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Canon EF 300 mm f/ 2.8 L USM Lens

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Canon EF 300 mm f/ 2.8 L USM lens

Optical design

Canon EF 300 mm f/ 2.8 L USM optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Auto Focus (AF)

Lens mounts: Canon EF, EF-S, Canon EF, EF-S

First year of production: 1987

Optical design: 10 elements in 8 groups

Features: Ultra-Sonic Motor
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Specifications:

Focal lengthMax. apertureMin. apertureBladesMin. Focus (m.)Filter Ø (mm.)Weight (gr/oz)Length (mm/in)
300mmf/2.8f/3283482855/100,7253/10

Additional information:

·         Max. magnification 0.11

·         Diameter 125 mm

The Canon EF 300mm f/2.8L USM is a fast telephoto lens for Canon EF SLR cameras.

It is the first lens in the world equipped with an ultra-sonic focusing motor (or USM using Canon's terminology).


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Posted by: dv   Date of publication: 26.09.2011


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