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Re: [OM] T32 and Accidental Dial Shifting

Subject: Re: [OM] T32 and Accidental Dial Shifting
From: Pauls0627@xxxxxxx
Date: Fri, 13 Aug 1999 08:36:25 EDT
In a message dated 8/12/99 11:18:16 PM Eastern Daylight Time, 
jowilcox@xxxxxxxxxxxxxxxxxxx writes:

> I bought a T32 some months ago as part of a package deal with the
>  intention of selling it, but I've decided to shoot with it a bit to see
>  if I can really part with it. It's pretty straightforward, but I am
>  surprised by a couple statements in the manual.  One is this:
>  
>  
>  <paraindent><param>left</param>The OM-4, OM-2N symchronizes with
>  electronic flash at the shutter speed of 1/60 sec. or slower. However, to
>  eliminate any possibility of accidental dial shifting, it is recommended
>  you use the 1/30 sec. setting (p. 23).
>  
>  </paraindent>
>  
>  What in blue blazes is "accidental dial shifting"? 
>  
>  
>  I also NEVER shoot at 1/30 sec flash sync unless I'm deliberately
>  blending ambient light.  Do any of you routinely shoot at 1/30 sec?

I *think* what is trying to be communicated is that if the *actual* shutter 
speed (determined during exposure) is faster than 1/60, the flash will not 
fire but a correct exposure (according to the OTF meter) will be made with 
ambient light. If you set your aperture so the shutter speed indicated is 
just 1/60 there is a chance that you "crossed the line" just a touch, 
preventing the flash from firing. By selecting an aperture that results in a 
displayed shutter speed of 1/30 (or even slower) pretty much guarantees that 
the flash will fire. The shutter speed used will still be 1/60. This applies 
to the OM-4(T(i)), OM-2S, and OM-2n (probably OM-PC, too). In fact if you 
want to synch at a slower shutter speed you need to go into manual moe on 
these cameras. I believe the original OM-2 is an exception to this, and will 
keep the shutter open as long as is necessary for correct exposure after the 
flash fires.

Paul Schings
Coventry, Rhode Island USA

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