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Amazon.com : Kase MovieMate Magnetic Matte Box Master Kit Shockproof Filter Holder 67mm 72mm 77mm 82mm Optical Glass: 4 Filters: CPL, Vari ND 2 to 5 Stop, ND6 Grad 0.9 : Electronics
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MB-623 Matte box kit, includes single and double rotatable filter stage including 3x filter holder, donut adapter ring, 19mm swing away side flag kit - Matte boxes
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Amazon.com : Kase MovieMate Magnetic Matte Box Master Kit Shockproof Filter Holder 67mm 72mm 77mm 82mm Optical Glass: 4 Filters: CPL, Vari ND 2 to 5 Stop, ND6 Grad 0.9 : Electronics
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Amazon.com : Freewell Eiger Matte Box - for DSLR, Mirrorless Camera with ND, VND, GND, Magnetic Filter Slots : Electronics
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Amazon.com : Kase MovieMate Magnetic Matte Box Master Kit Shockproof Filter Holder 67mm 72mm 77mm 82mm Optical Glass: 4 Filters: CPL, Vari ND 2 to 5 Stop, ND6 Grad 0.9 : Electronics
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