Accurate Phoropter Portable Vintage Optical Instrument Vision Tester Ophthalmic Manual Refraction Equipment Digital Phoropter Manual
Automatically interlock between cross -cylinder lens and lens coordinates.
Description
Features :
◆ Adopting ergonomic operation with large scale and improving performance.
◆ Automatically interlock between cross -cylinder lens and lens coordinates.
Specification
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:
50-80mm,1mm steps
Dimensions: 345×295×85(mm)
Net weight:4.6Kg
