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General Photography
Low Light & Night
Astrophotography and Mirror Lock Up
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<blockquote data-quote="goz63" data-source="post: 5282" data-attributes="member: 1557"><p>What advice did you receive on astrophotography shots? Locking the mirror up will reduce the vibration when doing very slow shutter speeds so that the minute vibration of the shutter moving won't cause blurred picture. Longer exposures are used along with a tripod. Some people use the remote as this will reduce the vibration caused my pressing the shutter release also. The D90 has an exposure delay feature that will help with this. I don't have a D40 so can't comment on your camera. The D90 also can't lock the mirror up for anything except cleaning. Hope this helps...</p></blockquote><p></p>
[QUOTE="goz63, post: 5282, member: 1557"] What advice did you receive on astrophotography shots? Locking the mirror up will reduce the vibration when doing very slow shutter speeds so that the minute vibration of the shutter moving won't cause blurred picture. Longer exposures are used along with a tripod. Some people use the remote as this will reduce the vibration caused my pressing the shutter release also. The D90 has an exposure delay feature that will help with this. I don't have a D40 so can't comment on your camera. The D90 also can't lock the mirror up for anything except cleaning. Hope this helps... [/QUOTE]
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General Photography
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Astrophotography and Mirror Lock Up
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