GTM Designed B4 Mount DustCap with the Grass Valley Cameras in mind.. 
When used it prevents any Fingerprints, Scratches, Dust and Water to reach the optical glass in front of the Sensors.
It s clever design ensures that it will be completly hidden inside the bajonet ring , this makes it possible to place the camera solid on its bajonetring without the risk of tipping..
 
Note: discount will be applied upon chosen Qty selection