Usage Tips: Functions: The viewfinder provides clear magnification for observing scenes and supports video capture, allowing users to observe details during daylight photography. It assists with focusing and is suitable for elderly and vulnerable groups, as well as macrophotography observation. The diopter is adjustable, and the rubber eyecups can be adjusted according to user preference. The device fits 3-inch and 3.2-inch single-lens reflex cameras and mini single cameras. Viewfinder magnification is 3x. The viewfinder lens is made of optical glass and offers high resolution. The viewfinder displays the image without scene deformation or incomplete display. Rubber eyecups are soft, improving comfort and contact between the viewfinder and face. A 1/4-inch and 3/8-inch threaded mounting hole at the bottom allows attachment to a tripod or shoulder mount for use with 3-inch and 3.2-inch LCD screen SLR cameras. Lens: 3 elements/group Magnification: 3x Transmittance ≥90% Lens aperture: Ø40mm 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 5D3, 5D2, 6D, 7D, 60D, 600D, 650D, 700D, 1000D and other cameras with 3-inch or 3.2-inch screens, including SLR and mini single-lens cameras; For D90, D300S, D3200, D700, D5100, D5200, D5300, D600, D800, D7000 and other cameras with 3-inch or 3.2-inch screens, including SLR and mini single-lens cameras; Material: ABS + optical glass + aluminum + rubber Color: Black Package Contents: 1 x Universal LCD Viewfinder Kit Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement tolerances allow for an error of +/- 1-3 cm.