SIGMA / Flashes

The EF-610 DG ST features a powerful Guide Number of 200ft / 61m and is designed to work with the latest TTL auto exposure systems of all popular digital and film SLR cameras. ...

Sigma EF-610 DG SUPER Electronic Flash for Nikon Digital SLR Cameras...

Sigma EF-630 Electronic Flash for Nikon Cameras Boost the light in your scene with the portable EF-630 Electronic Flash from Sigma. Available here with complete compatibility with Nikon's i-TTL flash metering system, it can be used quickly in an automatic setting or used with full manual power from ...