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The FOH fixed optical holders are designed to be mounted to PR and MPR series precision mounting rods. FOH series optic adapters come complete with non-marring Delrin® retaining rings for 0.25-, 0.5-, 1.0-, 1.5-, and 2.0-inch optics. There is also a model for mounting standard microscope objectives. Mounting of the FOH series can be accomplished on either end via 8-32 or M4 tapped holes. There are also clearance holes on either end for face mounting to bulkheads.
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