Full frame compatible with an 18.8 degree angle of view on full frame cameras and a 12.4 angle of view on APS-C cameras. Rokinon Ultra Multi-Coated (UMC) Optics. Compatible with both full frame and APS-C format mirrorless E mount cameras Minimum Focusing Distance of 2.6 ft. with fast apertures of f2.0 - f22 Features 9 diaphragm blades and includes a removable lens hood.One extra-low dispersion (ED) lens element reduces chromatic aberrations The Rokinon 135mm F2.0 ED UMC Telephoto Lens for Canon EF is a manual focus prime lens designed to deliver exceptional image quality for portrait, landscape, and astrophotography enthusiasts. With its fast f/2.0 aperture, this lens excels in low-light conditions, allowing photographers to capture sharp, bright images without the need for a tripod. Equipped with an extra-low dispersion (ED) element, the lens effectively reduces chromatic aberrations, ensuring high-contrast and color-accurate images across the frame. The Ultra Multi-Coated (UMC) optics further enhance image quality by minimizing flare and ghosting, resulting in clear, sharp images with improved contrast and color fidelity. The smooth manual focus control, featuring a long, well-damped focus throw, allows for precise focusing, which is essential for portraiture and astrophotography, where accurate focus is crucial. This lens is compatible with both full-frame and APS-C Canon EF mount cameras, providing an 18.8 angle of view on full-frame cameras and a 12.4 angle on APS-C cameras. Included in the package are the lens, a removable lens hood, lens caps, a carrying pouch, and a user manual, ensuring you have everything needed to start shooting right away. Whether you're capturing stunning portraits, expansive landscapes, or the night sky, the Rokinon 135mm F2.0 ED UMC Telephoto Lens offers exceptional performance and value, making it a valuable addition to any photographer's kit.