Canon EF 20mm f/2.8 USM

Specifications for the Canon EF 20mm f/2.8 USM

Lens Category and Release Details
Lens Mount Type	EF
Lens Category	Wideangle Primes
Launch Date	June, 1992
Initial Price	$539.00
Lens Characteristics
Diameter	78mm
Length	71mm
Weight	405g
Filter Thread	77mm
Rear Filter Installed	False
Weathersealing	False
Focal Length	20mm
Number of Elements / Groups	11/9
Maxiumum Aperture	2.80
Minumum Aperture	22.00
Minumum Focal Distance	0.25m
Number of Diaphragm Blades	6

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Purchase Links for the Canon EF 20mm f/2.8 USM

Canon USA
Canon USA Refurbished
Amazon
B&H PhotoVideo
Adorama

• Aperture Range: f/2.8-22
• Aspherical and Super UD Elements
• Ultrasonic Autofocus Motor
• Floating Rear Focusing System
• Manual Focus Override
• Metal Filter Ring and Lens Hood Mount
• Truly Circular Diaphragm
• Minimum Focus Distance: 9.8"
• 72mm Filter Thread Diameter