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Photography Q&A
Night-time Exposure Problems
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<blockquote data-quote="Naad47" data-source="post: 615826" data-attributes="member: 43549"><p>Hi Everyone,</p><p></p><p>As it turned out, I wasted 2 hours after midnight last night taking 200 pics of the lovely night sky, only to find that when I went to my D7100 this am to process the pictures to create a star trail, I found that after the first 7 exposures, the next 30 were underexposed, then I would get one at the correct exposure, then another 30 underexposed and so on.</p><p></p><p>I was using my 18-55 lens set on manual, Camera mirror up, a user setting on the camera that has an ISO of 5000, the aperture at 3.5 and the exposure at Bulb. I then have a remote intervalometer that is set to take a 30sec exposure picture with a delay of 7 seconds between each. </p><p></p><p>Any ideas as to why after the first few, I would get only 1 in 30 ok ?</p><p></p><p>Thanks, Nige.</p></blockquote><p></p>
[QUOTE="Naad47, post: 615826, member: 43549"] Hi Everyone, As it turned out, I wasted 2 hours after midnight last night taking 200 pics of the lovely night sky, only to find that when I went to my D7100 this am to process the pictures to create a star trail, I found that after the first 7 exposures, the next 30 were underexposed, then I would get one at the correct exposure, then another 30 underexposed and so on. I was using my 18-55 lens set on manual, Camera mirror up, a user setting on the camera that has an ISO of 5000, the aperture at 3.5 and the exposure at Bulb. I then have a remote intervalometer that is set to take a 30sec exposure picture with a delay of 7 seconds between each. Any ideas as to why after the first few, I would get only 1 in 30 ok ? Thanks, Nige. [/QUOTE]
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