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Re: [OM] Cordless TTL?

Subject: Re: [OM] Cordless TTL?
From: "Mickey Trageser" <mickeytr@xxxxxxxxxxxx>
Date: Wed, 19 Dec 2001 23:52:59 -0500
That's exactly right. Tripping over a flash cord is most distressing. Plus, it 
opens up more creative uses. The slave idea was good, but still requires one 
flash unit to be wired to the camera/hotshoe. 

If there is such a homebrew plan requiring only a modest investment, call me 
curious.

Thanks!
Mickey 
  ----- Original Message ----- 
  From: Bachofen 
  To: olympus@xxxxxxxxxxxxxxx 
  Sent: Wednesday, December 19, 2001 11:20 PM
  Subject: RE: [OM] Cordless TTL?


  Hmm,  The thing is, that the ttl turns off the flash from the camera when 
enough light reaches the film plane.  So the only flash that turns off is the 
on camera/corded flash.  I think what they want to build is a 
multiple-cordless-flash-ttl-relay-system wherebay the camera tells _all_ the 
flashes to stop.  Is that right?  
  M.E. Bachofen

  On 12/19/01 at 9:14 PM James N. McBride wrote:
    I'm not sure exactly what you are looking for here but I have used multiple 
flashes fired by slave units. I use a flash meter to set the slave units to 
underexpose slightly then use the TTL unit attached to the camera to complete 
the lighting for final exposure. This works well and minimizes the amount of 
wiring needed.  /jnm
      -----Original Message-----
      From: owner-olympus@xxxxxxxxxxxxxxx 
[mailto:owner-olympus@xxxxxxxxxxxxxxx]On Behalf Of Mickey Trageser
      Sent: Monday, December 17, 2001 3:16 PM
      To: olympus@xxxxxxxxxxxxxxx
      Subject: [OM] Cordless TTL?


      With so many technical minds on the list, I thought I'd throw out this 
question:

      Has anyone built a cordless TTL flash link for Olympus systems? Is it 
possible at a reasonable cost for an experimenter? I'm not technically 
inclined, but I have wielded a soldering iron and followed instructions that 
include schematic and parts list. I would think the rig would have to be very 
fast to relay the signals without enough delay to affect the exposure. 

      Just wondering/curious. It would be neat to go cordless.

      Mickey
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