Please read description carefully.
Do not base your order on the picture presented.
Proportionally-spaced (LogMAR); line sizes range from 20/160 to 20/10 (6/48 to 6/3) equivalent, 0.125 to 2.00. This chart can either be wall mounted or used in an ESV1200 or Model A+ illuminated cabinet.
10 feet/3 meters testing distance