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

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Product Type

 Lens

Canon EF 17-40mm f/4L USM

Product images (click to enlarge):

Canon EF 17-40mm f/4L USM

Specifications

General characteristics

Brand

Canon

Model

EF 17-40mm f/4L USM

Purchase type

One time

Full name	Canon EF 17-40mm f/4L USM
Type	zoom
Producer Site	link
Announced	2003-02-27
In production	No
Price - launch (EU)	€ 800
Price - launch (US)	$ 800+VAT
Weight	500 gr.
Length	97 mm.
Diameter	84 mm.
Amazon offer

Mount	Canon EF
Sub-type mount	-
...for sensor / crop	Full frame 1.00x
Focals
Nominal focal range	17-40 mm.
Equiv. focals (35mm)	17-40 mm.
Zoom Ratio	2.4x
Powered zoom	No
Zoom extends	No / n.a.
Aperture
Max aperture	f/4
...at longest focal	f/4
Aperture blades	7
Aperture ring	No
Clickless aperture	No
Customizable ring	No
Focus
Autofocus	Yes
Internal focus	Yes
Focus drive	Direct
Focus distance info	Yes
Min focus distance	28 cm.
Max magnif. (opt.)	0.24x
Max magnif. (eff.)	0.24x (35mm. equiv)
Build
Stabilization	No
N° of lenses/groups	12/9
Special elements	1 super ultra-low dispersion
Aspherical	3
Front filter	77 mm.
Weather sealing	Yes
Electric contacts	Yes