Used in professional optical shop to measure the curvatures of custom generated mirrors. Capable of measuring radii to within 1/4" on small mirrors and 1" with large mirrors. Top of the line.
Accuracy to: +/- .00005" or .005mm. Range 0 - .5"
Well cared for and in perfect condition.
Comes with all original packaging and box.
Originally cost $279 new, only $175 plus shipping.