1. This equipment at present that can measure accurately the low-degree lens below ?.12 in our country. 2. This equipment that can measure accurately the colored lens with a degree of transparency of 10%. 3. This equipment that can accurately and quickly measure the progressive lens. 4. This equipment that can display the pupil diameter. 5. this equipment can measure the pupil distance & be equipped with UV meter & built-in thermosensitive printer. 6. this equipment with fast measuring speed, clear interface, convenient operation,accuracy and good repeatability etc. Specification: Sphere:0 to ?5D(0.01D,0.12D,0.25D step) Cylinder:0 to ?0D(0.01D,0.12D,0.25D step) Axis:0-180?1?step) ADD:0 to 10D (0.01D,0.12D,0.25D step) Prism:0 to 10△(0.01D,0.12△,0.25△ step) Step:0.01D & PD:80mm(Optional) Lens Diameter:Max.approx.120mm UV:Outin UV (Optional) Compensation of:Abbe number rang:20 to 60, Measurable:>10% and over:(20% and over ?5D to ?5D) Contact lenses:0 to ?5D,BC6.00 to 9.00 Display:Full graphic LCD with back light(Black/White)320?40 Printer:Built-in thermosensitive printer,paper size 38mm (Optional) Power: AC110V/60Hz,40W