» Canon lens reviews http://camerablognetwork.com Thu, 16 Jul 2009 05:12:40 +0000 en hourly 1 http://wordpress.org/?v=3.0 Canon 17-40L Lens User Reviews http://camerablognetwork.com/2008/04/canon-17-40l-lens-user-reviews/ http://camerablognetwork.com/2008/04/canon-17-40l-lens-user-reviews/#comments Wed, 09 Apr 2008 02:57:03 +0000 mike http://www.camerablognetwork.com/?p=55 Note: There is a rating embedded within this post, please visit this post to rate it.
Avg price: $600


Lens Construction
12 elements in 9 groups

Focal Length & Maximum Aperture
17 – 40mm; 1:4

Diagonal Angle of View
104° – 57° 30′

Focus Adjustment
Inner focusing system with USM

Closest Focusing Distance
0.28m / 0.9 ft.

Zoom System
Rotating type

Max. Diameter x Length, Weight
3.3″ x 3.8″, 1.1 lb. / 83.5 x 96.8mm, 500g

Filter Size
77mm

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