I decided to try pin-hole photography with my OMs recently... I bought a
body cap with a drilled piece of stainless steel in the center. When I
tried it out on my -4T, I expected a pretty long "open shutter" time, given
the f/stop is on the order of 180 or so. To my surprise, almost every
exposure I tried clicked off at about 12-14 seconds, regardless of what I
pointed the camera at. Is there something I'm missing? Is there some tab or
coupling pin on the back of the OM lenses that enables OTF metering - the
modified lens cap obviously does nothing except engage the three bayonet
lugs... Any suggestions on what I can do to make this work? I'm thinking
about trying a short extension tube between the body and the cap...
Any thoughts or guidance will be appreciated!
Curt
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