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[Astro] Trouble with Sony A6000 + FE 200-600mm G OOS

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Hi Everyone, I recently purchased an FE 200-600mm G OSS lens for wildlife and astrophotography with my Sony a6000 camera. While this lens provides excellent zoom capabilities, I am seeing weird white/blue circles around all my Astro pictures (see below). I am not sure if this is an issue with the lens or the APS-C camera (or the combination of the two). I will much appreciate if someone can provide any pointers to help me fix this problem. Thanks in advance.


Edited by taonight
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Hi Pieter, thanks for responding to this post. I was doing a regular curve stretch in post. I read on DPReview (https://www.dpreview.com/forums/post/62199570) that Sony applies some sort of correction profile to RAW images which causes similar patterns to pop up in post. I am not sure if that is what is causing my images to have these circles. I have turned off all the "Lens Comp" options (Shading comp, Chro. Aber. Comp. and Distortion Comp.) on my A6000. 

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  • 5 months later...

Hi taonight,

this is frustrating! Sony SEL200600G with A6000 is not a general problem. I use this setup as well and don't see any abnormal patterns (even if I push the exposure to the maximum and see almost only noise). I also use the full-frame Sony A7R with the SEL200600G lens and I don't see any patterns.

The picture shows one of my first asotrophotos with this setup - also the Andromeda-Galaxie M42, 28x40s F5.6 ISO-800 600mm.

I would recommend trying a different stacking software or maybe a different RAW converter. Do you have the possibility to test the lens with another Sony E-mount camera?


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