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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Low Light Scopes & Magnification Qs for the Gurus!
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<blockquote data-quote="LouBoyd" data-source="post: 549570" data-attributes="member: 9253"><p>I have one of the Burris "Signature Select" 4-16X44s. It's a good scope though I'm not "blown away" by it. Optically it does what it's supposed to do. Scope manufacturers treat their skilled optical engineers well, but they don't live forever and they can change companies. Not all scopes from a given company have equally good designs. Burris does have good optical engineers, though I'd question if their mechanical designers are also shooters. I own about an equal number of Burris and Leupold scopes. More of either of those brands than other brands combined. Personally in selecting a riflescope I'm much more concerned with aiming the rifle quickly and precisely than having picture window views. If I want to search the landscape I use binoculars which have a much greater field of view for the same magnification. </p><p></p><p>In comparing and terrestrial scopes there are many variables. One of the most important which few manufacturers even mention and none I know of actually specify is the loss of contrast (as opposed to brightness) caused by internal reflections within and between the various lenses. The amount of light lost is far less important than whether the lost light is absorbed or ends up spread over the image. It's difficult to specify or to make definitive tests but its most noticeable when looking at a relatively dark field like the side of a mountain not directly illuminated by the Sun while looking in the general direction of the Sun but with the Sun's image not visible in the field of view. </p><p></p><p>No commercially available rifle scopes can correct for atmospheric scintillation, absorption, or scattering which can vary a lot and change rapidly with time. Unless scopes are compared side by side in identical conditions visual impressions can be very misleading. Most scopes give their best visual resolution close to sunrise and sunset as long as there's enough light for your eyes to not be the limiting factor. Without direct solar illumination atmospheric scintillation drops dramatically.</p></blockquote><p></p>
[QUOTE="LouBoyd, post: 549570, member: 9253"] I have one of the Burris "Signature Select" 4-16X44s. It's a good scope though I'm not "blown away" by it. Optically it does what it's supposed to do. Scope manufacturers treat their skilled optical engineers well, but they don't live forever and they can change companies. Not all scopes from a given company have equally good designs. Burris does have good optical engineers, though I'd question if their mechanical designers are also shooters. I own about an equal number of Burris and Leupold scopes. More of either of those brands than other brands combined. Personally in selecting a riflescope I'm much more concerned with aiming the rifle quickly and precisely than having picture window views. If I want to search the landscape I use binoculars which have a much greater field of view for the same magnification. In comparing and terrestrial scopes there are many variables. One of the most important which few manufacturers even mention and none I know of actually specify is the loss of contrast (as opposed to brightness) caused by internal reflections within and between the various lenses. The amount of light lost is far less important than whether the lost light is absorbed or ends up spread over the image. It's difficult to specify or to make definitive tests but its most noticeable when looking at a relatively dark field like the side of a mountain not directly illuminated by the Sun while looking in the general direction of the Sun but with the Sun's image not visible in the field of view. No commercially available rifle scopes can correct for atmospheric scintillation, absorption, or scattering which can vary a lot and change rapidly with time. Unless scopes are compared side by side in identical conditions visual impressions can be very misleading. Most scopes give their best visual resolution close to sunrise and sunset as long as there's enough light for your eyes to not be the limiting factor. Without direct solar illumination atmospheric scintillation drops dramatically. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Low Light Scopes & Magnification Qs for the Gurus!
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