Canon EF 400mm f/4 DO IS USM Gebruiksaanwijzing - Pagina 2
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Thank you for purchasing a Canon product.
Canon's EF400mm f/4 DO IS II USM is a high-
performance super telephoto lens, for use with EOS
cameras, which includes a newly-developed DO lens
(Gapless Dual-Layer Diffractive Optical Element) and
is designed to be compact and lightweight.
O
O
"DO" stands for Diffractive Optics.
O
O
"IS" stands for Image Stabilizer.
O
O
"USM" stands for Ultrasonic Motor.
Features
1. An optimal combination of DO elements
providing good compensation of chromatic
aberration and an aspherical element
providing good compensation of aberrations,
giving superior definition as well as achieving
compactness.
2. The Image Stabilizer gives the equivalent effect
of a shutter speed 4 stops* faster (when using
an EOS-1D X).
Also, a third Image Stabilizer mode effective for
shooting irregularly moving subjects.
3. SWC (Subwavelength Structure Coating)
reduces flare and ghosting.
4. Using a fluorine coating on the foremost and
rearmost lens surfaces allows adhered dirt to be
removed more easily than before.
5. Ultrasonic motor (USM) for fast, quiet autofocus.
6. Manual focusing is available after the subject
comes into focus in autofocus mode (ONE SHOT
AF).
7. An AF stop button to pause autofocus whenever
desired.
8. A power focus mode enables smooth focus
change.
9. A focus preset function for advance storage
of focusing positions in memory to allow
instantaneous focusing.
10. Can be used with EF1.4× III/EF2× III extenders.
11. Attachment slot provided for wire-type security
lock, located under the cover for the orientation
locking knob.
12. Tight seal structure provides excellent dustproof
and drip-proof performance. However, it is unable
to provide complete protection from dust and
moisture.
13. Designed for lighter weight with parts made of
magnesium alloy.
* Based on CIPA (Camera & Imaging Products
Association) standards.
ENG-1