GraLab Model 171 Universal Darkroom Timer Lenses & Gobos The exterior is 600D polyester

The exterior is 600D polyester material to provide a long life in the harshest environments

in-camera auto focus and exposure accuracy become skewed during use

5MP cameras and uses a C-mount for mounting to your camera

D-Ring Style The D-Ring style lets you mount the manager to a rack or on the wall

GraLab Model 171 Universal Darkroom Timer Lenses & Gobos The exterior is 600D polyesterWall Mountable Dual Outlets Case Guards Against Corrosion Easy to Use The GraLab Model 171 Universal Darkroom Timer is a solid, reliable 60 minute timer for general darkroom work. It provides precise timing for enlarging, washing, and other darkroom functions. The receptacles give you the opportunity to run two appliances and switch between them effortlessly. A switch runs one item while the alternate receptacle will stop the other item's cycle at