Functions: Viewfinder provides clear magnification for video capture and daylight photography, allowing users to observe details and assist with focus. Suitable for elderly and vulnerable groups, as well as macrophotography observation. Adjustable diopter and rotatable rubber eyecups allow customization based on user preference. Features a 3 inch and 3.2 inch compatibility for single lens reflex and mini single cameras. Viewfinder magnification is 3x, with lens made of high-quality optical glass offering high resolution. The viewfinder displays the image without distortion or cropping. High-quality rubber eyecups provide soft, comfortable contact between the viewfinder and face for improved usability and comfort. Equipped with 1/4 and 3/8 threaded mounting holes at the bottom, compatible with tripods and shoulder mounts for 3 and 3.2 inch LCD screen SLR cameras. Lens: 3 elements/group Magnification: 3x Transmittance: 90% Lens aperture: 40mm Support 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 Canon 5D Mark III, 5D Mark II, 6D, 7D, 60D, 600D, 650D, 700D, 1000D and other 3 inch, 3.2 inch screen SLR cameras and mini single cameras; For Nikon D90, D300S, D3200, D700, D5100, D5200, D5300, D600, D800, D7000 and other 3 inch, 3.2 inch 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 the color of the item in the picture to appear slightly different from the actual product. Measurement allows an error of +/- 1-3 cm.