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Lens Clock

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Lens Clock

Lens Clock

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SKU: 32-LENSCLOCK

Short Description


The lens clock has three pointed probes that make contact with the surface of the lens. The outer two probes are fixed while the center one moves, retracting as the instrument is pressed down on the lens's surface. As the probe retracts, the hand on the face of the dial turns by an amount proportional to the distance.


 
OptiSource

Manufacturer: OptiSource

Manufacturer SKU: 32-LENSCLOCK

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