Canon EOS 55 - Page 47

Part 2: Technical Information
0 ..
Eye-Controlled Autofocus
BASIS
Fixed aperture
BASIS case
BASIS retainer
Dichroic mirror
retainer
Dichroic mirror
Holde
Eyepiece lens retaine
Eyepiece lens 2
IRED case 1
Condenser lens
IRED case 2
IRED masks (2)
Eyepiece frame
IRED covers (2)
To eye
Fig. 2-2 Components of the Eye-Controlled Autofocus unit
IR-8
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J(
I
I
.\ I
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IR-5 IR-
.. .
1 IR-2
Fig. 2-3 IRED illumination system
IR-7
IR-6
Table 2-3 Camera orientation and IRED activation
J..Orientation/Eyeglass Use ➔
Without Glasses
Horizontal
Upright
IR-1 / IR-2
Upside down
IR-1 / IR-2
Vertical
Grip on top
IR-1 / IR-4
Grip on bottom
IR-2/ IR-3
2-3
With Glasses
IR-5/ IR-6
IR-5 / IR-6
IR-5 / IR-8
IR-6 / IR-7