40 / 42mm objective vs 50mm

M_freeman

Well-Known Member
Joined
Aug 10, 2009
Messages
92
The only advantage I can see of a 50mm objective over 40/42 would be only when using higher magnifications at longer ranges in very low light. Reason being is the lower magnifications will allow more light than the eye can process even with the 40 / 42 mm objectives. So if I am right there is a very small advantage to using a 50mm scope as the 40 / 42 mm would cover all the legal hunting situations anyway. Can you guys set me right or wrong here?
 

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