20
2. Adjusting fl ange focal distance in the fi eld:
Rule of thumb:
If you are seeing the structure of the target glass clearly sharp while having
switched off the Image Converter (OFF), the fl ange focal distance is correctly adjusted.
1
2
2.1
2.2
2.3
2.4
Instruction
Mount a fi lm lens to the PRO35.
Use a white chart.
Turn the PRO35 unit OFF.
Open the adjustable “ND fi lter” to Position 0.
Close the iris of the fi lm lens far enough to allow
the video camera to show the grain pattern of the
target glass.
Unscrew lever
h
(shown labelled in photo), and
turn the ring to adjust the sharpness.
Tighten lever
h
.
When the grain pattern is sharp, the PRO35 is pre-
cisely adjusted for the camera.
Explanatory Notes
Select a mid range fi lm lens
(around 50 mm)
Set a white chart at a reasonable
distance to fi ll the image.