MP-40 Manual Phoroptor

MP-40 Manual Phoroptor Features: Ø Adopting ergonomic operation with large scale and improving performance. Ø Automatically interlock between cross-cylinder lens and lens coordinates Parameters: Sphere range: -19.00D ~ +16.75 (Step: 0.25D) Cylinder range: 0.00D ~ -6.00D (Step: 0.25D)( 0.00D to 8.00D with additional lens of -2.00D) Cylinder axis: 0 to 180°, 5°steps Cross Cylinder: ±25 diopters Cross-cylinder lens: ±0.25D Rotary prisms: 0 to 20,1 steps P.D.adjustment: 48-75mm,1mm steps Dimensions: 345*295*85(mm) Net weight: 4.5Kg Sphere powers range: +16.75D to-19.00D,with minimum reading 0.25D or 0.12D When +0.12D auxiliary lens or optional±0.12D lens is in use +26.75D to-29.00D (When optional ±10.00D lens is in use) Cylinder power range: 0 to-6.00D, with minimum reading 0.25D or 0.12D (when auxiliary lens is in use) 0 to-8.00D (when-2.00D auxiliary lens is in use) Astigmatic axis scale: 0 to 180° in 5° steps Cross cylinder: ±0.25D Reversal Type (synchronized with astigmatic axis) Rotary prism: 0 to 20D in 1D step Interpupillary adjustment: 48mm to 80mm in 1mm step (right and left synchronized) Forehead rest adjustment: 16mm backward and forward Convergence: The optical axes of the lenses are aligned at a distance of 400mm from the vertexes of the corneas (2mm each for right and left inward) Interpupillary distance enabling convergence 57mm to 80mm Corneal distance