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Binoculars & Spotting Scopes
Binoculars
Pocket binos for eyeglass wearer? 7x maybe?
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<blockquote data-quote="Binastro" data-source="post: 3360314" data-attributes="member: 111403"><p>The coatings on the 6x18 are single blue and uncoated surfaces.</p><p>The 6x20B has better coatings but obviously loses a lot of light.</p><p>I suppose both are equally unsophisticated.</p><p></p><p>The 6x18 is bulkier and a bit heavier.</p><p>It was waterproof. I don't know if it still is.</p><p></p><p>The 6x18 is more practical. The curved field means you never have to refocus the two eyepieces.</p><p></p><p>My friend uses it when flying a Cessna.</p><p></p><p>Orion nebula quite a lot better in Pentax than Zeiss. Pentax obviously brighter.</p><p></p><p>Zeiss field, first measure 6.5 deg.</p></blockquote><p></p>
[QUOTE="Binastro, post: 3360314, member: 111403"] The coatings on the 6x18 are single blue and uncoated surfaces. The 6x20B has better coatings but obviously loses a lot of light. I suppose both are equally unsophisticated. The 6x18 is bulkier and a bit heavier. It was waterproof. I don't know if it still is. The 6x18 is more practical. The curved field means you never have to refocus the two eyepieces. My friend uses it when flying a Cessna. Orion nebula quite a lot better in Pentax than Zeiss. Pentax obviously brighter. Zeiss field, first measure 6.5 deg. [/QUOTE]
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Binoculars & Spotting Scopes
Binoculars
Pocket binos for eyeglass wearer? 7x maybe?
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