Archived posting to the Leica Users Group, 2001/01/24

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Subject: Re: [Leica] How does the SF-20 flash work?
From: Henry Krzciuk <>
Date: Wed, 24 Jan 2001 14:39:23 -0800 (PST)

The SF-20 has won me over.  I use it with the diffuser
most all of the time.  The light pattern is even,
color excellent, exposure right, fast re-cycle, small,
lots of flash per set of batteries, and the damn thing
is powerful.

What more can I say.  My other main flash is a Quantum
Q flash which I also use but only on special
occasions.  I acutally like the lighting of the SF20
with diffuser better.  

I have the SF20 mounted on a strotoframe flip bracket
and use the Contax flash extension cord to keep all
the TTL funcionality.

- --- Mark Rabiner <> wrote:
> Tristan Tom wrote:
> > 
> > How does the Leica SF-20 flash work? Can I set the
> M6 TTL to any
> > f-stop I want as long as my shutter speed is at
> 1/50 sec? Does the
> > flash actually alter it's power output
> accordingly?
> > 
> > I'm thinking about buying this flash-does anyone
> have any URLs to
> > pictures taken with this flash? I'd like to view
> some examples of
> > possible results.
> > 
> > Thanks,
> > 
> > Tristan Tom
> > 
> My wife has one, I've used it. I'm getting one for
> me.
> In TTL mode It cuts off when the meter in the camera
> tells it to.
> So you can stop down and that will make less light
> get thought and that will
> demand more power from the flash;
> but will still be doable; to a limited extent.
> You're not going to be able to shoot something 20
> feet away at f22, you have to
> check your distances to make sure you are not
> overshooting them at a certain F
> stop. Clear as mud?
> a little pricey but worth is as far as i go. Fits in
> the same slot in your bag
> as a lens.
> Has an A setter for your non TTL bodies or other
> cameras even.
> Mark (the twinkie light guy) Rabiner
> Portland, Oregon
> the way i see it it makes it so you can walk around
> with slower film in your
> camera and not get into too much trouble
> updated temporary Website by "Foxy":
> (consisting of late night E-mail descriptions of

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