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Optics for aging eyes
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<blockquote data-quote="J E Custom" data-source="post: 1667082" data-attributes="member: 2736"><p>It is a fact that the more power with the same objective diameter, the less light gathering ability the scope has. In Europe where the weather is more often bad and the light is poor most of their scopes are low power and normally the need for big objectives is a non issue. also hunting distances are normally less that 400 yards.</p><p></p><p>I personally Have never looked through a 50 power rifle scope so I cant imagine what the light gathering in poor light would be like. The most power I ever looked through was a 32 power Lyman for target shooting and it looked good in good light.</p><p></p><p>Some Scope manufactures list their scopes light transferring ability. and as long as it is correct (Not False Hype) 95% and up is what you want. The quality of the lens and the protective coating has the most effect on light gathering ability. So if you can find this number, It will be a good indication of its ability.</p><p></p><p>The big power spotting scopes deal with this by installing 80 mm+ objective lens. (Not practical for rifle scopes). But Price does have a direct bearing on lens quality, so to a point the price does contribute to the light gathering ability. But at some point the gain is not worth the price increase. In some cases I have looked through some 4,000 dollar scopes and could not discern the difference if there was any.</p><p></p><p>Picking a scope is kind of like picking a load, A lot depends on what you need.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1667082, member: 2736"] It is a fact that the more power with the same objective diameter, the less light gathering ability the scope has. In Europe where the weather is more often bad and the light is poor most of their scopes are low power and normally the need for big objectives is a non issue. also hunting distances are normally less that 400 yards. I personally Have never looked through a 50 power rifle scope so I cant imagine what the light gathering in poor light would be like. The most power I ever looked through was a 32 power Lyman for target shooting and it looked good in good light. Some Scope manufactures list their scopes light transferring ability. and as long as it is correct (Not False Hype) 95% and up is what you want. The quality of the lens and the protective coating has the most effect on light gathering ability. So if you can find this number, It will be a good indication of its ability. The big power spotting scopes deal with this by installing 80 mm+ objective lens. (Not practical for rifle scopes). But Price does have a direct bearing on lens quality, so to a point the price does contribute to the light gathering ability. But at some point the gain is not worth the price increase. In some cases I have looked through some 4,000 dollar scopes and could not discern the difference if there was any. Picking a scope is kind of like picking a load, A lot depends on what you need. J E CUSTOM [/QUOTE]
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