Distance 20 Ft. Tumbling E and Astigmatic Dial Chart

A Tumbling E chart with 10 lines from 20/200 to 20/10. Use at 20 Ft (6M). Features an Astigmatic Dial on top at 20/20 and red and green bars.

Dimensions: 11" x 24" (27.5 cm x 60 cm).

Testing distance: 20 feet/6 meters.