Fotasy LP-100 Lens Plate Quick Release Arca Swiss Compact for Canon, Nikon, Olympus, Pentax, Sigma, Sony tele lenses Fits all the Arce-type quick release adapters which are made by many different companies such as Acratic Arce-Swiss Fob Graf/Studio ball Gitmo Novo flex NPC and Wimberley. This LP Series quick release plate for lenses is made of satin black anodized aluminum with anti-twist flanges to trace the edges of the lens" tripod collar. Dual Safety Stops. The safety stops at the front & back of the lens plate prohibit your lens from accidentally slipping out of the quick release adapter. Works with All Common Flash Brackets. Drilled holes accept flash arms from Kirk & Really Right Stuff. Dimension : 11.80MM x 100MM x 38.10 mm Arca-Swiss design, It fits all the Arca-type quick release adapters, which are made by many different companies such as Acratech, Arca-Swiss, Foba, Graf/Studioball, Gitzo, Novoflex, NPC and Wimberley. This LP Series quick release plate for lenses is made of satin black anodized aluminum, with anti-twist flanges to trace the edges of the lens' tripod collar. Dual Safety Stops. The safety stops at the front & back of the lens plate prohibit your lens from accidentally slipping out of the quick release adapter(easily removed with supplied hex wrench if desired). Works with All Common Flash Brackets. Drilled holes accept flash arms from Kirk & Really Right Stuff. Dimension (H x L x W) : 11.80MM x 100.45MM x 38.10 mm Compatible to following lens Canon 100MM Macro w/ Collar, 28-300MM IS, 35-350MM, 70-200MM F2.8, 80-200MM F2.8, 100-400MM, 180MM Macro, 200MM F1.8, 200MM F2.0, 200MM F2.8 w/ opt. Collar, 300MM F4.0 IS, 300MM F2.8, 400MM F5.6 400MM F4.0 DO etc