Tumbling E Linear-spaced Distance Chart800729
A Tumbling E distance vision chart with linear-spaced lines; line sizes range from 20/100 to 20/20 (6/30 to 6/6). This chart can be used in an illuminated ESV1018 cabinet or hung on a wall.
Dimensions: 10" x 18" (25.4 cm x 45.7 cm).
Testing distance: 20 feet/6 meters.