Canon EOS 1V, Service Manual

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1.9 AE A
CCURACY
A
DJUSTMENT
PURPOSE
To adjust the metering sensor’s output level.
STANDARDS
Light Source Image Plane Light Level
EV9 0.0 +/-0.5 EV 0.0 +/-0.5 EV 0.0 +/-0.25
EV12 0.0 +/-0.5 EV 0.0 +/-0.5 EV 0.0 +/-0.25
EV15 0.5 +/-0.5 EV 0.0 +/-0.5 EV 0.0 +/-0.25
NOTE:
As shown in the graph on the
right, the image plane light level
for evaluative metering has been
modified to obtain a more natur-
al-looking picture. This connec-
tion is not applied during test
using a unform light source.
TOOLS
EF-8000 or EF-5000
EF 50mm f/1.8 lens
PREPARATIONS
1) Start up the adjustment software and connect the camera to the HS-I/F. On the
Main Menu, select [F2] AE Adjustment Menu.
2) Attach the EF 50mm f/1.8 lens to the camera and point the lens at the EF-8000
or EF-5000 light source. Cover the eyepiece so that the external light does not
affect the results.
Fig. 4-9 AE precision adjustment.
(During Partial/Spot
Metering)
(During Evaluative
Metering)
SPC Positioning
Output Check
4-18
Part 4: Electrical Adjustments
LV9
Light source
Attach lens (EF 50mm f/1.8) here.
Cover here
Image Plane
Light Level
LV14 LV15 LV16 LV17
EOS-1V
EOS-3,
EOS-1N
+2EV
+1EV