Features: Provides excellent clear magnification for observing details on screen, facilitating video recording during daylight shooting and assisting with focus. Ideal for seniors and visually impaired individuals, and for macro photography observation. Features adjustable diopter and rubber eyecups that can be adjusted to user preference. Second Screen: Compatible with 3-inch and 3.2-inch DSLR and mirrorless cameras. Magnification: 3x magnification with a high-resolution optical glass lens. Display: The viewfinder displays an image, not a direct view, ensuring no scene deformation or incomplete display. Comfortable Eyecups: High-quality rubber eyecups offer a soft, comfortable contact with the face. Mounting: Features 1/4" and 3/8" screw holes at the bottom for mounting on tripods and shoulder mounts, compatible with 3 and 3.2-inch LCD screens on SLR cameras. Description: Lens: 3 elements/group Magnification: 3x Transmittance: 90% Lens Diameter: 40mm Supported 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 various SLR cameras and mirrorless cameras from Canon and Nikon with 3-inch or 3.2-inch screens. Material: ABS + Optical Glass + Aluminum Rubber Color: Black Package Contents: 1 x Universal LCD Viewfinder Kit