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12-08-2013, 02:42 PM   #1
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Temperature Range Of K1000

I just recently bought a Pentax K1000 and I have a question. What temperatures can the Pentax K1000 operate in? I want to take some winter pictures but I do not want to take my camera out until I know whether it will be safe to take it outside during winter or not.

12-08-2013, 02:56 PM   #2
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When your camera was new the range of operating temperatures was from 50 C to -20 C. With age, that range might be a bit narrower. There is a whole section of the owner manual detailing operation at low and high temperatures. You can get the manual at:

http://www.pentax-manuals.com/manuals/mf/pentax_k1000_manual_s.pdf

The password is "Pentax".

As noted in the manual, a CLA (Clean, Lubricate, Adjust) to refresh the lubrication may be a good idea.


Steve

BTW...Welcome to the Pentax Forums!
12-08-2013, 03:20 PM   #3
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Okay. Thank you. I will go check it out.
12-08-2013, 06:03 PM   #4
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The k1000 is robust, my dad has been using his since the early 80's.
They can work in subfreezing and extremely hot temps since everything is mechanical; the only thing you have to keep in mind is the meter. The meter relies on a battery that can fail in high/low temps.
Have fun shooting!

12-08-2013, 06:33 PM   #5
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Separate from the K1000 cold performance is the lens, its ability to stop down completely before shutter actuates.
Most of my -M lenses appear to have a snappy stop down in the cold, but 3 in the collection are sluggish in the cold. Old lube I suppose
They are OK in the summer and OK in winter if warmed up.
12-08-2013, 07:43 PM   #6
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If the Camera has been CLA'd with modern lubricants that can deal with a broad range of temps I see no issues.
12-08-2013, 09:08 PM   #7
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The only time I had a mechanical Pentax not take pictures due to cold was a flight with my brother in law in ambient -30 C. The situation wasn't permanent. I used the camera for another 13 years.
12-09-2013, 06:34 AM   #8
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The manual for the S3 (around 1960) indicated that temperatures above 120F or below -55F might affect the shutter performance. Perhaps the light meter in later models is the reason for a more limited range.

12-09-2013, 09:02 AM   #9
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That failure was with an original Pentax that I used for a very long time. As near as I can tell it was about 9 years old when I took that flight. I got the impression that the shutter curtains were frozen together, but who knows. The shutters on those old timers ran horizontally and were like rubberized canvas.
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