Every Canon EF Lens: Read the Reviews, See the Specification & Check the Price
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Canon EF50mm f/1.0L USM

Overview

Canon's 1989 50mm f1.0 lens was only ever produced in small numbers, and at f/1.0 was the fastest Canon lens in production. The optical construction of this lens contains 11 lens elements in 9 groups, including two ground and polished aspherical lens elements. It has a floating front extension focusing system, using a ring-type USM motor.

Not at all easy to find - expect to pay a lot of money for a used example.

ef 50mm f/1.0Lens specifications

Launched September 1989
Lens Construction (group) 9
Lens Construction (element) 11
No. of Diaphragm Blades 8
Minimum Aperture 16
Closest Focusing Distance (m) 0.6
Maximum Magnifcation (x) 0.11
Filter Diameter (mm) 72
Maximum Diameter x Length (mm) 91.5 x 81.5
Weight (g) 985

Lens construction

50/1 lens construction

EF50mm f/1.0L USM reviews and articles

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Sample images

Used Canon Lenses
• UK: MPB
• USA: B&H | Adorama
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