Jupiter II

Well after last night’s astrophotography session with a 400mm f/5.6 lens, and 3× teleconverter, I decided to try again with an even longer optical system. I rummaged a 700mm f/11 telescope and used the same 3× teleconverter, for an effective focal length of 2.1m. This provided almost twice the magnification of last night’s setup, albeitContinue reading “Jupiter II”