JJC new design deluxe soft release buttons ensures a comfortable finger touch on the top of the camera. Be an indispensable part for the professional technicians, and to enjoy your magic shooting experiences. Compatibility Fujifilm: X-T4, X-T3, X-T2, X-T10, X-T20, X-T30, X-PRO1, X-PRO2, X-PRO3, X100V, X100, X100S, X100T, X100F, X30, X20, X10, X-E3, X-E2, X-E2S Leica: M7, M8, M8.2, M9, M9-P, M10, M-E, M-P, M-A, M-Monochrom, M Type 240 Canon: F-1, New F-1, AE-1 (FD mount) Nikon: Df, F3, M2 Sony: RX1, RX1 R, RX1R II, RX10, RX10 II, RX10 III, RX10 IV (Sony RX1 series does not need rubber ring) Other Brands: Minolta XD7, Minolta SR-7, Rollei (LM mount), Olympus OM-1, Hassellad 503CW The shutter button also fits other cameras with a shutter release socket which is compatible with a mechanical shutter release cable. Specification Product Dimension: ?12x8mm (?0.5x0.3 inches) Material & Color: Red Coating Copper + Red Microfiber Leather Net Weight: 0.1 ounce Gross Weight: 0.3 ounce Product Highlights -Pure copper material with microfiber leather -To ensure a soft and comfortable finger touch -Effectively reduces camera vibration -Decorates your camera and makes it stylish and elegant -Including 2 rubber rings for tight attachment Package Including 1. New Soft Release Button x2 2. Rubber Ring x4 3. Rubber Ring Instruction Manual x1 Warranty 1-year 100% Satisfaction Guarantee The Camera is excluded