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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Question about exit pupil for scopes with really high magnification.
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<blockquote data-quote="Bravo 4" data-source="post: 1041517" data-attributes="member: 8873"><p>I didn't want to hijack the thread about the 8-80x56mm March scope so I started this one.</p><p>If it's supposed to be a simple formula of dividing the power magnification into the objective lens size to get the exit pupil number, do these scopes have a negative number? If an exit pupil number of 7 is about as good as it gets for the average human eye then how would these scopes fare?</p><p>Is it simply like putting a reticle/erector tube and some turrets on a spotting scope? I've seen spotting scopes that appeared to be higher powered riflescopes (reticle and all) just without turrets.</p><p></p><p>One more question I would like your opinion on; why don't they make a LR/ELR laser range finder built into a spotting scope? I mean the main benefit of having magnification in a riflescope is so the shooter can have a finer aiming point on a target, and besides beam divergence one of the biggest gripes from the long range crowd is precise aiming (especially smaller targets at extended ranges).</p><p>Maybe I'll send Aaron Davis an email and get his take on it from an engineer's perspective. As a matter of fact, I know another engineer on this site and will send him an email. I can see these being rather expensive, considering the cost of a good spotter combined with the cost of a good range finder.</p></blockquote><p></p>
[QUOTE="Bravo 4, post: 1041517, member: 8873"] I didn't want to hijack the thread about the 8-80x56mm March scope so I started this one. If it's supposed to be a simple formula of dividing the power magnification into the objective lens size to get the exit pupil number, do these scopes have a negative number? If an exit pupil number of 7 is about as good as it gets for the average human eye then how would these scopes fare? Is it simply like putting a reticle/erector tube and some turrets on a spotting scope? I've seen spotting scopes that appeared to be higher powered riflescopes (reticle and all) just without turrets. One more question I would like your opinion on; why don't they make a LR/ELR laser range finder built into a spotting scope? I mean the main benefit of having magnification in a riflescope is so the shooter can have a finer aiming point on a target, and besides beam divergence one of the biggest gripes from the long range crowd is precise aiming (especially smaller targets at extended ranges). Maybe I'll send Aaron Davis an email and get his take on it from an engineer's perspective. As a matter of fact, I know another engineer on this site and will send him an email. I can see these being rather expensive, considering the cost of a good spotter combined with the cost of a good range finder. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Question about exit pupil for scopes with really high magnification.
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