GraLab Model 451 High-Accuracy Digital Darkroom Electronic Timer Black & White Chemicals low profile attachment to the

low profile attachment to the camera

Large main opening that holds pro-sized DSLRs and lenses and accessories

a sensor on the flash detects the brightness

Thanks to the inclusion of the Canon Floating System

Offering photographers a chance to get the best possible light from their flash with out having to carry cumbersome equipment

GraLab Model 451 High-Accuracy Digital Darkroom Electronic Timer Black & White Chemicals low profile attachment to theHighly visible 2 digit LED display. Accessory outlet allows automatic switching of external device. Metronome or end of cycle tone notification. Accuracy: + . 01% @ 1 second Limited one year warranty