A specialized optic for truly close-up shooting, this 20mm f/2 4.5x Super Macro Lens from Mitakon Zhongyi is designed for Canon EF-mount DSLR cameras. Offering a magnification range of 4.5x to 4x, and a minimum working distance of 0.8", this lens is solely designed for producing greater-than-life-size images of small objects without the need of extension tubes or other accessories. Its compact form-factor makes it ideal for placing into tight or awkward shooting angles and a metal lens barrel offers durability and rigidity. - Designed for full-frame Canon EF-mount DSLRs, this lens can also be used with APS-C-format models, and will provide a 32mm equivalent focal length. - Specialized super macro lens is designed for working with close-up subjects and provides a maximum magnification of 4.5x and a minimum magnification of 4.0x. - Minimum working distance (distance from front of lens to subject) is 0.8"; the lens does not offer infinity focus. - Manual focus control for fine-tuning focus position and a manually adjustable aperture ranges from f/2 to f/16 for adjusting exposure and depth of field. - Six elements in four groups optical design provides consistent edge-to-edge sharpness and illumination. - Wide-angle focal length pairs with the high magnification range for producing dynamic compositions. - Metal lens barrel is both rigid and durable.