广州市泰得光电有限公司
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描述
联络供应商
描述
- Sphere powers range……..........................… +16.75D to -19.00D,
- Wth 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 powers range ….......0.00D to -6.00D, Step:0.25D or 0.50D
- (Whenlens auxiliary is in use)
- 0 to -8.00D (when -2.00D auxiliary lens is in use)
- Astigmatic axis scale………….....……….............0° to 180°, Step:5°
- Cross cylinder…………………......……+/-0.25D or+/-0.50D optional
- Rotary prism………………………...…….....…………0 to 20△D in 1△D
- Interpupillary adjustment……….....……48mm to 75mm 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=51mm to 80mm
- Corneal distance device…..………2mm forward and 5mm backward
- From standard plane
- Effective field of view…………....................................………19mm
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