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Reply #5: im going to try again in a week or so
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rdking647
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Thu Aug-18-11 04:47 PM
Response to Reply #4 |
5. im going to try again in a week or so |
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i learned an important tip form another forum. To avoid star trails you should use an exposure no longer than 600/effective focal length.
so for a 50mm lens on a d7000 I need an exposure of 8 seconds or less. with my fish eye thats 38 seconds and with my big 300mm thats 1.3 seconds.
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