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Forum: Pentax SLR Lens Discussion
07-14-2010, 10:24 AM
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For a lot of 49mm filter thread lenses you can use a M42 screw cap instead of the rubber cone things for the front beazel
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Forum: Pentax DSLR Discussion
07-04-2010, 04:47 AM
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The camera won't actually power up at all with the door open, and turns off when you open the door (losing everything in the buffer). I've always thought it's a weird design choice, but I suppose it might stop you corrupting the card.
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Forum: Pentax SLR Lens Discussion
07-01-2010, 01:18 PM
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I've got a Chinon 50mm that I've been trying to take apart to remove fungus.
I had no trouble removing the inscribed front ring (that says 'auto chinon multi-....), but can't remove the next bit (the bit that has the filter thread on it) or move it in the slightest.
I've removed the two screws from it and tried unscrewing it by hand as well as with callipers in the vacant screw holes. Regardless of how much force I put in it doesn't move.
Does anyone have experience taking this lens apart?
It's possible the front element could be unscrewed first, but that's not normally the case for this kind of assembly and it shouldn't restrict the front bit anyhow.
Any ideas on what I'm doing wrong?
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