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#43
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Cmd-Shift-3 on a Mac OS 9x - snaps pict to top level of main HD
PrtScrn on PC for whole window, or ALT-PrtScrn for only active window to copy to clipboard... Cheers, Jason (remove ... to reply) Video & Gaming: http://gadgetaus.com |
#44
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Cmd-Shift-3 on a Mac OS 9x - snaps pict to top level of main HD
PrtScrn on PC for whole window, or ALT-PrtScrn for only active window to copy to clipboard... Cheers, Jason (remove ... to reply) Video & Gaming: http://gadgetaus.com |
#45
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Al Dykes wrote:
In article , wrote: Kibo informs me that Hugh Nagle stated that: Now, I know I could do a screen capture, but I was wondering if anyone had any ideas on how best to photograph a computer screen. It's easy. You'll need a tripod, positioned with the camera as parallel as possible with the screen, & a shutter speed that's an *exact* multiple of the displays refresh rate to prevent dark bars appearing in the photo. Eg: to photograph an American TV screen (60Hz field rate, 30Hz refresh rate), you'd use a shutter speed of 1/30th, 1/15th, etc. It's easier on the brain to just do a really long exposure; a half-frame doesn't matter (much) if you're exposing 60 frames anyway. Tripod and a 1Sec exposure works every time, and I don't need to know the refresh rate. BugBear |
#46
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Al Dykes wrote:
In article , wrote: Kibo informs me that Hugh Nagle stated that: Now, I know I could do a screen capture, but I was wondering if anyone had any ideas on how best to photograph a computer screen. It's easy. You'll need a tripod, positioned with the camera as parallel as possible with the screen, & a shutter speed that's an *exact* multiple of the displays refresh rate to prevent dark bars appearing in the photo. Eg: to photograph an American TV screen (60Hz field rate, 30Hz refresh rate), you'd use a shutter speed of 1/30th, 1/15th, etc. It's easier on the brain to just do a really long exposure; a half-frame doesn't matter (much) if you're exposing 60 frames anyway. Tripod and a 1Sec exposure works every time, and I don't need to know the refresh rate. BugBear |
#47
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bugbear writes:
It's easier on the brain to just do a really long exposure; a half-frame doesn't matter (much) if you're exposing 60 frames anyway. Yes, so 1/2 or 1 second exposure works really well. Tripod and a 1Sec exposure works every time, and I don't need to know the refresh rate. The problem with 15 seconds is that you can get reciprocity failure effects with film or hot pixels showing up with CCD sensors. Plus digital cameras often take 30 seconds to shoot a 15-second exposure because of dark frame subtraction (noise reduction), which is a long time to wait. If there's enough light for a 1 second exposure with reasonable aperture and depth of field (and in my experience there's lots of light), why use 15 seconds and acquire additional problems? Dave |
#48
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bugbear writes:
It's easier on the brain to just do a really long exposure; a half-frame doesn't matter (much) if you're exposing 60 frames anyway. Yes, so 1/2 or 1 second exposure works really well. Tripod and a 1Sec exposure works every time, and I don't need to know the refresh rate. The problem with 15 seconds is that you can get reciprocity failure effects with film or hot pixels showing up with CCD sensors. Plus digital cameras often take 30 seconds to shoot a 15-second exposure because of dark frame subtraction (noise reduction), which is a long time to wait. If there's enough light for a 1 second exposure with reasonable aperture and depth of field (and in my experience there's lots of light), why use 15 seconds and acquire additional problems? Dave |
#49
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bugbear writes:
It's easier on the brain to just do a really long exposure; a half-frame doesn't matter (much) if you're exposing 60 frames anyway. Yes, so 1/2 or 1 second exposure works really well. Tripod and a 1Sec exposure works every time, and I don't need to know the refresh rate. The problem with 15 seconds is that you can get reciprocity failure effects with film or hot pixels showing up with CCD sensors. Plus digital cameras often take 30 seconds to shoot a 15-second exposure because of dark frame subtraction (noise reduction), which is a long time to wait. If there's enough light for a 1 second exposure with reasonable aperture and depth of field (and in my experience there's lots of light), why use 15 seconds and acquire additional problems? Dave |
#50
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