9
E | Appendix
Table for shims to adjust a Lightweight Zoom LWZ.2 lens
when used on digital cameras
Shim color
Thickness [mm]
silver
0.012
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
clear matt
0.190
tint blue
0.203
Example
•
Using a Lightweight Zoom LWZ.2 15.5-45mm/T2.6 with EF mount, scaled in meter
and a test chart at a distance of 1500 mm, an actual distance (object distance to best
focus) of 1530mm is measured. A light-blue shim 0.032mm thick must therefore be
added to the lens groove.
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.
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