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The Birdforum Digiscoping Forum
Photography using 'Astro' telescopes
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<blockquote data-quote="Paul Corfield" data-source="post: 1763981" data-attributes="member: 19132"><p>In the first image the brightness looks very blown out on the sky so I guess some CA was going to be present as the brightness is quite extreme. Like Fernando says I think it would be less on the ED80. The ED80 is one of those little gems, if the build quality was better it would be up there with some of the better scopes for sure. The CA isn't really present in the other images so I don't think it's a problem to worry about. Try and photograph with the sun behind you where possible and this will give the best image quality. Early morning and late afternoon sun are generally best.</p><p></p><p>With the second image it looks like the cameras white balance has gone off a bit and given the whole image a blue cast. In some instances, especially in sunny conditions it can be better to go for one of the manual settings for white balance and this can control the overall blue cast much better. </p><p></p><p>The fourth image has low contrast, maybe the sun was coming from the side or slightly into the lens and washing out the image?</p><p></p><p>The other two look like they are in darker conditions. I'd go for mirror lock up and cable release and maybe refocus every couple of shots just to be sure the focus was right. I pretty much refocus every shot anyway just out of habit and that way I get many more keepers.</p><p></p><p>Don't know if you shoot in RAW or not but that is a better way to get image quality out of the photo. The cameras built in jpeg mode will generally rob a lot of the detail in its compression.</p><p></p><p>Paul.</p></blockquote><p></p>
[QUOTE="Paul Corfield, post: 1763981, member: 19132"] In the first image the brightness looks very blown out on the sky so I guess some CA was going to be present as the brightness is quite extreme. Like Fernando says I think it would be less on the ED80. The ED80 is one of those little gems, if the build quality was better it would be up there with some of the better scopes for sure. The CA isn't really present in the other images so I don't think it's a problem to worry about. Try and photograph with the sun behind you where possible and this will give the best image quality. Early morning and late afternoon sun are generally best. With the second image it looks like the cameras white balance has gone off a bit and given the whole image a blue cast. In some instances, especially in sunny conditions it can be better to go for one of the manual settings for white balance and this can control the overall blue cast much better. The fourth image has low contrast, maybe the sun was coming from the side or slightly into the lens and washing out the image? The other two look like they are in darker conditions. I'd go for mirror lock up and cable release and maybe refocus every couple of shots just to be sure the focus was right. I pretty much refocus every shot anyway just out of habit and that way I get many more keepers. Don't know if you shoot in RAW or not but that is a better way to get image quality out of the photo. The cameras built in jpeg mode will generally rob a lot of the detail in its compression. Paul. [/QUOTE]
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Forums
Photography, Digiscoping & Art
The Birdforum Digiscoping Forum
Photography using 'Astro' telescopes
New to Astrophotography
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