>I have a couple of questions. 1. Is it ok to use a Vivitar 283 with an
>OM-10?
My OM4T and 283 seem to be a happy couple ....... at least so far. They snap
and flash with each other and keep me happy!
>
>And 2. Does anyone have a link to a site that explains the meaning of guide
>numbers for flash units, and how to manually figure aperture settings
>appropriate to the film speed and guide number?
Check out:
http://www.agfaphoto.com/library/photocourse/9811/guide_number.html
as well as:
http://www.agfaphoto.com/library/photocourse/index.html
jh
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