The Zacuto Z-Finder Pro 2.5x Optical ViewFinder is a high-quality accessory designed for digital SLR cameras. It offers a 2.5x magnification for precise viewing on a 3.2" screen, making it ideal for Canon, Sony, and Nikon users. This viewfinder is compatible with various camera models and series, including Canon Cinema EOS and Sony Alpha. Made in the United States by Zacuto, this unit is a valuable tool to enhance your camera experience with improved accuracy and clarity when framing shots.