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Camera body 503CW
Adjustment
June 1998Revision 1
5:12
Calibration and control of the flash metering system TTL
Control/calibration should be carried out each time the camera has been in for repair.
The tolerance for the flash meter is ±0.3 EV at all settings.
If the Hasselblad Service System 970600 is used, follow the step by step instruction in the
STS user manual.
Note! For calibration work use ISO 100 and LV15. * (ISO 400/LV12).
If the Test box 902474 is used follow the instruction below.
Calibration requires the following test equipment:
- Planar CF80 mm lens with controlled diaphragm values.
Deviation max. ±10%.
- Magazine fitted with Kodak´s grey card.
- Stabilized DC power supply adjustable to 7.5 volt ± 0.1 volt.
- Calibrated light box with LV12 and 15.
- Test box 902474.
- Non-conductive trimmer, 2 - 2,5mm.
Set-up for calibration:
Lens Shutter B or F
Aperture f 5.6
Camera body ISO 100 * (400)
Magazine Fitted with
grey card
Test box 902474 Exposure knob 0 * (+1)
Tolerance knob Trim
Power supply Voltage 7.5 ± 0.1v
Light box LV 15 * (12)
K-factor 1.3
* From camera serial No. from 19ER18271 - See Service info No. 12/98
Link to: VHABSTS