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The Canon Lens 17-40 mm 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
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:
Canon EF 17-40mm f/4L USM
Lens cap E-77U
Rear Dust cap E
Lens Hood EW-83E
Instruction Manual

Manufacturer Warranty


This product comes with a

5 year Australian warranty

from Canon Australia

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Reviews

* Dispatch timeframes are indications only and may vary for multiple quantities. Timeframes are updated regularly during normal business hours.