Canon EF 24-70mm f/2.8 L USM Lens

The Canon 24-70mm f/2.8L USM is a terrific new standard zoom L series professional len. The Canon 24-70mm f/2.8 boasts an impressive focal length, aperture and a highly effective dust and moisture protection system.

Features

• Improved Autofocus speed over it's predecessor
• 2 Aspherical elements for high image quality through the zoom range
• 1 UD element to effectively correct chromatic aberration at wide angle
• Highly effective dust and moisture protection
• Class leading minimum focus distance of only 38cm
• Non-rotating front element during focus

Regarded as one of the best general purpose lenses available and one of the most-professionally-used Canon lenses.

The Canon 24-70mm f/2.8 Lens is a very sharp lens - few zoom lenses reach this level of sharpness. Image quality is not the only pro-grade feature of the Canon EF 24-70mm f/2.8 L USM Lens. Excellent AF is part of the equation. A Ring USM AF system delivers quiet, fast and accurate autofocus. The 24-70 L's f/2.8 aperture enables the enhanced-sensitivity of many Canon DSLR body's AF points.

The 24-70mm f/2.8 is by far the best wedding lens for many professional photographers. As portraits are a staple of wedding photography, the Canon 24-70mm f/2.8 L USM Lens makes a great portrait lens. On a full frame body, group, environmental and moderately tight portraits work best.

Other than wedding photography, the Canon EF 24-70mm f/2.8 L USM Lens is often employed for sports needs in this focal length range. Since sports action is usually moving fast, the f/2.8 aperture is often the minimum opening necessary to stop action at these venues.

Canon 24-70mm f/2.8 Specifications

Focal Length & Max Aperture:	24-70mm 1:2.8
Weight:	950g
Filter Diameter:	77mm
Magnification with Extension Tube EF12:	0.63x - 0.18x
Magnification with Extension Tube EF25:	1.25x - 0.40x
Diagonal Angle of View :	74˚ - 29˚ (43.2mm)
Horizontal Angle of View:	84˚ - 34˚ (36mm)
Lens Construction :	16 elements in 13 groups
Diameter x Length (mm):	83.2 x 123.5 mm
Minimum Aperture:	f/22
No. of Diaphragm blades:	6
Minimum f/stop:	f/22 (at 28mm)
Focus Drive:	Ultrasonic
Closest Focusing Distance:	0.38m