Functions: Viewfinder provides clear magnification for video capture and daylight photography, allowing users to observe fine details and assist with focusing. Suitable for elderly and vulnerable groups, as well as macrophotography observation. Diopter adjustment available. Rubber eyecups can be adjusted according to user preference. Features a 3-inch and 3.2-inch compatibility for single lens reflex cameras and mini single cameras. Viewfinder magnification is 3x with high-quality optical glass lens, delivering high resolution. The viewfinder displays the image clearly without distortion or cropping. High-quality rubber eyeshields provide soft, comfortable contact between the viewfinder and face. Includes 1/4-inch and 3/8-inch threaded mounting holes at the bottom for attachment to tripods and shoulder mounts, compatible with 3-inch and 3.2-inch LCD screen SLR cameras. Lens: 3 elements/group. Magnification: 3x. Transmittance: 90%. Lens diameter: 40mm. Supports LCD: Universal design fits LCD screens up to 3.2 inches, compatible with 3:2 or 4:3 aspect ratio LCD screens. Applicable models: For 5D3, 5D2, 6D, 7D, 60D, 600D, 650D, 700D, 1000D and other 3-inch or 3.2-inch LCD screen SLR cameras and mini single cameras; For D90, D300S, D3200, D700, D5100, D5200, D5300, D600, D800, D7000 and other 3-inch or 3.2-inch LCD screen SLR cameras and mini single cameras. Material: ABS + optical glass + aluminum + rubber. Color: Black. Package Contents: 1 x Universal LCD Viewfinder Kit. Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement allows an error of +/- 1-3 cm.