Canon EF300mm f/2.8L IS II USM 사용 설명서 - 페이지 2
{카테고리_이름} Canon EF300mm f/2.8L IS II USM에 대한 사용 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. Canon EF300mm f/2.8L IS II USM 23 페이지. High-performance super-telephoto lense
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Thank you for purchasing a Canon product.
Canon's EF300mm f/2.8L IS II USM and EF400mm
f/2.8L IS II USM are high-performance super-
telephoto lenses, for use with EOS cameras.
"IS" stands for Image Stabilizer.
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"USM" stands for Ultrasonic Motor.
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Features
1. The Image Stabilizer gives the equivalent effect
of a shutter speed four stops* faster.
Also, a third Image Stabilizer mode effective for
shooting irregularly moving subjects.
2. Use of fluorite lens elements giving superior
definition.
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. Circular aperture for producing beautiful
softfocus images.
11. Can be used with EF1.4× III/EF2× III extenders.
12. Attachment slot provided for wire-type security
lock, located under the cover for the orientation
locking knob.
13. Tight seal structure ensures excellent dustproof
and drip-proof performance.
14. Designed for lighter weight with parts made of
magnesium alloy.
* Based on [1/focal length] second.
Generally, it requires a shutter speed [1/focal length]
second or faster to prevent camera shake.
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