> > Canon EF 300mm f4.0 L IS USM Lenses
Canon EF 300mm f4.0 L IS USM Lenses

Canon EF 300mm f4.0 L IS USM Lenses

 

Weight (g):

 

1,190

Filter Diameter (mm):

 

77

Maximum Magnification (x):

 

0.24

Magnification with Extension Tube EF12:

 

0.30-0.04

Magnification with Extension Tube EF25:

 

0.37-0.09

Diagonal Angle of View:

 

8° 15'

Horizontal angle of view:

 

6°50'

Lens Construction (elements/groups):

 

15/11

Max. Diameter x Length (mm):

 

90x221

Minimum Aperture:

 

32

No. of Diaphragm blades:

 

8

Closest Focusing Distance (m):

 

1.5

AF Actuator:

 

USM
(Mechanical full-time manual focusing built-in.)

EF1.4x AF (Y/N):

 

Y

EF1.4x Focal length (mm):

 

420

EF1.4x f-stop (f):

 

5.6-45

EF1.4x Maximum magnification (x):

 

0.33

EF2.0x AF (Y/N):

 

N

EF2.0x Focal length (mm):

 

600

EF2.0x f-stop (f):

 

8-64

EF2.0x Maximum magnification (x):

 

0.47