Swing Away Matte Box improves the quality of your work by directing away the unwanted light; clamps onto a 124mm lens; Comes with 5 different sized adapter rings.
FOTGA DP3000 M4 15mm Rail 4x4 DSLR Swing Away Matte Box Kits w/top Handle for DSLR Mirrorless Camera A7 A7R A7S A9 II III IV Z6 Z7 BMPCC 4K 6K
Filmcity MB-7 Professional Swing Away Wide Angle Matte Box, Matte Box MB-7 with full swing-away feature and french flag enables the user to get cinematic effects, By Flyfilms
Proaim MB 30 SWING-AWAY Video Camera Matte Box
PROAIM MB 30 Swing-Away Video Camera Matte Box Instruction Manual
CAMTREE MB-20 Swing Away Wide Angle Camera Matte Box Supports 105mm Ø Lens
Proaim 7' Wave-2 Jib Crane for Camera, Gimbals & Pan Tilt Heads. for 75mm/100mm Fluid Heads. Payload up to 25kg / 55lb. Telescopic Design. 360° Panning Range (P-WV-2) - Yahoo Shopping
JTZ DP30 Cine Lens Carbon Fiber 4x4 Swing-Away Matte Box with 15mm/19mm Rod Rail Rig for Sony FS5 FS7 ARRI RED Canon C100 C200 C300 BM D Blackmagic BMPCC BMCC
Foto4easy 4x4 Swing Away Matte Box with Follow Focus 15mm Rail Rod Rig for DSLR Cameras Sony A7 A7R A7S A7II A7III A7IV A6000 A6400 A6600 Nikon Z6 Z7 Canon
Fotga DP3000 Matte Box Swing Away Quick Lens Change with French Flag & Filter Holders Fit 15mm Rail Rod Rig,for Canon Nikon Sony Panasonic GH4 GH5 GH5s DSLR Camera
Proaim MB 30 SWING-AWAY Video Camera Matte Box (P-MB-30)
PROAIM MB 30 Swing-Away Video Camera Matte Box Instruction Manual
CAMTREE-MB-23 CF Swing Away wide angle Carbon Fiber Matte Box
Proaim MB 30 SWING-AWAY Video Camera Matte Box