Am I right in guessing that the original OM3 (non-Ti) had similar circuit
problems to the OM4? Here in the UK they seem to fetch more - ca.£350-400
as opposed to the OM4's ca.£300.
Also, can anyone help me with extension tube exposure calculations. I have
a book on the OM system from 1989 which gives exposure increase times for
the 7,14 & 25mm tubes, but adds that this only applies with 50mm lenses. I
wish to use them with a 100mmf2.8 but in manual exposure mode, not
automatic. Does this require any recalculation?
Simon E.
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