For sale is a Graduated rotating B. HALLE NACHFOLGER optical mount, model MTK-113.These mounts are usually used for the support and orientation of Soleil-Babinet Compensators, polarizing prisms and retarders,etc . The divided circles are lockable into position.
This is a seldom seen rare item at auction. This is a used high quality OEM large optical lens assembly that contains a mounted dove prism internally and an output lens in a molded combined module assembly. This assembly performs image rotation combined with reverse image formation.&n
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