Specifications

 

EF300mm f/2.8L IS USM

 

EF400mm f/2.8L IS USM
Focal Length/Aperture

300 mm f/2.8

 

400 mm f/2.8

Lens Construction

13 groups, 17 elements

 

13 groups, 17 elements

Minimum Aperture

f/32

 

f/32

Angle of View

Diagonal: 8° 15’

 

Diagonal: 6° 10’

 

Vertical: 4° 35’

 

Vertical: 3° 30’

 

Horizontal: 6° 50’

 

Horizontal: 5° 10’

Min. Focusing Distance

2.5 m/8.2 ft.

 

3 m/9.8 ft.

Max. Magnification

0.13⋅

 

0.15⋅

Field of View

Approx. 176 ⋅ 264 mm/

 

Approx. 155 ⋅ 233 mm/

 

6.9 ⋅ 10.4 inch (at 2.5 m/8.2 ft.)

6.1 ⋅ 9.2 inch (at 3 m/9.8 ft.)

Filter

Any 52-seri

es

d

rop-in filter

Max. Diameter and Length

128 ⋅ 252 mm/5.0 ⋅ 9.9 inch

 

 

163 ⋅ 349 mm/6.4 ⋅ 13.7 inch

Weight

2550 g/90.0 oz

 

5370 g/189.4 oz

Hood

ET-120

 

ET-155

Lens Cap

E-145

 

E-180C

Case

Lens case 300

 

Lens case 400

●The lens length is measured from the mount surface to the front end of the lens. Add 26.5 mm when including the lens cap and dust cap.

●The size and weight listed are for the lens only, except as indicated.

●The Close-up Lenses 250D and 500D cannot be attached.

●Aperture settings are specified on the camera.

●All data listed is measured according to Canon standards.

●Product specifications and appearance are subject to change without notice.

ENG-19