Neewer Aluminum Alloy Swing-away Design Matte Box with Filter Tray,Fit 15mm Rail Rod Rig,for Nikon Canon Sony Fujifilm Olympus DSLR Camera,Camcorder Video Movie Film Making System Solid built and easy to use, this matte box has detachable and easy lock-on flags that will help you block undesired light and lessen glare or lens flare in your image. Upgraded with a swing away option, you don't need to bother with endless mounting and dismounting any more. Put it back or swing away at anytime you want. The newly added two filter trays are made to insert squre filters in front of your camera, so that dramatic and artistic effect can be made in your filming. This matte box can fit 15mm rod with 60mm center to center rails distance, comes with 4 donut rings for need of suiting different size of lens. Installation is easy. Therefore,you can carry around with you whenever is nessary for the scene.