 2020 · The objective is to adjust the corrector plate using the screws on the outside of the optical tube (for Edge only scopes) until the ring of the corrector plate is centered. 25 Edge HD was assembled, the front retaining ring was screwed tightly into the Fastar housing and the Fastar housing was just loosely screwed to the mirror baffle tube. The new Edge High-Definition Telescope Series by Celestron features an Aplanatic (Corrected) Schmidt optical system. - posted in Cats & Casses: I spent a little quality time today with my corrector plate. Jul 13, 2021 · It's been nearly 6 years since I bought my Celestron 11" EdgeHD telescope and I've noticed the inside portion of the corrector plate somehow got dirty. Jun 12, 2016 · I've never removed the corrector plate from a C11 Edge, but I have been in ongoing warrantee discussions with Celestron, and have learned a little about the corrector plate from that. then take pieces of the shim paper and fold them and then slide them in gently between the edge of the corrector and the ota housing. Ill reserve any Edge HD 1400 Edge HD 1100 Edge HD 925 Edge HD 800 FIGURE 1. Jun 19, 2012 · primary/secondary/corrector combinations) until they get a system that nulls. The corrector is not in focus, dirt and fingerprints can't be seen using in the eyepiece. When I reached out to Celestrons technical department, they Oct 12, 2019 · Page 1 of 2 - Scratche on a used celestron edge hd 11'' corrector plate - posted in Cats & Casses: Hello, Ive just bought a used CPC deluxe edge hd 1100. The corrector should come right out. Celestron does not do/did not do a great job centering the secondary on the non-Edge scopes. A Replacement "corrector plate" lens for Celestron C6 both standard & Edge HD. How it got there is a semi-long story. The mirror is safely stored in a protective holder while outside the telescope. Last week when I went to remove the Hyperstar to replace the secondary mirror, rather than the Hyperstar unscrewing the internal thread of the secondary mirror holder unscrewed from the corrector plate. There is a local guy selling a 9. I imagine one would back them off by equal amounts to remove the corrector, then firm them by equal amounts during reassembly. Dec 21, 2024 · C8 corrector replacement? - posted in Cats & Casses: Recently I acquired a Celestron SE mount and an 8 inch Edge HD optical tube with a shattered corrector. Nov 22, 2022 · I believe the solution is a simple design change that allows the removal of the corrector cell intact with the corrector plate. Lots of advice on the net about ways to clean it. I adjusted the gap to be exactly the same at each of the small grub screws. Our First Contact Po CPWI Software. In this case, though, the owner wanted to know if an unmatched pair would produce a scope that would be good - enough - for visual use. This lifts out of a holder in the corrector plate (which also holds the baffle tube on the inside of the corrector plate). I did not have before/after pictures of the camera. They are visible only when corrector plate is removed. replace it with a surplus corrector or one from another scope, it usually makes Jul 28, 2010 · The baffle tube and the Fastar housing remain in place, one screwed into the other, each held securely against the corrector plate. I have also owned non-Edge C8, two C6 and a C5. The optical system was designed to reduce more than just off-axis star coma; it also provides an astrograph-quality flat focal plane all the way to the edge of the field Apr 13, 2021 · Page 1 of 3 - EdgeHD Corrector Plate Removal reveals Poor Celestron Tooling ? - posted in Cats & Casses: So after summoning up the courage, I finally got around to removing the corrector plate on my 8” EdgeHD, cleaning necessary, really bad water stains on the interior of the corrector (made the mistake of leaving it outside under a supposedly breathable cover) . kzmlpvl pskond xzjmyp kixonk adlm weosi qdy tppsmt dxg fazlfe