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General photography questions and answers: Discuss Slow image buffering...Hello, I have a trouble again. Yesterday went out for some long exposures night shots. But had a disappointment after ...
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Old 15-08-2008, 07:55   #1 (permalink)
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Slow image buffering

Hello,
I have a trouble again. Yesterday went out for some long exposures night shots. But had a disappointment after first image. To see actual capture I have to wait now for at least 10 sec after shutter is closed. It never happened before, I used to see results straight after image capture. I use Ultra 2 cards. Tried different cards, same story.
Maybe I have set something wrong in camera, but I hope someone has ideas on this.
Thnaks.
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Old 15-08-2008, 08:27   #2 (permalink)
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Re: Slow image buffering

If you are using the camera's built in long exposure filter then you will have to wait the length of time that the exposure was before you get any preview. This is because the camera 'takes' a second blank shot automatically straight after and then compares the noise in that with the same in the first. It then subtracts the two leaving you with one very noise free image, the only disadvantage to this wonderful technology is that it takes twice as long for each shot.

This function can be turned off in the custom functions if you prefer. Hope that helps
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Old 15-08-2008, 11:05   #3 (permalink)
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Re: Slow image buffering

Spot on with what Steve said. This is a common 'problem' that people find until they know about this CF. Turn that off and you'll have no probs

Cheers,
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Old 15-08-2008, 14:31   #4 (permalink)
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Re: Slow image buffering

Having done some 10 min + night exposures, I never managed to tell the difference between images with and without long exposure NR, so turned it off
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Old 15-08-2008, 14:35   #5 (permalink)
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Re: Slow image buffering

+4 With Steve an Rob an Mike on this, I use to use "long exposure noise reduction" as an in camera function for reducing noise on long exposures-and it dose take the same amount of time after the shot has been taken before it appears on the screen-think it was enabled for shots of 1sec or longer, i would try turning this function off if you shoot in RAW as I did and after comparing shots with and without it turned on I decided to leave it turned off as there was no noticeable difference to the shots! your camera may be different to mine but I get almost no noise at all in shots up to 30secs long at iso 100 an noise reduction turned off as long as the shot is not under exposed-hope this helps!
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Old 17-08-2008, 09:30   #6 (permalink)
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Re: Slow image buffering

Hi guys,
Thanks for response. Sorry for delay with answers. Now with your help things are sorted. Don't know when I managed to set this setting Thnaks again.
Regards Armand
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Old 20-08-2008, 13:31   #7 (permalink)
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Re: Slow image buffering

This has answered a question I didn't even know I had - note to self - check book to see if I can turn off on my pentax k10
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