Please read description carefully.
Do not base your order on the picture presented.
Proportionally spaced (logMAR); line sizes range from 20/125 to 20/8 (6/38 to 6/2.4) equivalent, 0.16 to 2.50.
This chart can either be wall mounted or used in an ESV1200 or Model A+ illuminated cabinet.
10 feet/3 meters testing distance