Overview: The Canon EF100-400mm f/4.5-5.6L IS II USM lens is a
lightweight, high-performance telephoto zoom lens for Canon EOS full-frame and
APS-C cameras. When
used on APS-C cameras, the focal length is equivalent to 160-640mm. It has a
standard Canon EF-mount, and comes with front and rear lens caps, a lens hood,
and a padded storage case.
Image Stabilizer: The EF100-400mm zoom lens has an optical
image stabilization system that provides up to four stops of shake correction.
There are three stabilizer modes:
- Mode 1: Corrects vibrations in all directions; mainly
for shooting still subjects.
- Mode 2: Compensates for vertical camera shake while you
are panning the camera, following a moving subject. It also compensates for
horizontal camera shake when tilting the camera in a vertical direction.
- Mode 3: Corrects vibration only during exposure. During
panning shots, it corrects vibration during exposure only in one direction
(same as Mode 2).
Zooming Resistance: The resistance of the zoom ring can be
adjusted to suit your preference. The Zoom Touch Adjustment ring tightens or
loosens the operational feel of the zoom control. The ring can be rotated toward
Tight to increase the zooming touch, or Smooth to reduce it.
AF/MF Switch: A switch on the lens barrel lets you select
Auto Focus (AF) or Manual Focus (MF). Full-time manual focus
allows you to manually focus with the focus ring, even while the lens is in AF
Focusing Range Switch: The Focusing Range Switch lets you
select a focusing range of either Full (3.22' to infinity) or 3m/9.84' to
infinity, depending on shooting conditions. By setting an appropriate focusing
range, the actual focusing time can be reduced.
Lens Hood: The included ET-83D lens hood can keep unwanted
light out of the lens, and protect the front element. The hood includes a
circular polarizing filter adjustment window, which allows you to rotate the
circular polarizing filter while the hood is attached. When attached, the lens
hood adds approximately 4" to the overall length of the lens. When not in use,
the hood can be mounted in reverse on the lens.
Optional Lens Extenders: You can attach an optional Canon
Extension Tube for magnified shots. With the EF1.4X II or
EF1.4X III Extender, the focal length becomes 140-560mm with an aperture of
f/6.3-45 (W) f/8-57 (T). With the EF2X II or
EF2X III Extender attached, the focal length changes to 200-800mm with an
f/9-64 (W) f/11-81 (T) aperture.
- Focal Length: 100-400mm
- Lens Construction: 21 elements in 16 groups
- Maximum Aperture: f/4.5 (W) to f/5.6 (T)
- Minimum Aperture: f/32 (W) to f/40 (T) (or f/38 with
- Minimum Focus Distance: 3.22' (0.98m)
- Angle of View:
- Diagonal: 24° to 6°10'
- Vertical: 14° to 3°30'
- Horizontal: 20° to 5°10'
- Filter Size: 77mm
- Diameter: 3.7"
- Length: 7.6" (8.55" with lens caps)
- Weight: 55.4 ounces
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