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Tips and Techniques for Close Focus shim Use
Remove "O" Ring from Probe II focusing Relay
Mount Shim between Objective Lens and Relay
Lens is NOT WATERPROOF when Using Shims
Infinity Focus will be lost
Depth of field will become more narrow as a thicker shim is used
Only one shim should be used - Do not combine shims
Shims->
No Shim
9mm
Front Element
12mm
1/2"
16mm
1 1/4"
20mm
2"
32mm
6"
This minimum focus Data is Courtesy of Clairmont Camera. Please verify the minimum focus with your
particular Camera / Lens / T Stop during camera prep if the absolute minimum focus is critical.
10
20
7/8"
3/4"
1 3/8"
1 1/4"
4"
3 3/4"
www.innovisionoptics.com
30
40
Not Recommended
5/8"
1/2"
1"
3/4"
3 1/4"
3"
50
75
3/8"
1/4"
1/2"
1/4"
2 1/2"
1 3/4"
100
1/8"
1/8"
1 1/2"
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