Canon EF 20-35mm f/3.5-4.5 USM

Links:

Canon EF 20-35mm f/3.5-4.5 USM official main page

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Outline/Reviews

Description by Canon:

LENS DISCONTINUED

Highly portable lens with high optical performance and lightweight

Highly portable lens with high optical performance and light weight of 340g. A very practical ultra-wide-angle zoom. The large front lens group minimizes peripheral darkening, and the flare-blocking diaphragm minimizes flare. Also, with lens group 2 being the zoom group, distortion is corrected.

Reviews:

Canon EF 20-35mm f/3.5-4.5 USM Lens Review @ The Digital Picture

"The Canon EF 20-35mm f/3.5-4.5 USM Lens is rather small and light. It does have a rather large 77mm filter size though. This is good for filter sharing if you also own some of Canon's L Zoom Lenses which typically feature a 77mm filter thread.

Featuring USM (Ultrasonic Motor), the Canon EF 20-35mm f/3.5-4.5 USM Lens focuses fast and quietly. However, I must note that I had

Specifications

Lens type:

Zoom

Lens Mount:

Canon EF mount

Canon EFS mount

AF Motor type:

USM

Distance indication:

Optical characteristics

Focal Length:

20-35mm

Maximum Angle of view:

94°

Minimum Angle of View :

63°

Max Magnification:

0.13 (at 35mm)

Lens construction:

12/11

Diaphragm Blades:

Maximum Aperture:

f/3.5 - f/4.5

Minimum Aperture:

f/22 - f/27

Closest Focusing Distance:

0.34m

Physical characteristics

Diameter:

83.0mm

Length:

67.0mm

Weight:

340g

Filter Diameter:

77mm

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