Ultra-high quality and lightning fast Canon L series lens Optical Image Stabilization System increases usability by approximately four stops The lens features a function that prevents erroneous operation when the lens is mounted on a tripod or monopod The EF 70-300 f/4-5.6L IS USM incorporates a floating focusing mechanism for sharpness from 3.9' (1.2m) to infinity Two Ultra Low Dispersion (UD) elements for improved image quality and reduced chromatic aberration The lens accepts an optional removable tripod collar, and is dust and water resistant The Fluorine coating keeps soiling, smears and fingerprints to a minimum
Designed to deliver ultra-high quality images along with lightning fast operation, the new Canon EF 70-300 f/4-5.6L IS USM telephoto zoom lens brings a favorite zoom range to the celebrated Canon L-series of lenses. It features two Ultra Low Dispersion (UD) elements for improved image quality and reduced chromatic aberration, incorporates a floating focusing mechanism for sharpness from close up to infinity, plus an IS system that increases usability by approximately four stops. The EF 70-300 f/4-5.6L IS USM features a function that prevents erroneous operation when the lens is mounted on a tripod or monopod. Gleaming white, with a removable tripod collar, dust and water resistant construction, and a newly developed Fluorine coating that keeps soiling, smears and fingerprints to a minimum, its phenomenal performance and flexibility is assured. For portraiture or to bring what's far away up close, this addition to the L-series is guaranteed to perform.

Technical Specifications
Focal Length & Maximum Aperture: 70-300mm 1:4-5.6
Diagonal Angle of View: 34' - 8° 15'
Focus Adjustment: Lens extension via inner focusing and focus cam plus floating mechanism
Closest Focusing Distance: 1.2m/ 3.9ft
Drive System: Ring USM
Filter Size: 67 mm dia., P=0.75 mm /1 filter
Max. Diameter x Length, Weight: 3.5 x 5.6 in, 2.31 lbs. / 89 x 143mm, 1050g