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Interview with the new head of Zeiss Sports Optics
This is not universally true, although it does apply to some binocular families such as the Swarocski SLCs and Meopta Meostars which use scaled eyepiece designs for different magnifications. There the eye lens diameter and eye relief diminish progressively with increasing magnification. With... -
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Interview with the new head of Zeiss Sports Optics
Discounting deliberate misinformation, linguistic contortions of that sort are probably the pinnacle. I just read a complaint by the editor of a watch magazine that those responsible for manufacturers' press releases often don't understand what they are talking about. All too often the case with... -
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Interview with the new head of Zeiss Sports Optics
Hi Henning, Agree, there's a lot of "fachchinesisch" on the English Wikipedia site, but the German site suggests that up to 12% of women have an orange or yellow receptor between the green and red. John -
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Interview with the new head of Zeiss Sports Optics
Perhaps Troubadoris has a fourth colour receptor, and Chosun too? John -
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Interview with the new head of Zeiss Sports Optics
Sorry, I just suffered a misfire - pre-ignition! In fact, the additional lenth of the A-K would necessitate a larger prism aperture, even longer glass path and additional weight. John -
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Interview with the new head of Zeiss Sports Optics
Agree on the balance issue, but as the glass path of an A-K prism is 5,2 times the aperture as against 4,62 for S-P (quoting Holger Merlitz here), the former could get away with a slightly longer focal length in the same housing, and consequently a "slower" focal ratio. The glass path in the...