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The Water Cooler
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<blockquote data-quote="mhphoto" data-source="post: 2993847" data-attributes="member: 6288"><p>A few years ago I bought a big square solar filter sheet for pretty cheap (maybe 15 bucks or so). Then I got a BIG set of step up/step down rings and fashioned my own. It was a little awkward to make but it saved a few hundred bucks I'm sure. I have a catadioptric 500mm f/8.0 (some model that goes under a few different brand names) that I use with two 2.0x telephoto converters, so it's a shaky 2000mm even on a tripod (not even to mention the fact that the sun only stays in from for a short time).</p><p></p><p>The filter makes it possible to compose the shot in both the viewfinder and the live view. And you wouldn't get anywhere close the seeing sunspots even at the fastest shutter speed and smallest aperture plus ND filters. At least I don't remember being able to. </p><p></p><p>The filter size of the lens is 95mm if I'm remembering correctly, so I cut part of the filter sheet to size and glued it to the 95-105mm step up ring. I remember thinking I could maybe sandwich the filter between two different step up/down rings and not have to use glue, but that fell apart pretty quick.</p><p></p><p>Here are a few pics taken with the setup.</p><p></p><p>[ATTACH=full]101782[/ATTACH]</p><p></p><p>[ATTACH=full]101783[/ATTACH]</p><p></p><p>I don't have the originals on this computer so I just grabbed these off Facebook, so they're ridiculously compressed. The original RAW files look much better.</p></blockquote><p></p>
[QUOTE="mhphoto, post: 2993847, member: 6288"] A few years ago I bought a big square solar filter sheet for pretty cheap (maybe 15 bucks or so). Then I got a BIG set of step up/step down rings and fashioned my own. It was a little awkward to make but it saved a few hundred bucks I'm sure. I have a catadioptric 500mm f/8.0 (some model that goes under a few different brand names) that I use with two 2.0x telephoto converters, so it's a shaky 2000mm even on a tripod (not even to mention the fact that the sun only stays in from for a short time). The filter makes it possible to compose the shot in both the viewfinder and the live view. And you wouldn't get anywhere close the seeing sunspots even at the fastest shutter speed and smallest aperture plus ND filters. At least I don't remember being able to. The filter size of the lens is 95mm if I'm remembering correctly, so I cut part of the filter sheet to size and glued it to the 95-105mm step up ring. I remember thinking I could maybe sandwich the filter between two different step up/down rings and not have to use glue, but that fell apart pretty quick. Here are a few pics taken with the setup. [ATTACH=full]101782[/ATTACH] [ATTACH=full]101783[/ATTACH] I don't have the originals on this computer so I just grabbed these off Facebook, so they're ridiculously compressed. The original RAW files look much better. [/QUOTE]
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