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04-13-2010, 07:29 PM   #1
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Join Date: Mar 2009
Location: Australia
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Pentax 645 long exposures?

I have recently borrowed a pentax 645 from a friend to experiment with. I have shot a few rolls experimenting with different films.

I am very interested in long exposures and time lapses (currently playing with homemade pinholes).

Are long exposures possible with the pentax 645? I'm thinking 5mins and above.

I apologise for any ignorance, i have not had much experience in medium format.

Are there shutter release cables that work with this camera?


04-13-2010, 07:49 PM   #2
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Join Date: Feb 2010
Location: Poznan, Poland
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645 can do long exposures as long as batteries can take it. As I remember the first 645 was the best for it, due to little energy consumption. I read somewhere that 645n can do 8h exposures on fresh set of batteries, and the old 645 could do it a lot longer. For old 645 is the 'Pentax cable switch A'. I think you find it on ebay
04-14-2010, 04:57 AM   #3
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Join Date: Apr 2009
Location: Rotterdam, Netherlands
Posts: 31
No problem! Make sure you bring a very sturdy tripod. The 645 is heavy.

Good luck!

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