Canon L-Series RF 135 mm F1.8L IS USM Telephoto Camera Lenses is outstanding optical design and construction. Compresses the image for flattering portraits and increased subject separation. 5.5-stop Optical Image Stabilizer, shoot confidently in low light. For low light performance and shallow depth of field. For exceptionally sharp images with reduced chromatic aberrations. Nano USM motor for smooth, fast and near-silent operation. ASC (Air Sphere Coating) to prevent flare and ghosting. Convenient and customisable for additional control, default to AF-stop. For extra control over ISO, aperture and shutter. Specifications: Image Size: Full Frame, 35mm Film Equivalent Focal Length (mm): 135mm, Angle of View (Horizontal, vertical, diagonal): 15 degrees, 10 degrees , 18 degrees, Lens Construction (Elements/Groups): 17/12, Special Optics: 3 x UD, Number of Diaphragm Blades: 9, Minimum Aperture: 22, Closest Focusing Distance (m): 0.7, Maximum Magnification (x): 0.26, Control Ring: Yes, Image Stabilizer OIS1: 5.5, Image Stabilizer IBIS x OIS2: 8, AF Actuator: Nano USM, Coatings: ASC, Super Spectra, Fluorine: Front, Lens Cap: E-82 II, Lens Hood: ET-88B, Lens Case/Pouch: LP1319, Rear End Cap: Lens Dust Cap RF, Dust/Moisture Resistance: Yes3, Filter Diameter (mm): 82.