Parameter: Sphere power range:+16.75d~-19.00d,with minimum reading 0.25D or 0.12D(when +0.12D auxiliary lens or optional ±0.12D lens in use)+26.75D~-29.00S(when optional ±10.00D lens in use) Cylinder power range:0~-6.00D,with minimum reading 0.25D or 0.12D(when +0.12D auxiliary cylinder lens in use) 0~-8.00D(when -2.00 auxiliary cylinder lens in use) Cylinder axis:0-180°,5°steps Cross cylinder:±0.25D reversal,±0.50D optional Rotary prism:0△~20△,1△ step PD adjustment:48mm~80mm,1mm step Forehead rest adjustment:16mm Convergence adjustment:the optical axes of the lenses are aligned at a distance of 400mmm from the vertexes of the cornea(2mm each for right and left inward),interpupillary distance enabling convergence = 57mm to 80mm Corneal distance device:2mm forward and 5mm backward from standard plane with scale Effective field of view:19mm Dimentsions(packing):580mm(L)x430mm(W)x250mm(H) Weight(packing):7.0kgs
Shanghai Jianongda International Group
No.383,East Huancheng Road,Fengpu Industrial Zone,Fengxian,Shanghai,China.
0086-21-5740-7426/6715-8578
info@jianongda.com