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<blockquote data-quote="hark" data-source="post: 659872" data-attributes="member: 13196"><p>George, just so Yan Lauzon understands the <strong><em>why</em></strong> behind the focal length selections, the widest possible (but not a fisheye) is to capture the entire Milky Way in one shot, yes? Anything longer might cut off part of it, wouldn't it?</p><p></p><p>And for the solar images, the longest telephoto lens possible is to keep from having to crop away too much of the image? </p><p></p><p>What type of solar filter did you use for your sun photos? For some reason, I keep thinking of the Marumi DHG ND-100000 Solid Neutral Density 5.0 Solar Eclipse Filter (16.5 Stops). There is also one made by Hoya, but I thought I read an article on the Marumi--can't remember who wrote it--possibly PetaPixel or F/Stoppers. Do you know anything about this filter? At some point, I might get one. The Hoya doesn't have any reviews which makes be skeptical to get it (simply don't want to be guinea pig). </p><p></p><p>Marumi Solar Filter: <a href="https://www.bhphotovideo.com/c/product/1299067-REG/marumi_amdn01on_77mm_solar_eclipse_filter.html" target="_blank">https://www.bhphotovideo.com/c/product/1299067-REG/marumi_amdn01on_77mm_solar_eclipse_filter.html</a></p><p></p><p>Hoya Solar Filter: <a href="https://www.bhphotovideo.com/c/product/1333826-REG/hoya_xpd_77nd100000_pro_nd100000_solar_filter.html" target="_blank">https://www.bhphotovideo.com/c/product/1333826-REG/hoya_xpd_77nd100000_pro_nd100000_solar_filter.html</a></p></blockquote><p></p>
[QUOTE="hark, post: 659872, member: 13196"] George, just so Yan Lauzon understands the [B][I]why[/I][/B] behind the focal length selections, the widest possible (but not a fisheye) is to capture the entire Milky Way in one shot, yes? Anything longer might cut off part of it, wouldn't it? And for the solar images, the longest telephoto lens possible is to keep from having to crop away too much of the image? What type of solar filter did you use for your sun photos? For some reason, I keep thinking of the Marumi DHG ND-100000 Solid Neutral Density 5.0 Solar Eclipse Filter (16.5 Stops). There is also one made by Hoya, but I thought I read an article on the Marumi--can't remember who wrote it--possibly PetaPixel or F/Stoppers. Do you know anything about this filter? At some point, I might get one. The Hoya doesn't have any reviews which makes be skeptical to get it (simply don't want to be guinea pig). Marumi Solar Filter: [URL]https://www.bhphotovideo.com/c/product/1299067-REG/marumi_amdn01on_77mm_solar_eclipse_filter.html[/URL] Hoya Solar Filter: [URL]https://www.bhphotovideo.com/c/product/1333826-REG/hoya_xpd_77nd100000_pro_nd100000_solar_filter.html[/URL] [/QUOTE]
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