Canon EF 24-70mm f/2.8L USM

Canon EF 24-70mm f/2.8L USM 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
Closest Focusing Distance (m): 0.48m
Minimum f/stop: f/22 (at 28mm)
Focus Drive: Ultrasonic
Closest Focusing Distance: 0.38m

The Canon EF 24-70mm f/2.8L USM is a high-performance zoom lens whose maximum aperture can be used at all focal lengths. It includes the normal 50mm focal length and a minimum focusing distance of 50 cm - close enough to shoot subjects as small as a CD-ROM or an entry-level EOS camera body. The large aspherical element used on the front helps obtain a high image quality comparable to single focal length lenses.

This lens is also my personal favourite. I use it more often than I do with my EF 16-35mm f/2.8L USM and the EF 70-200mm f/2.8L USM zoom lenses. In fact, it is the lens that I carry with me most of the time since it offers the most suitable range of focal lengths for a photojournalist.

The Canon EF 24-70mm f/2.8L USM has Improved Autofocus speed over it’s predecessor with 2 Aspherical elements for high image quality through the zoom range and 1 UD element to effectively correct chromatic aberration at wide angle. It’s also has

Highly effective dust and moisture protection with Class leading minimum focus distance of only 38cm and Non-rotating front element during focus

Canon EF 24-70mm f/2.8L USM Sample Photo

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Posted by St3v3
http://www.st3v3photography.com

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