Sloan Letter Proportional Spaced Translucent Chart 66CM756333
A chart used for intermediate distance testing. This chart has Sloan Letter in ETDRS, format with proportionally spaced (logMAR) lines; line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent, 0.05 to 2.00. This chart can either be wall mounted or used in an ESV1200, ESV1500, or a Model A+ illuminated cabinet.
Chart size is 9"x14" (22.9 cm x 35.6 cm).
66cm testing distance.