Some of us gotta start somewhere mate !! What part of ongoing don't you understand ?? .
When was the last time you viewed Sirius at 400x with a 102mm f10 achro >> didn't think so , please keep remarks like this snobbery out until its finished
can you ? .
Brian.
Quote:
Originally Posted by Wavytone
40X is meaningless and against blue sky even more so.
I was hoping to see a comparison at more like 150-200X and ideally 300X (Dawes limit is X80 per inch of aperture).
A photo of Sirius or Rigel from each at the sharpest focus in enough detail to show diffraction rings would be ideal.
|