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Bruce_robbins
Tinkerer
Username: Bruce_robbins
Post Number: 19
Registered: 06-2008
Rating: N/A
Votes: 0 (Vote!) | | Posted on Friday, April 12, 2013 - 12:51 pm: | 
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As a change from footering with my dysfunctional FA I thought I'd take a break and replace the mirror foam on a recently-acquired F. This one has no mirror foam at all. I was going to use 3mm think foam from a Jon Goodman kit. Would that be about right?
On a related note, the back feels very slightly loose - the sort of feeling you get with a hinged SLR back when the foam needs replacing. Would replacing the cord seal on the rear of the body be likely to cure this or might the camera just being showing signs of age? |
Glenn
Tinkerer
Username: Glenn
Post Number: 1072
Registered: 07-2006
Rating: N/A
Votes: 0 (Vote!) | | Posted on Monday, April 15, 2013 - 09:15 am: |
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When sitting on the foam the mirror is usually parallel to the screen. Place a bit of your 3mm foam between screen frame and mirror when shutter on 'B'. If it looks OK, then it is - otherwise try a piece of thinner foam.
Changing the door seals can 'tighten' up the fit of a rear door. You should also note that a strained door can also exhibit what you are finding, along with the good old wear and tear of hinge and latch. Personally I would replace the seals. |
M_currie
Tinkerer
Username: M_currie
Post Number: 298
Registered: 07-2006
Rating: N/A
Votes: 0 (Vote!) | | Posted on Tuesday, April 16, 2013 - 09:04 am: |
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On the Nikon F a slightly loose back is probably a non issue. You might be able to adjust the latches a little, but I would not bother with anything unless it actually leaks light. The rope seal is very effective and lasts pretty much forever.
On the mirror foam, it's needed only for quieting, as far as I know, and must be pretty thin. It will work without foam all right, but of course it makes quite a clack. If it's too thick it will interfere with the mirror return and the mirror lock function. You'll notice this quickly, so if in doubt, dry fire it without film, and make sure the mirror behaves right before putting film in. |
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