Canon C12-8453, Service Manual

Page: 161 / 271

1.8 AE A
CCURACY
A
DJUSTMENT
P
URPOSE
:
To adjust the gain and output level of the SPC sensor
S
TANDARD
:
Light source Film plane Illumination* When checking SPC positioning output
EV9 0+/-0.5EV EV9, 0+/-0.25
EV12 0+/-0.5EV EV12, 0+/-0.25
EV15 0.5+/-0.5EV EV15, 0+/-0.25
* During evaluative metering
T
OOLS
:
EF-8000/5000, AE sensor
EF 50 mm f/1.8 lens
P
REPARATIONS
:
1) Start the adjustment software, connect the camera to the HS-I/F, and select [F2] AE
Adjustment menu in the MAIN MENU.
2) Mount the EF 50 mm f/1.8 lens on the camera, then position the camera facing the
light source of the EF-8000/5000. Shield the camera’s eyepiece so that it is not
affected by external light.
Fig. 4-8 AE Accuracy Adjustment
Part 4: Electrical Adjustment
4-13
LV9
Mount the lens (50 mm f/1.8)
Shield from light
Light
Source
• Before carrying out this adjustment, the AE temperature compensation
must already have been carried out.
This adjustment doubles as the E-TTL basic metering adjustment, so
check E-TTL accuracy after adjustment.
CAUTION