Fotga Foldable Universal LCD 3x Viewfinder for 3.0"3.2" Screen Canon Nikon Dslr Camera The ST-1 LCD viewfinder will magnify your LCD screen image by 3x so that you can easily focus on your subject, and will also offer a true view of your image when working outdoors in bright daylight The LCD Viewfinder attaches to your DSLR camera through a solid metal Quick Release baseplate designed with a non-slip platform. You can lock the Universal LCD Viewfinder for 3.0" 3.2" Screen Canon Nikon DSLR in place when in use, or quickly unlock the when not in use 1/4 and 3/8 Screw Holes at the bottom of the baseplate. Viewfinder can be mounted on a tripod and a shoulder bracket 3.0x Magnification, with 3 piece of lens , transmittance 90%, diopter  3, lens aperture 40mm With its extensive forward, back, horizontal, and vertical adjustments the ST-1 LCD Viewfinder has been designed to fit a variety of cameras from small to large