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Binoculars & Spotting Scopes
Binoculars
Why couldn't a catadioptric or newtonian optical system be used in binoculars?
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<blockquote data-quote="Binastro" data-source="post: 3164848" data-attributes="member: 111403"><p>. The 30×50 Yukon spotting scope as detailed on the Amazon site is generally pretty poor quality, although they vary quite a bit. The price quoted is ridiculous, it should be about 1/10 of this.</p><p>The 30x50 Yukon binocular is not two of these side-by-side but a purpose made folded refractor design.</p><p>The 30x50 spotting scope is just a fairly cheaply made draw tube telescope.</p><p></p><p></p><p>The 6x to 100×100 mm spotting scope is quite different and is a folded refractor, however, originally with a 45° inclined eyepiece but I think later also available in a straight through design. It is quite novel and extremely lightweight. But the housing is some kind of plastic.</p></blockquote><p></p>
[QUOTE="Binastro, post: 3164848, member: 111403"] . The 30×50 Yukon spotting scope as detailed on the Amazon site is generally pretty poor quality, although they vary quite a bit. The price quoted is ridiculous, it should be about 1/10 of this. The 30x50 Yukon binocular is not two of these side-by-side but a purpose made folded refractor design. The 30x50 spotting scope is just a fairly cheaply made draw tube telescope. The 6x to 100×100 mm spotting scope is quite different and is a folded refractor, however, originally with a 45° inclined eyepiece but I think later also available in a straight through design. It is quite novel and extremely lightweight. But the housing is some kind of plastic. [/QUOTE]
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Binoculars & Spotting Scopes
Binoculars
Why couldn't a catadioptric or newtonian optical system be used in binoculars?
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