LEA SYMBOLS® 12-Line Translucent Distance Charts,255100
Proportionally spaced (logMAR); line sizes range from 20/100 to 20/8 (6/30 to 6/2.4) equivalent, 0.20 to 2.50. This chart can either be wall mounted or used in an ESV1200, ESV1500, or a Model A+ illuminated cabinet. Includes response key and instructions.
Measurements: 9 in x14 in (23 cm x 35.5 cm)
Test distance: 13 feet / 4 meters