Usage Tips: Functions: The viewfinder provides clear magnification for daylight photography, allowing users to observe details and assist with focusing. Suitable for elderly and vulnerable groups, as well as macrophotography observation. Adjustable diopter and rubber eyecups can be adjusted according to user preference. The device is compatible with 3-inch and 3.2-inch single lens reflex cameras and mini single cameras. Viewfinder magnification is 3x, with the lens made of optical glass for high resolution. The viewfinder displays the image without scene deformation or cropping. Rubber eyecups are soft, ensuring comfortable contact between the viewfinder and face. Features a 1/4-inch and 3/8-inch threaded mount at the bottom, allowing attachment to tripods and shoulder brackets for use with 3-inch and 3.2-inch LCD screen SLR cameras. Specifications: - Lens: 3 elements/group - Magnification: 3x - Light 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: Compatible with models such as 5D3, 5D2, 6D, 7D, 60D, 600D, 650D, 700D, 1000D, D90, D300S, D3200, D700, D5100, D5200, D5300, D600, D800, D7000, and other SLR or mini single cameras with 3-inch or 3.2-inch screens. 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 variation between the image and the actual item. Measurement error allowed is +/- 1-3 cm.