Digital Finger
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Long exposures / write time worries
Just been trying long exposures for longer than Ive tried before- took a8 min exposure no probs, took on for 30 mins and eeeekk!
My camera seems to be busy or 'locked up' still 20 mins later -screen says `'busy please wait`' but I guess the battery will die eventually (in about anotherr 10 mins my guess
Is this normal???
canon 5Dmk2 with bulb and remote release
Last edited by Digital Finger, 12/Sep/15, 5:16 pm
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12/Sep/15, 5:16 pm
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Glenn Haworth
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Re: Long exposures / write time worries
Simon, have you got the long exposure noise reduction setting turned on as this will double the exposure time?
Last edited by Glenn Haworth, 12/Sep/15, 5:39 pm
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12/Sep/15, 5:37 pm
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Digital Finger
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Re: Long exposures / write time worries
that I will check -good thinking.
have to say it is pretty noisy!
Didn't rrewlaise long exposures gave that awful level of noise!
--- I am a part of what I am, not apart from what I dream,
That's a part of what I seem, but not apart from what I am
~ Simon
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12/Sep/15, 6:12 pm
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IanBarber
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Re: Long exposures / write time worries
quote: Digital Finger wrote:
that I will check -good thinking.
have to say it is pretty noisy!
Didn't rrewlaise long exposures gave that awful level of noise!
They dont if you do them properly
Seriously though it does sound like you have NR enabled in the camera
Last edited by IanBarber, 12/Sep/15, 7:32 pm
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12/Sep/15, 7:26 pm
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Digital Finger
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Re: Long exposures / write time worries
quote: IanBarber
They dont if you do them properly
so what am I doing wrong- not enough exposure ?
--- I am a part of what I am, not apart from what I dream,
That's a part of what I seem, but not apart from what I am
~ Simon
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12/Sep/15, 8:07 pm
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IanBarber
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Re: Long exposures / write time worries
What was your base exposure (before adding the filter)
What type of filter did you use
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12/Sep/15, 8:21 pm
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Richard7903
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Re: Long exposures / write time worries
Simon, I often do long exp with my Canon 5D II and don't get the same problem, suggest you might check NR setting as Ian says
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13/Sep/15, 8:25 am
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Digital Finger
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Re: Long exposures / write time worries
thanks all yes NR was on (AUTO), is now OFF
base exposure was 13th at f11. I gave it 1881 secs (apparently) and the exposure LOOKED OK , a LITTLE low on the his to but not what Id normally consider noisworthy low...
this is approx 100% crop from the shadows
Histo
--- I am a part of what I am, not apart from what I dream,
That's a part of what I seem, but not apart from what I am
~ Simon
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13/Sep/15, 3:09 pm
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IanBarber
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Re: Long exposures / write time worries
What strength filter was it
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13/Sep/15, 3:15 pm
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Digital Finger
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Re: Long exposures / write time worries
quote: IanBarber wrote:
What strength filter was it
16
--- I am a part of what I am, not apart from what I dream,
That's a part of what I seem, but not apart from what I am
~ Simon
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13/Sep/15, 3:52 pm
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