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Unable to disable Long Term Noise Reduction in Bulb mode?

Started Sep 18, 2012 | Discussions thread
OP annamon Junior Member • Posts: 46
Re: Unable to disable Long Term Noise Reduction in Bulb mode?

Long Time NR applies dark frame subtraction for reduce noise. If my exposure is 10 minutes, the Long Time NR takes 10 minutes more, and is in this point when cameras is processing. Then, camera make subtraction and save the image to the memory card. In resume, take on picture in this way, takes double time.

Ariston wrote:

the processing time has nothing to do with NR. but is indeed a problem if you shoot multiple shots. the only thing I can advise you is to use a faster card. depending on how long you expose the image, it would still take some processing time, although it would shorten it to what you probably experience with the card that you are using.

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