Chart(Distance): ESV1200™ and ESV1500™ - Sloan Letter Proportionally Spaced - US Notations (10ft/3m)

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This adult and children distance chart is the same as the 600705 Sloan Letter Chart, but the lines are labeled with only 10 ft and 20 ft notations. Proportionally-spaced lines; lin e sizes range from 10/80 to 10/5 (20/160 to 20/10) equivalent. This chart can either be wall mounted or used in an ESV1200™, ESV1500™, or a Model A+ illuminated cabinet. Dimensions: 9" x 14" (22.9 cm x 35.6 cm). 10 feet/3 meters testing distance. Show more