SmallRig 4 x 5.65" Filter Frame Kit Stackable Filter Tray Holder Kit with Clamp-On Back for Matte Box 3641 / 3645 / 3556 - 3649 by Amazon.co.uk

• 【About 3649】SmallRig filter frame kit (4 x 5.65") 3649 is an accessory for Star-Trail and Revo-Arcane series matte box. It is designed to balance exposure under complex light environment by allowing installing multiple slide-in filters.

• 【Anti-off Safety Lock】The filter frames come with aluminum alloy frame and anti-off safety lock to secure the filter and prevent from falling off accidentally. It can prevent fingerprints as well.

• 【Quick Release Design】The stackable Clamp-On Back is made of aluminum alloy and installed via magnets. The quick-release design, just pulls out for disassembly and push in for assembly, works well with matte box, VND filter kit 3651 and filter frame (4 x 4") 3648.

• 【Compatibility】Compatibal with any brand of 4 x 5.65", 4mm thick slide-in filter and Star-Trail (95mm) & Revo-Arcane (114mm) series matte box. (95mm basic kit 3556 / 95mm VND kit 3645 / 114mm basic kit 3641).

• 【Note】1. Not compatible with 100 x 150mm slide-in filter and mini series matte box. 2. Please put VND filter kit 3651 in the innermost slot near the lens. Package includes: 1 x Stackable Clamp-On Back, 2 x Filter Frame (4 x 5.65").