Quote:
Originally Posted by nikanj
f/3
Cons:
-Very sensitive to tilt
-Very sensitive to collimation errors
-Very sensitive to backspacing issues
-Focus is critical
-There are only a couple of filters available on the market pre-shifted for f/3
-f/3 pre-shifter filters cannot be used with either f/2 or f/4 plus systems
Pros:
-Speeeeeeeeeeeed
-f/2 systems are optically faster but have front mounted cameras so you can't use a filter wheel. This means that either you are throwing away 2/3 of the light because of a Bayer filter for OSC or waking up in the middle of the night to switch out filters for mono.
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OR....
Buy another two such systems and stay in bed
Best
JA