Functions: Viewfinder provides excellent clear amplification for video capture, allowing users to observe details during daylight photography with auxiliary focus support. Suitable for elderly and vulnerable groups, as well as macrophotography observation. Diopter adjustable. 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 lens made of high-quality optical glass offering high resolution. The viewfinder displays the image without scene deformation or incomplete display. High-quality rubber eyeshields provide soft, comfortable contact between viewfinder and face. Includes 1/4-inch and 3/8-inch threaded mounting holes at the bottom for attachment to tripods and shoulder brackets. Designed for 3 inch and 3.2 inch LCD screen SLR cameras. Lens: 3 elements/group. Magnification: 3x. Transmittance ≥90%. Lens aperture: Ø40mm. 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: Compatible with 5D3, 5D2, 6D, 7D, 60D, 600D, 650D, 700D, 1000D, and other 3 inch or 3.2 inch screen SLR cameras and mini single cameras; Also fits D90, D300S, D3200, D700, D5100, D5200, D5300, D600, D800, D7000, and other 3 inch or 3.2 inch screen SLR cameras and mini single cameras. Material: ABS + optical glass + aluminum. 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 allows an error of +/- 1-3 cm.