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nr flashing on top plate


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08-14-2015, 10:48 AM   #1
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nr flashing on top plate
After taking a long exposure say 5 mins it takes about 5 mins again for the preview to show, during which time "nr" flashes on the top plate LCD, is this normal?
08-14-2015, 10:50 AM   #2
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Isn't that the indicator that the dark frame subtraction Noise Reduction is being done? That can be turned off if you do your own noise reduction in post.
08-14-2015, 11:41 AM   #3
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Yes I think that is the case.
If anyone is interested I have been trying out a Machine Mart welders mask replacement glass as an ND filter, it also fits into a Cokin P holder.
A green cast is produced which easily removed and the results are reasonably good.
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