Canon Lens 17-40mm EF f/4L USM - Digital Camera Warehouse

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Canon Lens 17-40mm EF f/4L USM

The Canon Lens 17-40mm EF f4L USM Ultra-wide high performance zoom lens offering excellent image quality. The 17-40 is protected from the elements by way of a dust and moisture-proof construction. This lens also has a USM (Ultra Sonic Motor) which ensures fast and accurate autofocus.

Ultra-wide high performance zoom lens offering excellent image quality
Dust-proof and moisture-proof construction
Rear focusing and ring USM for silence and high-speed AF
2 UD and 3 types of aspherical elements reducing chromatic aberration of magnification and providing superb image quality
Non-rotating front element during focus

What's in the box?
Canon EF 17-40mm f/4L USM
Lens cap E-77U
Rear Dust cap E
Lens Hood EW-83E
Instruction Manual
12 Month Warranty from Canon Australia

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Canon Lens 17-40mm EF f4L USM

Focal Length & Max. Aperture:		17-40mm 1:4
Filter Diameter:		77mm
Magnification with Extension Tube EF12:		0.83x - 0.32x
Magnification with Extension Tube EF25:		1.02x - 0.70x
Diagonal Angle of View:		104° - 57° (43.2mm)
Horizontal Angle of View:		93° - 49° (36mm)
Lens construction:		12 elements in 9 groups
Minimum aperture:		f/22
No. of aperture blades:		7 (circular aperture)
Closest focusing distance (m):		0.28m
Focus drive:		Ultrasonic
Dimensions:		83.5mm dia. x 96.8mm
Weight:		475g
All data based on Canon's Standard Test Method:
Subject to change without notice:

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