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04-26-2013, 09:14 AM   #1
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Pentax 6x7 Shutter Problem

Dear Forum,

I have shot the first test rolls with my new-to-me old 6x7.
Unfortunately I had to find out that speeds 1/250, 1/500 and 1/1000 are not working. It seems that the second curtain firest too fast, so that there is no gap between the curtains and therfore the film remains unexposed.

All other times seem to work fine.

Is this a mechanical or an electronic problem? Is it worth trying to fix it myself (any tips and hints?), or better have it fixed right away?

Georg

04-26-2013, 09:44 AM   #2
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If it has not been CLA'd recently then it is possible that the timing has slipped. It is not impossible that event the slower speeds are off but given the time that it is just adequate enough to operate.
All speeds are governed by a timing circuit and a series of capacitors are used to create the correct speeds. The upper speeds are in a separate group from the slower... Do have a professional give it a proper look.
05-01-2013, 01:50 AM   #3
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Original Poster
Well i feared something like that.

Is there anyone recommened in (continental) Europe to work on these old beasts that will not kill me financially?

Thanks

Georg
05-03-2013, 10:14 AM   #4
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I know Hans Klinkhamer does service the 67, see De Kamera, Hans Klinkhamer de Rolleispecialist. It's in the Netherlands (almost literally on the border with Germany).
He serviced my Rolleiflex 2.8F and did a great job for a very reasonable price. When I met him, he also had a P67 under service.

05-05-2013, 12:00 AM   #5
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Join Date: Apr 2011
Location: Germany
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I got my 67 serviced with a shutter problem (brake defect) at Host Photoservice in North Germany:
- good estimation by phone before I sent it
- repair within 2 days + shipment
- cost app. 250€ incl. shipment
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