The significant thing is the background - it rarely reflects the right
amount for TTL. I figured out what aperture I needed for full dump and the
magnification with a range of lenses. It acutally ended up eing always f16
if I recall correctly for my zone of magnification.
It works very simply.
Also, my favourite camera is an OM-1n. I have a 4Ti but I think I've used it
once.
Foxy
----- Original Message -----
I don't really understand the rationale for NOT using TTL exposure with the
OM macro flashes. There's always the exposure compensation dial if it's
apparent from looking at the subject that a little over or under exposure is
appropriate. And with the T28, I sometimes alter the lighting ratio by
using 2X or 3X neutral density filters over one of the units.
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