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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
40mm vs. 50mm
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<blockquote data-quote="rickg" data-source="post: 18695" data-attributes="member: 678"><p>There is no such thing as "light gathering". There is only light transmission. The objective diameter is governed by the type and magnification of the scope. The goal is to supply the proper exit pupil diameter through out the power range. Just because a scope has a 50 doesn't mean it put more light on your eye, could be the opposite. The criteria I use are coatings and exit pupil.</p><p></p><p>The same is true about a 30mm vs 1" tube. You can't ***-ume anything about the quaility of the scope because of the objective or tube size, might be sales gimmicks!</p><p></p><p>[ 08-24-2002: Message edited by: rickg ]</p></blockquote><p></p>
[QUOTE="rickg, post: 18695, member: 678"] There is no such thing as "light gathering". There is only light transmission. The objective diameter is governed by the type and magnification of the scope. The goal is to supply the proper exit pupil diameter through out the power range. Just because a scope has a 50 doesn't mean it put more light on your eye, could be the opposite. The criteria I use are coatings and exit pupil. The same is true about a 30mm vs 1" tube. You can't ***-ume anything about the quaility of the scope because of the objective or tube size, might be sales gimmicks! [ 08-24-2002: Message edited by: rickg ] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
40mm vs. 50mm
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