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Hi All, As I'm looking at this scope, I'm trying to judge how it'll perform with a full frame image sensor like the ASI6200 Their website notes that with the flattener, a corrected image is 43mm. (which would mean some tiny portion of vignetting)
Does anyone have direct experience with this setup that could chime in? |
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I have used mine a couple times with my QHY410C full frame camera. You do have to crop out the corners a bit. Here is a master flat in that configuration. And a link to the image the flat was used for. My SVX102T is a little older model with a 2.5inch focuser so your results may be just a bit better with your larger focuser. https://www.astrobin.com/cmsity/ CS, Jeff  |
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Jeff Reitzel: Thanks Jeff, I’m definitively searching for something that doesn’t vignette and even better has near full illumination at the corners. how has your experience been otherwise? |
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Nick, I'm not a fan of the vignetting either but I wanted to try that combination to see how it worked. Honestly I just use my SVX102T with the reducer and an APS-C mono cam. The 102T is a wonderful scope for sure in that configuration! I have been checking out the Askar500 as an alternative 4 inch that has a huge corrected imaging circle and doesn't break the bank. Maybe someone has some experience with something like that will chime in. I have an Edge 11 and a Stellarvue SVX127D that both fully illuminate the full frame sensor so that is where it is used. CS, Jeff |
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Jeff Reitzel: I’m currently looking at the Askar 600/5.6 108 with a .7 reducer for myself. I’d also be interested in feed back on this as well. https://agenaastro.com/askar-108mm-f-5-6-quintuplet-petzval-flat-field-astrograph-fra600.html I know many like the Askar line of astrographs but I’m sure there have to be hit and miss’s on every type of scope on the market. Dale |
