ID:
2497
Maker's Name:
unknown
Dimensions:
5 × 5.8 × 2.5 cm
A dial gauge used to measure the power in dioptres (inverse radius of curvature in m) of a lens surface.
2497 - Lens Gauge
A dial gauge used to measure the power in dioptres (inverse radius of curvature in m) of a lens surface.
