Description:
- Professional to measure dioptric power of a lens and calculate the radius of curvature.
- For use with both glass and plastic lenses.
- Quickly identify and check base curve.
- The precision scale is uncrowded and easy to read.
- Convenient to use and easy to carry in a .
- Measuring Range: 0-20mm
- Material: metal
- Size: approx. 6x1.2cm/ 2.4x0.48 inch
Package Includes:
1x Lens Clock
Note:
Please allow 1-2cm(0.4-0.8 inch) size difference due to measurement. Thank you!