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This EF300mm f/4L IS USM is characterized by outstanding mobility thanks to the outstanding image stabilizing system. The optics include 2 UD glass elements to thoroughly eliminate secondary spectrum.
- Focal length and maximum aperture: 300 mm 1:4
- Lens construction: 15 elements in 11 groups
- Diagonal angle of view: 8°15'
- Focus adjustment: Rear focusing system with USM
- Closest focusing distance: 1.5m / 4.9ft
- Filter size: 77mm
Compact L-series telephoto lens with an Image Stabilizer which compensates for camera shake with equivalent effect of a shutter speed two stops faster. Two Image Stabilizer modes are provided: Stabilizer Mode 1 (the same mode featured on the EF 75-300mm f/4-5.6 IS USM) and the new Stabilizer Mode 2 which steadies the image during horizontal or vertical panning.
The image stabilizer also functions when using the Extender EF1.4xII or Extender EF2xII to provide that elusive 600mm shooting capability.
- Focal length and maximum aperture: 300 mm 1:4
- Lens construction: 15 elements in 11 groups
- Diagonal angle of view: 8°15'
- Focus adjustment: Rear focusing system with USM
- Closest focusing distance: 1.5m / 4.9ft
- Filter size: 77mm
Compact L-series telephoto lens with an Image Stabilizer which compensates for camera shake with equivalent effect of a shutter speed two stops faster. Two Image Stabilizer modes are provided: Stabilizer Mode 1 (the same mode featured on the EF 75-300mm f/4-5.6 IS USM) and the new Stabilizer Mode 2 which steadies the image during horizontal or vertical panning.
The image stabilizer also functions when using the Extender EF1.4xII or Extender EF2xII to provide that elusive 600mm shooting capability.
AF actuator:
USM
Closest focusing distance:
1.5 m
Component for:
SLR
Diagonal angle of view (max):
8.25°
Fixed focal length:
30 cm
Image stabilizer:
Yes
Lens mount interface:
Canon EF
Lens structure (elements/groups):
15/11
Lens type:
Telephoto
Maximum aperture number:
32
Number of diaphragm blades:
8
Viewing angle, horizontal:
6.85°
Viewing angle, vertical:
4.53°
Other features
Magnification:
0.24x
Weight & dimensions
Diameter:
9 cm
Filter size:
7.7 cm
Length:
22.1 cm
Weight:
1.19 kg