Yeah, diffuse the light, use a separate reflector card, and use a flash meter
for exposure with flash on manual. Other than that, bracket & hope.
Larry
Scott Gomez wrote:
> My girlfriend is putting her purloined (from me) OM-4 to use, trying to
> photograph some small jewelry items. Here's the setup:
>
> OM-4 with 65-165 Telescoping tube and 135/4.5. Flash is from T-28 Twin unit.
> The chart says that for the T-28 with this lens/tube in MANUAL high-power
> mode on the T-28, the exposure is 1.6 feet at F45 and ASA100. However, we're
> getting a consistent UNDER reading using TTL flash mode at only F22 with
> ASA200 film.
>
> We're almost dead on at 1.6 feet from her subject, and I suspect the
> background is what's causing trouble. It's a jet black piece of velvet.
> Anyone have any suggestions? Are we truly underexposing? Or are we likely to
> be over-exposing the actual subject and getting an UNDER reading due to the
> dark background.
>
> ---
> Scott Gomez
>
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