The Revar Cine Rota-Tray 4×5.65/138mm is a geared filter tray with no filter designed and manufactured in the USA from aircraft grade aluminum and poly materials to interface with the latest 4×5.65 matte boxes on the market today. Simply insert it into a top loading 4×5.65 size matte box tray slot and spin the gear on either side of the filter tray to rotate the filter inside. This allows for easy rotation of the filter without the need for cumbersome locking and unlocking of a rotating filter stage. The Rota-Tray also allows for rotation of a filter in matte boxes that do not feature a rotating filter stage or if a secondary rotating filter is needed in a non-rotating stage.
The Rota-Tray also has features missing from other competitive products such as standard 0.8 pitch gears on both sides of the filter tray for use from either the operator or dumb side of the camera, a 1/4-20 female threaded hole for mounting of a wireless follow focus for remote crane or jib operation of the filter, and an overall low weight and profile design for maximum convenience.
This is the Rota-Tray with no filter so you may choose to purchase your own Polarizer or Special Effect filters from leading filter manufacturers. Simply order an unmounted 138mm filter and confirm that it has a dimension of 5.236" +/-0.010" diameter and 0.135" +/- 0.005" thickness.
Perhaps the largest innovation with Rota-Tray is the price. Compare at an average savings of 40%-70% to competitive products with more features and freshly updated design for today's cameras and matte boxes.