Click here to view the pdf catalogue
Pupil sizes from 1.5 mm to 10 mm in 0.5 mm increments are easily measured. Can be used vertically or horizontally.
The reverse side has a mm scale for measurement of PD. Ruler is printed on clear semi-rigid plastic.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 566000