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Photography, Digiscoping & Art
Cameras And Photography
Canon
7d soft focus issue
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<blockquote data-quote="tdodd" data-source="post: 1861399" data-attributes="member: 55450"><p>Richard, I've now looked at the EXIF for your tern. Given you are using the 400/5.6L I'm not sure why you would shoot at f/8 instead of f/5.6, since certainly lens IQ wide open should not be an issue. That would buy you a stop on the ISO straight away. Also, for a 400mm lens a shutter speed of 1/2500 should be all you need for sharp 7D shots viewed at 100%, unless you are especially shakey. That would buy you over a stop again on your ISO, but quite frankly I would think that 1/1600 would be plenty with a little skill and/or a little luck. Certainly in my experience I think 1/6400 would be vast overkill for most people. Shooting at 1/1600 would buy you a further 2 stops on your ISO and you'd be at 100 ISO. Of course, you were about a stop underexposed with your settings so bumping the ISO to 200 would have that sorted, or lowering shutter speed to 1/800 if you are brave.</p><p> </p><p>I also note that you are using DPP for your raw processing. You have high ISO NR set to "Standard", which will lose some detail (create softness) in its efforts to combat noise. In addition, you are shooting with Portrait picture style, which seems an odd choice, as it is intended to conceal skin blemishes a little and sets sharpening to a rather modest value of 2. 7D files usually do require a little more sharpening than other Canon cameras and can take sharpening well, if the files are clean. I suspect there is opportunity to improve your results with an adjustment to your processing workflow, but nailing that exposure and using a more sympathetic combination of exposure parameters should have the greatest impact.</p><p> </p><p>Finally, I'm not quite sure what is going on with your colour space settings. According to DPP you are using Adobe RGB (why?) but my EXIF viewer says the colour space is uncalibrated. Now I'm no expert on the topic but I think you'll find that some browsers and software will not display your files correctly if you use Adobe RGB colour space and/or if the software cannot tell which colour space you have used (especially if it was Adobe RGB). sRGB is the standard for display on the web and most consumer print shops will expect sRGB files. Indeed, the colour rendering of your file is different in Internet Explorer compared to DPP and Lightroom, looking a little dull and flat by comparison. Is there a good reason you appear to be using Adobe RGB?</p><p> </p><p>Oh, and to see what kind of results others are getting from their 7Ds you might like to browse this thread on POTN - <a href="http://photography-on-the.net/forum/showthread.php?t=799284" target="_blank">http://photography-on-the.net/forum/showthread.php?t=799284</a>.</p></blockquote><p></p>
[QUOTE="tdodd, post: 1861399, member: 55450"] Richard, I've now looked at the EXIF for your tern. Given you are using the 400/5.6L I'm not sure why you would shoot at f/8 instead of f/5.6, since certainly lens IQ wide open should not be an issue. That would buy you a stop on the ISO straight away. Also, for a 400mm lens a shutter speed of 1/2500 should be all you need for sharp 7D shots viewed at 100%, unless you are especially shakey. That would buy you over a stop again on your ISO, but quite frankly I would think that 1/1600 would be plenty with a little skill and/or a little luck. Certainly in my experience I think 1/6400 would be vast overkill for most people. Shooting at 1/1600 would buy you a further 2 stops on your ISO and you'd be at 100 ISO. Of course, you were about a stop underexposed with your settings so bumping the ISO to 200 would have that sorted, or lowering shutter speed to 1/800 if you are brave. I also note that you are using DPP for your raw processing. You have high ISO NR set to "Standard", which will lose some detail (create softness) in its efforts to combat noise. In addition, you are shooting with Portrait picture style, which seems an odd choice, as it is intended to conceal skin blemishes a little and sets sharpening to a rather modest value of 2. 7D files usually do require a little more sharpening than other Canon cameras and can take sharpening well, if the files are clean. I suspect there is opportunity to improve your results with an adjustment to your processing workflow, but nailing that exposure and using a more sympathetic combination of exposure parameters should have the greatest impact. Finally, I'm not quite sure what is going on with your colour space settings. According to DPP you are using Adobe RGB (why?) but my EXIF viewer says the colour space is uncalibrated. Now I'm no expert on the topic but I think you'll find that some browsers and software will not display your files correctly if you use Adobe RGB colour space and/or if the software cannot tell which colour space you have used (especially if it was Adobe RGB). sRGB is the standard for display on the web and most consumer print shops will expect sRGB files. Indeed, the colour rendering of your file is different in Internet Explorer compared to DPP and Lightroom, looking a little dull and flat by comparison. Is there a good reason you appear to be using Adobe RGB? Oh, and to see what kind of results others are getting from their 7Ds you might like to browse this thread on POTN - [URL]http://photography-on-the.net/forum/showthread.php?t=799284[/URL]. [/QUOTE]
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7d soft focus issue
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