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Keep Shooting! Photography Assignments (04 Feb 2013)
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noise reduction over long exposure
turn off your auto iso setting. put your iso as low as possible 100 or 200, and keep your shutter longer.
I think you have high iso selected, thats why you are having noise.
Bigger is Better
And if that doesn't cut it, if you're a Nikon user, there should be an option in the menu named Long Exposure Noise Reduction (or Long Exp NR). I don't know the Canon equivalent to that option
But more often than not, just having you're ISO set lower should remedy that.
Have another go at this and let us know!
Conclusion: Trial and error, the results are depending on the amount of ambient light. There is no nostrum, sorry
BTW: Here´s a photo with ISO 1000 to keep a fast shutterspeed
Tempodrom von Olaf Kleemeyer auf Flickr
Nikon D700, Nikkor 24mm 1.4, 50mm 1.4, 70-200mm 2.8
120seconds as our friend has done, is not a long time to show that much of noise because of the sensor warming as far as I knew.
There is a link of the guys I am admiring and following on my long exposure tries as knowledge. Those guys are using much longer exposures and there is no noise on theirs. Also Scott kelby a nice long exposure guy taking longer shutters without noise.
You know what came in my mind Right Now. Dude you have to close the viewfinder, to stop light coming from the mirror.
d3s has a lock to close the viewfinder. Notsure if the d700 has. If it does close it, if not put a scotch tape on it.
please try and let us the result. Also keep the ISO low
Bigger is Better
And yes, noise-reduction will lose a ton of details, but that should only be during the post-processing. I think he wants to get it right in the camera, so he doesn't have to worry about the noise while post-processing.
I still say, try lowering the ISO; if you're a Nikon user, look for the Long Exp NR option in your menu.
Let us know if it remedies the noise.
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