Every Canon EF Lens: Read the Reviews, See the Specification & Check the Price
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A superb quality white lens that helped launch Canon's EF lens mount.

Lacking the AF refinements and IS found in later models, it's an excellent performer in low light. Widely used in sports photography, so check any examples very carefully for damage and wear.

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

Lens specifications

Focal Length & Maximum Aperture 300mm 1:2.8
Lens Construction 10 elements in 8 groups
Minimum Aperture 32
Maximum Magnification (x) 0.11
Closest Focusing Distance 3m
Filter Size 48mm
Max. Diameter x Length, Weight 125 x 253mm, 2,855g

Canon EF300mm f/2.8L 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 USM reviews and articles

  • Canon UK / US Information Page
  • Amazon
  • Northlight Images
  • Canon CPN article
  • Fred Miranda
  • Lens Tip
  • Digital Picture
  • PhotoZone
  • SLR Gear
  • Lens Review
  • ePhotozine
Written a review? Contact us and we'll add it to the list.

Sample images

None available.

Product launch

No information available on the 1987 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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