Cavision 52 to 82mm Step-Up Ring Smith-Victor 401983 Set the camera to sleep

Set the camera to sleep and wake up to manage battery life

or BP-975 Type Battery

or an external 3

This Avenger F800 3

Cavision 52 to 82mm Step-Up Ring Smith-Victor 401983 Set the camera to sleepFor Cavision Clamp On Matte Box on Lens Adapts Lens with 52 Filter Thread For 82mm Filters 9mm Depth Anodized Aluminum Construction This Cavision 52 82mm Step Up Ring permits the use of 82mm threaded filters on lenses with 52mm filter threads. Additionally, the 9mm depth of this ring provides more surface area than a standard step up ring. This provides a more secure grip to the clamp of your Cavision Clamp On Matte Box. The step up ring features a