Auto Chart Projector RS-1001 is a precision optical instrument for accurate refraction. It provides 30 different charts and 35 masks, with programmable remote control. Duochrome test charts to check single and binocular vision, and polarized test charts to check binocular vision and ocular muscle imbalance. Projection distance 1.5m~ 6m Projection magnification 30 x (at 5m) Projection size 330mm(W) x270mm(H) (at 5m) Chart 30 different pattern Speed of chart conversion One chart per 0.03s Mask 1 open, 5 horizontal lines, 8 vertical lines, 21 single letters, 1 red/green speed of mask conversion One mask per 0.03s Program 2 sets programs, each program contains up to 30 steps LightRead More →