Aperture Diameter Check/Adjustment - Sony SAL135F18Z Service Manual

Ver. 1.4 2007.12
The changed portions from
Ver. 1.3 are shown in blue.
4-2.

APERTURE DIAMETER CHECK/ADJUSTMENT

4-2-1. Aperture Diameter Check
Equipment
• Luminance Box
• Camera DSLR-A100
• AE Master Lens
• Compact Flash (CF) Card (For image saving)
• Personal Computer (PC)
(Color Calculator 2 installed)
1. Preparations
Note: Confirm the checking lens by complete. (The adjustment of focus brush is completed.)
1) Install the CF card to the camera.
2) Set the equipments, camera and master lens as shown in Fig.4-2-1.
Luminance box
Luminance: EV12
3) Shoot the images under the following conditions and save them.
Note: Shoot the center of the luminance surface three times with the master lens and checking lens.
Setting of Luminance box:
Luminance:
Setting of Lens:
Focus:
Setting of Camera:
ISO:
Exposure Mode:
shutter Speed:
Aperture:
Focus Mode:
Metering:
Preset white balance: Tungsten
D-R:
SAL135F18Z (Sonnar 1.8/135 ZA) (Sonnar T
Shoot the center of the luminance surface
Camera
ISO: 100
Exposure Mode: M
Shutter Speed: 1/125
Aperture: F5.6
Focus Mode: MF
Metering: Center weighted
Preset white balance: Tungsten
D-R: OFF
Master lens or checking lens
Focus: Infinity end
Fig.4-2-1
EV12
Infinity end
100
M
1/125
F5.6
MF
Center weighted
OFF
135mm F1.8 ZA)
*
4-13