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Thread: Recording time

  1. #1

    Default Recording time

    Hi Guys,

    i'am just wondering, i tried to take picture at night. i'am using Canon 500D...i set my camera to manual mode and do some setting. i set the exposure to 30 seconds.

    After 30 seconds of exposure, i need to wait another 15-20 seconds for the image recording.

    my question is: is it normal to wait 15-20 seconds after the 30 seconds of exposure? because my friend is using Canon 550D and after the 30 sec. exposure and 2 seconds the image has been recorded.is there an settings to be made on my cam?

    thanks!!!

  2. #2

    Default Re: Recording time

    there is a setting with regards to noise suppression in long exposure.
    turn it off and recording time will be faster.
    however, i do not know if it applies to your camera model though.
    cuiusvis hominis est errare, nullius nisi insipientis in errore perseverare

  3. #3

    Default Re: Recording time

    Quote Originally Posted by Alpina View Post
    there is a setting with regards to noise suppression in long exposure.
    turn it off and recording time will be faster.
    however, i do not know if it applies to your camera model though.
    just to add on. the long processing time is to reduce the noise induced in the image due to long exposure. however, although the noise in the image might be lessened, there might be color smudging.

    so it's up to you to use it, or shoot in RAW and edit later

  4. #4

    Default Re: Recording time

    thank you for the reply...

    if i set my camera on RAW it will be more faster recording time, is that what you mean?

    cheers!

  5. #5

    Default Re: Recording time

    Quote Originally Posted by Alpina View Post
    there is a setting with regards to noise suppression in long exposure.
    turn it off and recording time will be faster.
    however, i do not know if it applies to your camera model though.
    thanks for the advice!!!

  6. #6

    Default Re: Recording time

    Quote Originally Posted by alexei View Post
    thank you for the reply...

    if i set my camera on RAW it will be more faster recording time, is that what you mean?

    cheers!
    no.. if you switch off the Long Exposure Noise Reduction function, it'll be faster.

    the longer processing time is because of the Noise Reduction processing to reduce the visible noise in the image.

    RAW is so that you can do the Noise Reduction after uploading to your PC if you want

  7. #7
    Moderator Octarine's Avatar
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    Default Re: Recording time

    Quote Originally Posted by alexei View Post
    if i set my camera on RAW it will be more faster recording time, is that what you mean?
    It also means that you will need to think about processing RAW files. What you see on display is just a small preview image. RAW means that you only capture the data as recorded by the sensor, the conversion to a bitmap image still needs to be done.
    Use Canon DPP (comes with your camera) for a trial. More details you can find in Digital Darkroom here.
    EOS

  8. #8
    Senior Member ZerocoolAstra's Avatar
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    Default

    Just a note:
    L.E.N.R. doesn't reduce sensor noise due to high ISO.
    It's to reduce the "hotspots" that would turn up in a totally dark exposure.
    Camera takes another (totally dark) exposure for an equal duration as the previous shot, then subtracts the hotspots from the shot.
    Exploring! :)

  9. #9

    Default Re: Recording time

    Quote Originally Posted by ZerocoolAstra View Post
    Just a note:
    L.E.N.R. doesn't reduce sensor noise due to high ISO.
    It's to reduce the "hotspots" that would turn up in a totally dark exposure.
    Camera takes another (totally dark) exposure for an equal duration as the previous shot, then subtracts the hotspots from the shot.
    thanks sempai

  10. #10

    Default Re: Recording time


    whoa!!1

    i'am a totally a newbie, i can't understand some of the terms...by the way i'am going to study all those advice and better to apply on my next shots...

    thanks guys!!! big help for my understanding in photography..

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