The X sync lock was created in Japan for cameras used by UPI.
___________________________________
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
On 4/16/2011 4:06 PM, usher99@xxxxxxx wrote:
> JK writes:
>
> --I probably missed something but aren't flash bulbs slower to reach
> peak
> --output than an electronic flash ... different settings on the camera
> x-synch
> --vs fb? I guess I've always just assumed they burned longer too.
>
> Yes,
> See below, the FP bulbs have a nice long plateau when they burn. The
> OM2 has an FP setting that fires the FB ?10msec or so prior to
> first curtain though X synch will work with a slow shutter speed. I
> have a neat dookicky from John that locks it in place
> so I don't have anymore untoward foul ups from the switch becoming
> inadvertently altered.
> I see replacing these monster FB's cost a pretty penny.
> It is promising that Dr. Flash thinks it may work in TTL auto. The GN
> does vary with the reflector and shutter speed and I will fire 2 to
> three but only really
> need to be sure I don't overexpose by much. I will set it up on a
> tripod per the previous diagram from JK. He should look NE Mon PM and
> may perhaps spot
> the ignition.
>
>
> http://www.flashbulbs.com/CrPDwnlds/FlashInfoPdf2Sm.gif
>
>
> Retina Roaster, Mike
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