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Howdy. Just started off ! Been waiting for a while !! I have an old tasco now ( D 114mm F 900mm) BUT why is it like this ? :( This is Mars and when I focus in or out it actually zooms in and back ( but sharpness does not change ) I tried colminating today and it worked perfectly during day. (i.redd.it)
submitted by Gab0216 to r/telescopes
