Canon EF200mm F2.8L II USM 지침 - 페이지 10

{카테고리_이름} Canon EF200mm F2.8L II USM에 대한 지침을 온라인으로 검색하거나 PDF를 다운로드하세요. Canon EF200mm F2.8L II USM 13 페이지. Ef lens built-in ultrasonic motors

11. Filters

(sold separately)

A filter can be attached by

screwing it on the front of the

lens.

When a circular polarizing filter

is required, use Canon's

polarizing filter PL-C. The

polarizing filter cannot be

rotated unless the hood is

detached or retracted first.

ENG-9

12. Extenders

Separately-sold Canon

Extenders EF 1.4

II and EF

II can be attached to any of

the four lenses. The extenders

increase the lens' focal length

by 1.4

and 2

respectively,

and the maximum aperture

respectively decreases by 1

stop and 2 stops. The

autofocusing speed also

decreases to maintain proper

AF control.

When Extender EF 1.4

•

EF 2

II is attached to the EF

400 mm f/5.6L USM lens, the

lens switches automatically to

manual focus. Also, when

Extender EF 2

II is attached

to the EF 300 mm f/4L USM

lens, the lens switches

automatically to manual

focus.

II or