Canon EOS 600 User Manual
Page 109
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AF Control System;
TTL-SIR (TTL secondary imaged registration)
phase-detection type using BASIS (base-stored
image sensor) AF operation starts when the shut
ter button is pressed halfway AF in-focus in
dicator lights upon ranging completion. Three
selectable modes:
1 ONE SHOT; AF operation ends and focus is
locked once ranging is completed. Shutter
does not release until ranging is completed.
2 Al SERVO: Focus continuously adjusts to fol
low the subject movement. Shutter can be
released at any time regardless of ranging
completion
3. MANUAL; By rotating the manual focusing
ring after focus mode switch is set to “M”.
AF Working Range:
EV 1-18 at ISO 100
AF Auxiliary Light:
The near infrared light (peak sensitivity:
700 nm) is automatically projected with spe
cified Canon Speedlites.
Shutter:
Vertical-travel focal plane shutter with soft-touch
electromagnetic release. All speeds electronically
controlled
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