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Re: [OM] Flash foul-up, what happened?

Subject: Re: [OM] Flash foul-up, what happened?
From: John Hermanson <omtech1@xxxxxxxxxxx>
Date: Mon, 03 May 2010 08:51:34 -0400
I hate that.  Could be asa was set incorrectly on flash, or wrong f stop 
on lens.  Or, worst case, the sync switch on the body could be set to FP 
instead of x which would cause the flash to go on and off before the 
shutter opens.
___________________________________
John Hermanson  |   CPS, Inc.
21 South Ln., Huntington NY 11743
631-424-2121  |  www.zuiko.com
Olympus OM Service since 1977
Gallery: www.zuiko.com/album/index.html


usher99@xxxxxxx wrote:
> Just checked with the manager of the lab I use.  She did not quite have 
> everything ready due to trouble with their Frontier, but
> noted that much of  the Portra 160 roll was underexposed beyond salvage 
> due to a flash issue.  Whaattt???? Jolt of disappointment went through 
> me
> as my out of town guests will not have nearly as nice prints this year. 
>  I have some digital back-ups but the potential best where in the OM.
> Nothing fancy used either.  OM-2 in manual with V283 on a bracket with 
> remote cord on the usual yellow for use with F4.  I use a Lumiquest 
> thingie and sometimes
> trigger an additional bounce flash via yabe radio remote to help in a 
> long room.  Manager said no sign  of exceeding synch speed , so 
> accidental bumping
> of shutter speed not an issue and wouldn't lead to this result anyway. 
> I did use a Tam 35-105 and sometime the Z. 85 F2 ro Z 50 1.4.  The 
> aperture
> ring (only on the Tamron)  would bind on the front of the bracket 
> sometimes if I didn't mount it far enough in front.  I can't imagine  
> DOF preview getting bound up
> at F11 w/o noticing it.  I usually check for the adequate expose signal 
> on the flash once with a test flash but then the Lumiquest thingie 
> covers it up.
> 
> Dropped everything after the call:
> Checked the flash with the sensor in the flash and not remotely, but 
> auto mode  seems grossly OK.  Mounted the OM-2/Tam combination on the 
> bracket, but could not
> reproduce any issue except the binding of the aperture ring as expected 
> if not positioned properly.   Could the sensor send a quench signal so 
> prematurely that I wouldn't notice something was up?  Perhaps bumped 
> the aperture ring 3 stops and didn't notice even changing lenses?
> Was able to snipe a very reasonable Metz MZ-3 and already had the OM 
> shoe but had to clean the contacts to get it to work.   I wanted simple 
> and reliable with little chance of foul-ups.
> Excuse me while I enter sulk mode.
> 
> Dr. Ineffective Flash
> Mike
> 
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