Canon EF 70-200mm f/2.8L IS III USM Telephoto Zoom Lens – 3.5-Stop Image Stabilizer, Ring USM, Dust and Moisture Sealed, 1480 g

70-200mm Telephoto Zoom
70-200mm focal range with a constant f/2.8 maximum aperture and an f/32 minimum aperture, for full-frame Canon EF mount cameras. Angle of view runs 29 to 10 degrees horizontal, 19 degrees 30 minutes to 7 degrees vertical and 34 to 12 degrees diagonal. The diaphragm has 8 blades.

Optical Construction
23 elements in 19 groups. Distance information is supplied to the camera body.

3.5-Stop Image Stabilizer
Optical image stabilisation rated at 3.5 stops under CIPA standards.

Ring USM Autofocus
A ring-type ultrasonic motor drives autofocus, with full-time manual focus available.

Close Focusing
Closest focusing distance is 1.2 m, giving a maximum magnification of 0.21x at 200mm. With Extension Tube EF12 II magnification runs 0.28 to 0.06, and with Extension Tube EF25 II it runs 0.36 to 0.14.

Extender Support
Compatible with Canon extenders. With Extender EF 1.4x the focal length becomes 98-280mm with a maximum magnification of 0.30. With Extender EF 2x the maximum aperture becomes f/4-45. Autofocus and image stabilisation remain available with both.

Sealed Construction
Sealed against dust and moisture. A rubber ring on the lens mount forms part of that sealing and may cause slight abrasion of the camera mount, which Canon states does not affect lens or camera performance.

Physical
Maximum diameter is 88.8 mm and length is 199 mm, with a weight of 1480 g. The filter diameter is 77 mm. Associated accessories are the Lens Cap E-77II, Lens Hood ET-87, Lens Case LZ1326 and Lens Dust Cap E.