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Chapter 1
✦
Roadmap to the EOS 50D
17
light in the lower right side of the viewfi nder
lights steadily and the camera sounds a focus
confi
rmation beep when sharp focus is
achieved.
While lenses are covered fully in Chapter 8,
navigating the camera includes the lens, so I
include lens controls here. Additional lens
controls may include the following depend-
ing on the lens.
Lens Controls
Lens controls diff er according to the lens that
you’re using. One aspect that all Canon
lenses have in common is full-time manual
focusing. You can switch to manual focusing
by setting the switch on the side of the lens
to MF, or Manual Focusing. Manual focusing
includes focus assist. As you adjust the focus-
ing ring on the lens, the focus confi rmation
Filter mounting thread
Focusing ring
Distance scale
Focusing distance range selection switch
Zoom ring
Lens mounting index
Orientation locking
knob
Tripod
mount
Image stabilizer mode switch
Image stabilizer switch
Focus mode switch
1.8
Lens controls, as shown on an EF 70-200mm f/2.8L IS USM lens
Содержание EOS 50D
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