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Proportionally spaced (logMAR) lines; line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent. Chart fits in Quantum Series, Model A+, and Model A illuminated cabinets. Chart size is 9″ x 14″ (22.9 cm x 35.6 cm). 16″ (40 cm) testing distance.
756300