on 2012-07-17 3:33 Jostein Øksne wrote
Steve, From the manual it looks like the AF140C has a bayonet coupling between the flash and the adapter rings. See page 6 in the manual.
the manual on pentaximaging.com is a poor scan, but with your help i have a better idea of how it works ...
What lenses do you plan to use it with?
mostly Sigma EX 105mm Macro (58mm); possibly Macro-Takumar 50mm or SMC Bellows 100mm (not sure their filter sizes offhand)
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