Celestron focal reducer / corrector for Schmidt-Cassegrain telescopes. Reduces C5, C6, C8, C9.25 and C11 telescopes to F/6.3 focal ratio. Supposedly all these problems can be abated with the Celestron f/6.3 reducer/corrector 1480mm focal length, 2.5x less exposure, less coma, which is also relatively inexpensive as far as reducers go. One issue I found before trying the reducer is that there is not much info on using these photographically. This combination focal reducer and field corrector converts the optical systems of f10 Schmidt-Cassegrain telescopes to f6.3 for photographic imaging. Offers a wide field of view with Schmidt-Cassegrain telescopes and reduces exposure time by a factor of 3. Fits both Celestron.
21/11/2017 · Calculating back focus for Celestron 0.63 reducer/corrector - posted in Beginning and Intermediate Imaging: Apologies in advance, Im sure this would have been discussed before but Ive searched to no avail. Could someone help explain how to calculate the optimal back focus/spacing for the Celestron f/6.3 focal reducer/corrector on a 6SE OTA? 26/06/2015 · Page 1 of 2 - Celestron focal reducer--- why the warning? - posted in Equipment: Why does the box containing my new Celestron f/6.3 focal reducer/corrector have a sticker on it stating Warning: Cancer and Reproductive Harm- - P65Warnings. on it? Does the glass contain lanthanum, like my Russian Industar-61 camera lenses? What? 19/03/2015 · The celestron f6.3 reducer is excellent. However i have the zwo camera and the sensor is tiny, so it gives s very small fov with focal lengths over say.
05/08/2016 · Celestron 0.63 Reducer/Corrector Instruction Manual? - posted in Celestron NexStar: I can’t seem to find this on the Celestron Support/Manuals Page, only the 0.7 CGX. Does anyone know where I can find a copy? I seem to have misplaced the paper copy that was in the box. This, added to the inability to utilize longer focal ratios for certain objects, led Celestron to design the four-element, fully multicoated f/6.3 Reducer/Corrector. Results are amazing both visually and photographically. THE 94175 REDUCER/CORRECTOR LENS IS NOT COMPATIBLE WITH CELESTRON EDGEHD OPTICAL SYSTEMS. 07/08/2010 · Page 1 of 2 - Focal Reduction - posted in Celestron NexStar: I know that using a focal reducer expands the FOV through the eyepiece. Does it also reduce the magnification? I also assume that the amount of light that our scopes brings in is NOT reduced. Please correct me if I am wrong. I was wondering this because why not use a focal reducer. Buying from celestron.. We have partnered with Shopatron to offer you the added convenience of being able to buy a range of Celestron products directly from our website. Our online store uses Shopatron to manage our order fulfillment. The Shopatron name assures you that your online shopping experience will be convenient, professional, and. Amazon's Choice for focal reducer celestron. Celestron f/6.3 Reducer Corrector for C Series Telescopes. 4.3 out of 5 stars 91. $112.95 $ 112. 95. Get it as soon as Tue, Sep 24. FREE Shipping by Amazon. More Buying Choices $105.04 10 used & new offers Celestron.7X Reducer.
02/05/2017 · Focal reducers, Backspacing and Optical Distance. Welcome, Guest. Please login or register. Did you miss. Focal reducers, Backspacing and Optical Distance Read 7420 times richardmjordan. This past weekend we used a Celestron f/6.3 focal reducer in front of a 1.25" dielectric diagonal and it worked very nicely. The Celestron.7x Focal Reducer for 8 Edge HD Telescopes works great with all cameras. Reduces focal length to 1422mm. Has 105mm of Back Focus and offers APS-C format support. This focal reducer virtually eliminates tracking problems such as flexure and mirror flop. Increases your focal ratio the Edge HD from f/10 to f/7. Le migliori offerte per Celestron NexStar 8SE 10 Telescope w/focal reducer and finder sono su eBay Confronta prezzi e caratteristiche di prodotti nuovi e usati Molti articoli con consegna gratis! Celestron f6.3 Focal Reducer When using my Celestron CPC925 and Nikon D3200 digital SLR, I could not get the whole of the moon included in 1 shot. This focal reducer has completely solved that problem and the results I have achieved are very sharp with good contrast.
This Meade Series 4000 Focal Reducer cuts telescope focal ratios by a factor of 0.63x, converting f/10 and f/6.3 telescopes into much faster f/6.3 and f/4 instruments respectively. Threads directly onto Schmidt-Cassegrin SCT rear cells. With this Meade Focal Reducer, imaging exposure times. Celestron 0.7x focal reducer lens for Edge HD 8. 406,43 €-3% 419,00 € Celestron Celestron 0.7x focal reducer lens for Edge HD 11. 1 114,53 €-3% 1 149,00 € APM Telescopes APM Riccardi focal reducer 0.75 x small with M63 thread. 395,00 € APM Telescopes APM Riccardi focal reducer 0.75 x large with M82 thread. 495,00 € APM Telescopes. Celestron doesn’t offer a f/6.3 Schmidt-Cassegrain telescope, because the design is impractical, with a large central obstruction, and resulting loss in contrast. This, added to the inability to utilize longer focal ratios for certain objects, led Celestron to design the four-element, fully multicoated f/6.3 Reducer/Corrector.
Focal reducers also reduce field curvature, providing the flat field necessary for astrophotography. Focal Reducers for Schmidt-Cassegrains. The common f/6.3 focal reducer for Schmidt-Cassegrain telescopes was originally designed to compress the existing f/10 light cone down into an area that would cover a 35mm film frame. This nifty optical element shortens the effective focal length of Schmidt Cassegrain telescopes by 37%, converting the standard f/10 optical system to a "faster" f/6.3 system f/7 for the Celestron 14" SCT. The result is a wider field of view, to better frame deep-sky objects. Celestron focal reducer lens with 0.7x compression factor for Edge HD 925 telescopes with 9.25" aperture. Focal reducer makes Edge HD 925 one full F-Stop faster. The Reducer lens.7x focal reducer lens makes your EdgeHD 1400 a full f-stop faster than f/11 and reduces exposure time by half to capture the same brightness of an object. It increases field of view by 43% for better wide-field images.
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