Author: zex
Subject: If everything is equal is bigger scope brighter?
Posted: September/19/2013 at 01:17
Hi
Subject: If everything is equal is bigger scope brighter?
Posted: September/19/2013 at 01:17
Hi
A general question.
If everything is equal, lets say all swarovski scopes. If the exit pupil is set to be the same size why are 50 objective brighter than 24 or 32 in dusk?
Example:
3-9x42 set at 6 power s 7mm exit pupile
8x56 is 7mm exit pupile
Why are larger objective brighter dusk even if a smaller objective is set for larger exit pupile?
My larger variables 50 and 56 always appear much brighter than 24 and 32 even if smaller are set for 1 or 2mmm larger exit pupile and should hence take in more light.
Many optic articles just state the fact but nobody explains it.
Thanks in advance