A Tumbling E chart featuring linear-spaced lines; line sizes range from 20/80 to 20/16 (6/24 to 6/4.5) equivalent. This chart can either be wall mounted or used in an ESV1200, ESV1500, or a Model A+ illuminated cabinet.
Features 20 ft and 6 meter notations.
Dimensions: 9″ x 14″ (22.9 cm x 35.6 cm).
Testing distance: 20 feet/6 meters.
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