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07-29-2015, 03:03 PM   #1
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When the batteries go dead...

...which Pentax SLRs will still be rocking on? I know it's said that the K1000 is independent of batteries if you are willing and able to guess the right aperture and shutter speed, but which other bodies - K or M42 mount - can also do it?

07-29-2015, 03:21 PM   #2
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Most of the Spotmatics
07-29-2015, 04:05 PM   #3
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Good, because the idea of an M42 body is strangely appealing at the moment (early stages of CBA??). Do you know if they suffer from the K1000's tendency to bleed dry if the lens cap is left off?
07-29-2015, 04:19 PM   #4
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There are many models that do not even have batteries because they do not have a light meter.
For others there is a switch to turn the meter on and off.
I would take a look at this for more details and specs :

Pentax M42 Screwmount Film SLRs - Pentax Pentax Film Cameras - Pentax Camera Reviews and Specifications


And do not worry about CBA: I have over 50 film bodies

07-29-2015, 04:40 PM   #5
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Pentax K-mount cameras with mechanical shutters include K1000, KM, KX and MX.
On these models all shutter speeds are available without battery power.

Chris
07-29-2015, 09:26 PM   #6
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And there are selenium cell light meters available used, which use no battery. I like incident metering and the Sekonic L-398 was the meter I used w/ film and still do in cold weather (backpacking) photography.
07-29-2015, 09:37 PM   #7
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QuoteOriginally posted by pathdoc Quote
Do you know if they suffer from the K1000's tendency to bleed dry if the lens cap is left off?
Only the Spotmatic F. The rest don't have open-aperture metering, so the meter remains off until you flip the switch to turn it on and stop down the lens.
07-30-2015, 03:46 AM   #8
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The SV is a great all mechanical body with no meter and no battery. The SL was a Spotmatic body without the meter. Both are nice M42 cameras.

07-30-2015, 05:20 AM   #9
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The ME Super can be used without power in the flash synch speed (1/125) as it is a mechanical speed. You will have to guess the aperture though as the meter will not work. I know because I own one and have done it in the past.
07-30-2015, 07:28 AM   #10
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Everything until the LX era (included) will work.
07-30-2015, 08:25 AM   #11
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QuoteOriginally posted by Cuthbert Quote
Everything until the LX era (included) will work.
Yes. Specifically, without batteries, an LX will fire at all speeds from X (which is 1/75 on an LX) to 1/2000. [Slower speeds require batteries.] Also, B "speed" does not need batteries.
07-30-2015, 09:18 AM - 1 Like   #12
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QuoteOriginally posted by Cuthbert Quote
Everything until the LX era (included) will work.
Except for the following - in order of release dates, ES, ESII, K2, K2DMD, ME, MV, MV1, ME Super. The ES, ESII & LX have bulb, sync speed and higher shutter speeds available when batteries die.

There were dedicated M42 motor drive cameras that predated the LX like the Spotmatic Motor Drive, Spotmatic II Motor Drive and Spotmatic F Motor Drive that need batteries for the motor drives but I am not sure if they can be manually operated when batteries die.
07-30-2015, 01:28 PM   #13
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QuoteOriginally posted by LesDMess Quote
Except for the following - in order of release dates, ES, ESII, K2, K2DMD, ME, MV, MV1, ME Super. The ES, ESII & LX have bulb, sync speed and higher shutter speeds available when batteries die.

There were dedicated M42 motor drive cameras that predated the LX like the Spotmatic Motor Drive, Spotmatic II Motor Drive and Spotmatic F Motor Drive that need batteries for the motor drives but I am not sure if they can be manually operated when batteries die.
Yes but these weren't the "main" cameras of the pre-LX era, especially the aperture priority ones.

Probably the point of no return for Pentax was the LX.
07-30-2015, 04:52 PM   #14
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The MX will work with full functionality except the meter with no batteries.
The Ricoh mechanical bodies will also work, the KR-5 Super, and the Super II will both work without batteries also.
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