Read Sony SAL1680Z Service Manual online
4-13
SAL1680Z (Vario-Sonnar DT 3.5-4.5/16-80 ZA) (Vario-Sonnar T
*
DT 16-80mm F3.5-4.5 ZA)
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
1)
Install the CF card to the camera.
2)
Set the equipments, camera and master lens as shown in Fig.4-2-1.
Fig.4-2-1
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:
EV12
Setting of Lens:
Zoom:
Wide end (focal length: 16mm)
Focus:
Infinity end
Setting of 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
Luminance box
Luminance: EV12
Luminance: EV12
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
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
Zoom: Wide end (focal length: 16mm)
Focus: Infinity end
Zoom: Wide end (focal length: 16mm)
Focus: Infinity end
Shoot the center of the luminance surface
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