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12-14-2015, 10:09 PM   #1
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645Z any way to keep LV on >60sec?

As I am learning my 645Z, a few basic questions have come up that I cannot resolve with the manual.

Live View shuts off after 60 seconds; is there any way to get more time or is this automatic to control sensor heat?
thanks in advance.

12-14-2015, 10:22 PM - 1 Like   #2
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First of all, I think it'll stay on if you press any button.

Also, check your auto-off time. I'm not sure if it also affects live view, but it's worth trying.

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12-15-2015, 02:25 AM   #3
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QuoteOriginally posted by mikeSF Quote
As I am learning my 645Z, a few basic questions have come up that I cannot resolve with the manual.

Live View shuts off after 60 seconds; is there any way to get more time or is this automatic to control sensor heat?
thanks in advance.
I have auto-off set to 3min but it seems to turn off live-view quicker than that. I'm guessing it is automatic, besides sensor heat, LV also eats through the battery in a jiffy.
12-15-2015, 08:34 AM   #4
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yeah, i was afraid that might be the case. When i am setting up a studio shot, i find i have to keep waking up LV, when a little more time would have been useful to me. no worries.

12-15-2015, 08:40 AM   #5
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Heat is one of the biggest issues with the LV capability of the 645Z, and a drawback of the intensive weather sealing of the camera. If it is any consolation the Leica S2 Typ 007(which I have been reviewing) has similar limitations. Phase one and Leaf backs with live view capability are fan cooled for a reason*.

*they are also fan cooled for long exposures, the phase and leaf backs can do hour long exposures without sensor amp glow showing up.
12-15-2015, 10:18 AM   #6
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QuoteOriginally posted by Digitalis Quote
Heat is one of the biggest issues with the LV capability of the 645Z, and a drawback of the intensive weather sealing of the camera. If it is any consolation the Leica S2 Typ 007(which I have been reviewing) has similar limitations. Phase one and Leaf backs with live view capability are fan cooled for a reason*.

*they are also fan cooled for long exposures, the phase and leaf backs can do hour long exposures without sensor amp glow showing up.
thanks for that info. interesting
12-15-2015, 11:34 AM   #7
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Just assuming that Pentax would have an AC adapter for studio use with the Z? Seems a way to avoid eating batteries.
12-15-2015, 07:29 PM   #8
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QuoteOriginally posted by jbinpg Quote
Pentax would have an AC adapter for studio use with the Z? Seems a way to avoid eating batteries.
For studio use an AC adapter would be useful, but if you shoot handheld in the studio it would be bothersome.


Last edited by Digitalis; 12-15-2015 at 07:41 PM.
12-16-2015, 03:48 PM   #9
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power system on the Z is the same as the 645D and the K7/5/3, with the little square 8.3vDC plug. The pentax part # is K-AC132.
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