Question about Pentax PZ-70 QD 35mm SLR Camera

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Pentax PZ 70

I cannot see anything through my view finder. I was told at a camera shop my mirror was stuck. Can I fix this? Did I harm the camera in some way?

Thank you for your time.


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  • 27 Answers

SOURCE: Black spots on camera window

Dear friend, take your lens off, turn your camera to M for manual, rotate the main comand dial till you see the word BULB, press down the shutter button and keep holding it down, use a hand puffer, not canned air and gently puff some air into the camera. Very important, the lens opening must be facing down so any little debris will fall directly out. Let go of the shutter button when finished and replace the lens, repete if needed. You can buy those little hand blowers or puffers at any camera store. Hope that helps, Barry

Posted on Dec 02, 2008

  • 3006 Answers

SOURCE: I have an old Pentax

Remove the lens and look into the throat of the camera. The mirror should be resting at a 45 degree angle, but if it's fully or partially stuck upwards then the mirror has locked up.

There were a number of Spotmatic models made between 1964 and 1976, all were fully manual and mechanically operated so the battery was used only to power the light meter. This is important, as on later models the battery also powered the shutter and a flat battery would cause mirror lock up. On your model (either an SP500 or an SP1000), the lock up is either due to an internal breakage or simply due to dried out lubricants which may have been in there for around 40 years now. Fixing your camera requires professional attention; if you're lucky then the camera just needs a CLA service (Clean Lubricate Adjust), new light seals and possibly a battery recalibration (original mercury batteries are no longer available, modern "equivalents" have a different voltage). If this is done your camera can give many more years of service, but the costs will far outweigh the value of the camera. Millions of Spotmatics were made, and the only ones of value to collectors must be immaculate and fully complete and functional. If your camera needs spare parts then they simply aren't available except by cannibalising parts from others. Given that there are plenty of more recent, fully functional 35mm SLR camera outfits available for free on FreeCycle and Freegle you really need to appraise whether to sell your near-worthless camera for spares or to make an investment in repairing it. One benefit of your model is that it accepts the older M42 screw mount lenses and there are millions of them going for between zilch and peanuts.

Posted on Aug 16, 2010

  • 177 Answers

SOURCE: images are blurry through my view finder, my

There is a small knob or lever to adjust the viewfinder lens dioptric focus to suit your eye. It probably got turned by mistake to a setting unsuitable for your vision. If you wear contacts make sure you have them on before you do the adjustment. Glasses usually block the view but it is up to you whether you wish to make the viewfinder adjustment with them on or off. See page 38 here:

Posted on Nov 30, 2010

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Take the lens off, is the mirror stuck up? If it is then thats why you cant see through the view finder. It should come down after you take a photo.You can try to gently push the mirror down. This is caused by the mirror box warping due to heat or being dropped. Try it a few times and if it still sticks, more expensive to get fixed than the camera is worth so look for a 'new' camera on ebay. do not spray anything like CRC or WD40 into it, makes things worse.

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Take the lens off and rotate the focus ring, it should turn very easily with little gear noise.Try a different AF Pentax lens that you know is good.
I'm sure the lens is binding, take the lens to a camera repair shop for an estimate cost to repair.

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