Size: for 15mm rail rig, maximum lens size 114mm. Matte box position on 15mm rail rig can be easily moved forward and backward with one screw. Universal matte box for 15mm rail system. Accessories: matte box main body, 4pcs removable sun visor plate, 2pcs 4x4 filter holders, 1pc cloth donut ring and 4pcs different size donut rings for different lenses.
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