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I currently have a Canon T6 with a Opteka 500mm f8 lens ($87) that I use for lunar and solar photography. I recently purchased a full frame Canon EOS R and am thinking about getting a 800mm f11 Canon RF lens ($899). Will the quality on the new canon lens be significantly better than my Opteka lens? Is it worth the upgrade? Also, should I use my new full frame or my crop sensor (1.6 factor) to shoot? I want to get the best quality possible.
By Marv A
On September 18th 2020, I was observing Jupiter through my C8, with 26mm eyepiece and had my Sony A9 attached for eyepiece projection when I noticed the ISS make a pass overhead.
I set my A9 to 1/800 sec and ISO 2000 and was able to capture a pic by hand guiding my guidescope and keeping the ISS on the crosshairs.
I was pleasantly surprised by the outcome, comments welcome at my first attempt at imaging the ISS.