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[OM] F280 question

Subject: [OM] F280 question
From: usher99@xxxxxxx
Date: Sun, 27 Jan 2008 21:47:52 -0500
Still looking for easier macro fill flash for OM? besides manual which is even 
slower now as I have more possible combinations. I need to finish my tables of 
light loss from extension.? Have never laid eyes on one of these beasties but I 
certainly know where to ask about them.? It seems that the fill is a bit on the 
bright side judging from some old posts (?-1 or so).? Wonder if the degree of 
fill can be modulated by changing the ISO on a 4T?  with a reciprocal change in 
the exp compensation.? Increasing the ISO by one stop with exp compensation of 
+1 seems to work ala John Lind with the T-series for "bright" fill. (not really 
fill, but increases the flash over ambient)? It is not clear that changing the 
exp compensation will alter the output of the F280 in FP mode.? Perhaps all the 
changes do are cancel each other out. So the the question is if that is a 
workable strategy.? The down side in any event is the flash won't fire in FP 
mode with speeds under 1/60th. One extra litt
 le dial on the 4T would be so much easier though doing it correctly manually 
may teach me more in the long run. One can also use distance to modulate the 
fill of the F280 in manual, though that is not very fast either.? I like manual 
and auto for most things though chasing critters or hiking in the woods with 
changing magnifications makes TTL attractive.
I even saw one old post that claimed the fill was modulated by a thyrister on 
the F280,sort of an auto mode, and not TTL.
That doesn't seem correct. Perhaps I am staying up too late.
Thanks for any comments.

Mike



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