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1 inch vs 30mm scopes

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Old 01-29-2013, 01:47 PM
Silver Member
Join Date: Dec 2009
Location: Gardendale, AL
Posts: 182
1 inch vs 30mm scopes

Is there that a big a difference of light transmission between 1 inch and 30mm scope tubes?
Impossible is not a word. It is just a reason for not trying.
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Old 01-29-2013, 02:26 PM
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Join Date: Jan 2012
Posts: 63
Re: 1 inch vs 30mm scopes

From my research into this, the consensus is that the quality of the glass and coatings have more to do with light transmission. The 30mm tube is stronger and allows for a larger adjustment range.
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Old 01-31-2013, 01:56 AM
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Join Date: May 2011
Location: Ventura CA
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Correct. The size of the tube has nothing to do with light transmission or brightness.

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