Автор: юнга
Дата: 12-11-05 00:45
Another problem you are likely to run into, particulary with Japanese cameras is that their light seals are bad. Most of the rest of the world used felt light seals that last practically forever, but Japan, like us, used foam. Foam light seals break down when exposed to formaldehyde fumes. Since formaldehyde is used in the manufacture of film, this presents a problem in cameras.
Fortunately, replacing light seals and mirror bumper pads (also made of foam) is cheap and easy. If you are smart, you will use neoprene foam, which is much less subject to breakdown. I never understood why camera manufacturers didn't use neoprene in the first place. I got a kit on ebay for $6 once and it had enough precut light seal material in it to do 10 cameras. If you want to do this, without any hesitation at all I'd reccommend going on ebay and doing a "search by seller" (look for the user name "interslice";).
To replace the foam in the back of the camera, you first scrape it out of the channels (surrounding the back of the camera) with a toothpick (they won't scratch the paint). Be very careful not to allow any of the gunk you scraped out to fall into the camera. Then with little twists of cotton dipped in alcohol (use napatha if it is really stubborn), you clean out the residue. Use your toothpick to move the cotton around. Finally, you cut some strips of foam (about 2mm x 2mm) and press fit it into the channels, being sure it doesn't get twisted during installation (this is where buying a precut kit comes in handy). If you wish, you can put some glue (like Pliobond) into the bottom of the channels with a (coarse) hypodermic needle but this really isn't necessary. Depending on the type of camera, you may need to glue a piece of foam across each end too, but some cameras don't need this since sometimes there are channels there too.
To replace the mirror bumper foam (in SLRs), you simply scrape it out (use a wooden or bamboo scraper that won't scratch the paint or metal), clean up the residue with cotton swabs dipped in alcohol or napatha, and glue a new piece of foam, cut to size, in it's place. Again, be very careful not to allow any of the old foam to fall into the camera. An old trick is to use the foam or felt light trap material from an old 35mm film cartrige to replace this, but I prefer neoprene (no lint and it won't break down for at least 20 years).
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