Product Highlights: EF Mounted L-Series Lens Range of aperture is f/4.0-22 2 UD and 2 Super UD Lens Elements Double aspherical Lens Elements Hybrid Image Stabilization (IS) Ring-Type of Ultrasonic Autofocus Motor Macro Mode having 0.7x Magnification Weather Resistant to Moisture and Dust Fluorine Coatings decrease Fingerprints Zoom Lock Lever The EF 24-70mm f/4L IS USM Lens from Canon is optimized for complete-frame 35mm sensors, and one more entry into Canon’s high class L-series of lenses. It has 2 Super Ultra-low Dispersion (Super UD) and 2 standard UD lens elements functioning mutually to reduce chromatic aberrations, and minimize color smudging around the boundaries of your object. Its two kinds of aspherical elements join to help minimize spherical aberration over the whole image area and the complete zoom range. Optimized lens coverings help ensure outstanding color rendering while decreasing ghosting. Its type of ring high-speed CPU and Ultra Sonic Motor (USM) with optimized AF algorithms, make sure you experience rapid, quiet and full auto focusing every time you require it. The lens has better dust and moisture resistance to guard it from damage outdoors, on the other hand fluorine coatings on the front and back lens surfaces oppose fingerprints and smearing. The rounded 9-bladed diaphragm produces stunning, supple background effects. A zoom lock lever grasps the zoom position at 24mm wide end for secure transporting while joined to an EOS DSLR camera over the shoulder – stopping lens creep. Hybrid Image Stabilization (IS) Establishing image stabilization to their 24 to 70mm L-series lenses, Canon’s Hybrid IS offers 4 stops of useful shutter speed compensation for both kinds of camera shake when executing macro photography: angular and shift. This means you can shoot in dimmer circumstances, capturing images with shutter speeds up to 4 stops slower than would or else be possible. Dual UD & Super UD Lens Elements This optical lens’ design uses 2 Super UD and 2 UD lens elements to reduce chromatic aberration in the ends of your wide-angle shots. It also eradicates color blurring around the edges of objects, for images with better resolution and contrast. Dual Aspherical Lens Elements In addition to the elements of UD, this lens joins two kinds of aspherical lenses to decrease spherical aberration and attain better image quality across both the whole screen area and all through the full 24 to 70mm Zoom range. Ring-Type Ultra Sonic Motor (USM) A ring-type USM and fast-speed CPU having optimized AF algorithms allow silent and rapid auto focusing to help you focus correct on the action. Minimum Focusing Distance: 1.25′ This lens has a smallest amount focusing distance of 1.25′ (0.38 m) across the whole zoom range, not including the macro mode. Macro Mode With 0.7x Magnification Full macro shooting is probable thanks to the Macro Mode Switch. With up to 0.7x magnification, it is simply reachable with a one-touch switch at 70mm telephoto end of the zoom range. Manual Focus Override In One Shot Autofocus mode manual focus can be applied for exacting accuracy. Weather Resistant to Dust & Moisture This lens is extremely resistant to dirt and water, lets you to shoot in ruthless conditions when necessary. Fluorine Coatings Reduce Fingerprints Fluorine coatings on both the front and back lens surfaces resist blurs and fingerprints. Zoom Lock Lever Keep your lens from by accident extending, or creeping, when you don’t desire it with the Zoom Lock lever. It locks the zoom position at the large end for secure transporting, when the lens is most compacted.