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page 49 of 80
6.2.3.3.3.8. Iris scale
In general, you can start creating the iris scale from either open or closed.
Note: If you are not using an iris motor, please enter the wide open iris value of your lens.
Move the control interface assigned to iris (slider as default) until the datum line on your
lens matches the desired T-stop value.
Use the thumb wheel to scroll clockwise or counter-clockwise until you see the
corresponding numeric value in the blue input box. As an alternative, you can also swipe
the touch screen up or down.
Once the desired value is highlighted in the blue input box, press “set” (MB2) and the
value mark will be set on the grafical scale bar. As an alternative, you can also tap the
touch screen to confirm your selection or press the back button (BB1).
Move the control interface to the next line and value on your lens.
If you move the lens from the last set value in one direction, the lens wizard will predict
the next value.
If the predicted value is not a value marked on your lens, use the thumb wheel to scroll
clockwise or counter-clockwise until you see the desired value in the blue input box. As
an alternative, you can also swipe the touch screen up or down.
Once the desired value is highlighted in the blue input box, press “set” (MB2) and the
value mark will be set on the grafical scale bar. As an alternative, you can also tap the
touch screen to confirm your selection or press the back button (BB1).
Continue this procedure until you have set all important values on your lens.
Note: It is not necessary to assign every single lens value because the cPRO system will
predict missing values automatically. However, to achieve the best matching lens data, it is
recommended to input and assign as many values as possible using this procedure.