SWIVI viewfinders provides an extremely clear, magnified view. Essentially when shooting video in daylight conditions. This viewfinder features two different modes: Magnification and Standard. Magnification mode provides a 3.0x magnified view on the LCD. Simply flip up the eyepiece to use as a sunshade hood. Includes an adjustable rubber eye cup for user preference and comfort. The viewfinder attaches to your camera by using the included mounting plate. Installing a Swivi viewfinder is quick and simple! Start by attaching the mounting plate under your camera, then seperate the fram from the viewfinder and reverse it. Loosen the screws on the frame and plate side and insert the viewfinder frame into the plate. Adjust the frame front/rear vertical and horizontal to fit your cameras LCD(use the extension frame for battery grips). Tighten the screws on the frame and plate, make sure the viewfinder doesn"t move. To remove the viewfinder simply loosen the screw on the plate side. Features Two Framing modes: 3X Magnification and 1:1 Standard, can take pictures quickly Easy to install and remove with adjustable Frame and Mounting Plate, Swivel Screen Friendly Supports 3.2 LCD with 16:9 ratio 3X optical magnification helps observe fine details Well sealed hood blocks out the light while magnifying the frame for accurate color and focusing Specifications Lens: 3 piece/group Magnification: 3x Diopter: 90% Lens Aperture: 40mm Support: 3" 16:9 Mode: Magnification/sunshade Screen size 68.7mm x 43.5mm Package Includes SWIVI Viewfinder S4 Metal frame Mounting plate Lanyard Compatibility 3" LCDS with 16:9 ratio Sony a7, a7R, a7S, NEX-7, NEX-6, NEX-5R, NEX-5T, A6000, A5000 Olympus E-PL5