Every Canon EF Lens: Read the Reviews, See the Specification & Check the Price
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One of Canon's best quality lenses, making extensive use of flourite and UD elements. Just look at any major sports event to see how popular this, and its mk2 version are.

Available from: Amazon.com | Amazon.co.uk | B&H | Adorama

Lens specifications

Focal Length & Maximum Aperture 300mm 1:2.8
Lens Construction 17 elements in 13 groups
Diagonal Angle of View 8° 15'
Focus Adjustment Ring type USM, inner focusing system, full-time manual focus
Closest Focusing Distance 2.5m /8.2 ft
Filter Size 52mm rear drop in
Max. Diameter x Length, Weight 128 x 252mm, 2,550g

EF300mm f/2.8L IS USM telephoto lens block diagram

300mm versions

Version f/2.8L USM f/2.8L IS USM f/2.8L IS II USM f/4L USM f/4L IS USM
Image stabilizer  No  Yes Yes  No  Yes
Ring USM  Yes
L-series  Yes
Diffractive Optics  No
Ultra-low dispersion glass element  Yes
Macro  No
Maximum aperture f/2.8 f/4
Minimum aperture f/32
Weight 2.855 kg 2.550 kg 2.400 kg 1.165 kg 1.190 kg
Max. Diameter x Length 12.8 cm x 25.2 cm 12.8 cm x 24.8 cm 9.0 cm x 22.1 cm
Filter diameter 48 mm drop-in 52 mm drop-in 77 mm
Horizontal viewing angle 6° 50'
Vertical viewing angle 4° 35'
Diagonal viewing angle; 8° 15'
Groups/elements 8/10 13/17 12/16 7/8 11/15
Diaphragm blades 8 9 8
Closest focusing distance 3 m 2.5 m 2 m 2.5 m 1.5 m
Release date November 1987 July 1999 September 2010 December 1991 March 1997

Note that there is a Canon 300/1.8 lens used for horse racing photofinishes - there is however very little info about this rare lens and it is not listed on any Canon sites.

EF300mm f/2.8L IS USM reviews and articles

Written a review? Contact us and we'll add it to the list.

Sample images

None available at present.

Product launch

No information available on the 1999 launch of this lens.

Used Canon Lenses
• UK: MPB | Park
• USA: B&H | Adorama
Every Canon EF Lens: Read the Reviews, See the Specification & Check the Price
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