The Letus35 Universal Donut is designed for use with the Letus Matte Box version 1 or 2. It helps prevent light from spilling around the lens from behind the camera and degrading your image by flaring any filters you may be using. You can use the donut with lenses that have an outer diameter of 55 to 95mm.
Blocks the light from spilling around the lens behind the matte box and degrading your image.
Supports lenses with a front diameter from 55 up to 95mm
Supports zoom lenses with varying lengths
Works with your Letus matte box, version 1 or 2