SmallRig Filter Frame Kit (4 x 5.65") 3649, accessories for Star-Trail and Revo-Arcane series matte box, is designed to balance exposure under complex light environments by allowing installing multiple slide-in filters. It comes standard with two filter frames (4 x 5.65") and one stackable Clamp-On Back. Among them, the 4 x 5.65" filter frames come with an aluminum alloy frame and anti-off safety lock that allows quick release and secure locking of filters as well as prevents fingerprints; the stackable Clamp-On Back, made of aluminum alloy and installed via magnets, has a quick-release safety lock that works well with matte box, VND Filter Kit 3651 and Filter Frame (4 x 4") 3648. The kit also adopts a variety of quick-release designs to give the greatest quick-release convenience to users of Star-Trail and Revo-Arcane series matte boxes.

Note:
 1. Compatible with Star-Trail (95mm) and Revo-Arcane (114mm) series matte box.
 2. Please put VND Filter Kit 3651 in the innermost slot near the lens.
 3. Incompatible with mini-series matte box.
 4. Incompatible with 100 x 150mm slide-in filter.