Sigma EF-630 Electronic Flash for Canon EF Cine Lens Prevents stray light into the

Prevents stray light into the camera lens

providing an “ultra telephoto” angle of view for telephoto and macro lenses

It is possible to switch the camera to vertical position easily by loosening a knob in the rear of lens body

For Sigma 17-70mm F2

Sigma EF-630 Electronic Flash for Canon EF Cine Lens Prevents stray light into theThe Sigma EF 630 Flash system is the latest in DSLR flashes from Sigma. Updated and enhanced, the EF 630 Flash uses an Intuitive user interface with a dot matrix LCD screen for improved menu visibility, D Pad and dial settings controls, and easy one click disengage function improve ease of use. The EF 630 flash is compatible with lenses of 24mm to 200mm focal length, making it ideal for wide angle and super zoomed shots alike. For ultra wide angle