Sigma EF 500 Super DG (Canon EOS mount) ?

Archived from groups: rec.photo.equipment.35mm,rec.photo.digital (More info?)

"stigma" <stigma@stigma.net> wrote in message
news:kaMCd.8339$5R.4365@newssvr21.news.prodigy.com...
>I currently use a third-party flash (Stigma EF 500 Super) on a
> Canon Elan 7E. When I set the flash for ETTL mode (and the camera
> for 'Aperature' priority auto-exposure), the combo habitually overexposes
> pictures.
>
> The high-speed (FP) flash-sync is difficult to setup. (See
> http://photonotes.org/reviews/sigma-ef-500-super for an
> explanation.)
>
> I just learned that Sigma released an "updated" model "DG"
> Does the EF500 Super DG correct the high-speed flash-sync?
> (I'd still be using it on my Elan 7E.)
>

I've experienced some overexposure with the EF 500 Super on a D30 & 10D but
only at close distances. It is easily remedied by putting a StoFen diffuser
on the flash. Keep in mind that in Av mode, the camera will set the flash
exposure to properly expose the subject while it sets the shutter speed to
properly expose the background. So if your background is significantly
darker, it is certainly easier to overexpose the subject.

I do agree the high speed flash isn't easy to set up, but it does work. I
have read the updated DG is better with exposure.

Mark

Archived from groups: rec.photo.equipment.35mm,rec.photo.digital (More info?)

"karen-nospam@photoethnography.com" <karen@photoethnography.com> wrote in
message news:1105063490.654044.70420@f14g2000cwb.googlegroups.com...
> The E-TTL system does overexpose a bit. Try dialiing in -1 of flash
> exposure compensation.
>
> A 420EX might serve your purposes better than another Sigma. They are
> fine bodies and work great as slave flashes, but they do have their
> quirks.
>


There are a couple differences, of course. The Sigma is a little more
powerful, about the same as a 550EX. It can act as a master to another
E-TTL flash; the 420EX can only be a slave. It has full manual mode as
well, which the 420EX doesn't. I have both the Sigma & 420EX, I use
whichever one fits the situation better.

Mark