Makes sense.
Thanks for that.
Dave
> I would think that it is the angle of view that
counts, not the focal
> length. So, a flash read out of 50mm (lens for 35mm) should cover a digtal
> lens with focal length 33mm, which is equivalent to 50 mm. So a FLASH
> calculatad for 35mm film should be fine with a LENS for 35mm, even when used
> on the *ist d...?
>
>
> Jens Bladt
> mailto:[EMAIL PROTECTED]
> http://hjem.get2net.dk/bladt
>
>
> -----Oprindelig meddelelse-----
> Fra: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> Sendt: 21. april 2004 09:55
> Til: [EMAIL PROTECTED]
> Emne: Re: More on shoe-mounted flashes
>
>
> With the nikon dslr and sb80dx flash,the head read out for focal length used
> is whats on
> the lens,not in
> regard to the 1:5 factor.(ie: If i'm at 50 on my 35-70 f2.8 the read out
> says 50 on the
> flash,not 75.)
> I would quess the Pentax would be the same.
>
> I think thats what your after, yes.:-)
>
> Dave
>
> > More expensive models advertise that the head
> zooms automatically to
> > match the focal length of a zoom lens. One of the new Sigma digital
> > flashes advertises that it does 28-105 mm. That is presumably in 35 mm.
> > format.
> >
> > So what happens if you use it with the DA 16-45 on the *ist D? At
> > wide-angle, the equivalent angle-of-view would be 20-21 mm. If you set
> > the DA 16-45 at 21 mm, will one of these flashes zoom its head to 28 mm?
> > Or will it just not work and report an error?
> >
> > Anyone tried this?
> >
> > Thanks,
> >
> > Joe
> >
>
>
>
>
>
