Distance 20 Ft. Tumbling E and Astigmatic Dial Chart

Description

Distance Tumbling E 20 Ft. (6M) and Astigmatic Dial Chart with red and green bars, Styrene 11×24 inch, 11 lines from 20/10 to 20/200

• Tumbling E Chart with 11 lines from 20/10 to 20/200. Use at 20 Ft (6 M). Lines are 20/200, 20/100, 20/70, 20/60, 20/50, 20/30, 20/20 20/15, 20/10. Includes Astigmatic Dial and red and green bars.
• Styrene chart is 11×24 inches (27.5x60cm).
• Use at 20 feet/6 meters