Completely CNC turned Stainless Steel to provide exacting accuracy. The Precision Sphere Bell Gauge is available in 8mm, 20mm, 35mm, 40mm, 50mm, and 60mm chords. Custom bell diameters can be made upon request. This gauge is a comparatively inexpensive, and a highly accurate way to check front lens curves.
Mitutoyo analog 0.01mm digital indicator, Mitutoyo IDU 0.01mm digital indicator, or with A Mitutoyo IDC 0.001mm digital indicator.
ADD $195.00(EACH) FOR ANALOG .01mm INDICATOR
ADD $205.00(EACH) FOR DIGITAL .01mm INDICATOR