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Old 24-05-2022, 05:53 PM
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bojan
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Join Date: Jul 2006
Location: Mt Waverley, VIC
Posts: 7,109
After covid era and my C11 in Mt Pleasant (while I was stuck in Melbourne), I finally fount the time to test various distances (on star field near Proxima).
Images were taken with above mentioned adapter, with 4 mm spacer and standard (11 mm) EOS adapter, so the flange-to-flange distance varied between 59 and 68 mm.

I can't see any significant differences in image quality at corners of APS sensor (it is terrible) and 1/2 way off the centre (so~so) so I'm guessing I will use it only for faint and small objects and crop out the rest.
Are there any good experiences with this FF/FR?
Attached Thumbnails
Click for full-size image (Corner.jpg)
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Click for full-size image (Closer to centre.jpg)
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Click for full-size image (Proxima_c.jpg)
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Last edited by bojan; 25-05-2022 at 06:35 AM.
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