Canon EF 400mm f/2.8L IS II USM 사용 설명서 - 페이지 15

{카테고리_이름} Canon EF 400mm f/2.8L IS II USM에 대한 사용 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. Canon EF 400mm f/2.8L IS II USM 23 페이지. Ef lens ultrasonic high-performance telephoto lenses designed for eos cameras
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9. Infinity Compensation

Mark

Distance index

To compensate for shifting of the infinity focus

point that results from changes in temperature.

The infinity position at normal temperature is the

point at which the vertical line of the distance

scale L mark is aligned with the distance index.

For accurate focusing in MF on subjects at infinity

distance, look through the viewfinder while rotating

the focusing ring.

Infinity compensation mark

10. Hood

The special hoods that come with all these

lenses cut out unwanted light and protect the

front of the lens from rain, snow, and dust.

To attach the hood, loosen the hood lock knob

by turning it counterclockwise. Fit the hood onto

the lens's hood mount, and tighten the lock knob

to fix it in place. Use the same procedure, in

reverse, to remove the hood.

ENG-14