11
E | Appendix
Table for shims to adjust Compact Prime CP.2 lenses
when used on digital cameras
Shim color
Thickness [mm]
silver
0.013
gold
0.019
purple
0.025
light blue
0.032
red
0.038
blue
0.051
white
0.064
green
0.076
orange
0.102
light purple
0.127
clear
0.152
Example
•
Using a Compact Prime CP.2 35mm/T2.1 lens with an EF mount, scaled in feet and
a test chart at a test distance of 4 ft, an actual distance of 4 ft 1’ is measured. Due
to the table on page 14, a silver shim 0.013 mm must therefore be added to the total
thickness of the shims.
Note
•
Any combination of shims is possible to achieve the required thickness and
therefore the desired flange focal distance.
•
Always use the closest possible combination of shims.
