On 11 Jan 2001, Mick McCarron wrote:

> >Hi Mick,
> >
> >Can you tell me in what way the 50e is better at
> >controlling a 540EZ than the 1n?  I don't own a 1N,
...
> >Regards
> >Gary
> >
...
> What I have found is that with a stofen difusser on the 540EZ Flashgun, lens
> at F2.8 or F4 the 50e set in AV mode, I can rely on the camera to set the
> shutter and turn off the Flashgun. This results in correctly exposed photos
> without hotspots, the background is out of focus and the shadow caused by
> the gun is softened, partly because of the difusser and partly by the out of
> focus background.
> 
> Why this works is because the 50e is a type A camera which has high speed
> sync (FP Flash), the 1n is a type B camera which does not have High speed sync.

If you use F2.8-4 the background should be out of focus. But what do you
mean by saying you can rely on the camera to set the sutter and turn off
the flashgun? Isn't it so that if you have the flash on and are in Av, it
always fires? Actually isn't it so that if the external flash is on in any
more, it always fires?

What you write does not make sense... Yes, the EOS 50e has high speed
sync, but not with 540EZ flash. EOS 50e + 540EZ gives you the max of 1/125
s flash exposure as far as I can remember. No FP flash.

> The same technique works with a 550EZ on a 50e provided that high speed sync
> is enabled on the 550EZ, trying the same technique using the 1n and 550EZ
> again results in hotspots and overexposure.

As it should, as the combination of EOS 1N + 550EX (it's not 550EZ, btw)
does not give high speed sync. But now the combo of EOS 50e + 550EX does
indeed give FP flash.

So if I'm wrong, please correct me as I'm really confused about your
results (or reasons for them at least).

To the guestion that is on the top... actually the 1N does control the
540EZ better than EOS 50e. 1N can control the flash with 1/3 stops, but
the EOS 50e with only 1/2 stops. Both have TTL and A-TTL (if that matters
to somebody), no neither have E-TTL of FP-Flash as those are not available
with 540EZ. More over, I think both cameras have 4 TTL areas of which
always 2 are active (according to shooting mode and selected focusing
point).

Best regards,
        Hugo.

************************************************************
**   Hugo Gävert                                          **
**   [EMAIL PROTECTED]             http://www.hut.fi/~hugo   **
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