Langfang Far East Prosperous Optical Instrument Co., Ltd
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Phoropter
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Description
- 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) - 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 20∆D in 1∆D step
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Supplier info last updated: 1 Sep 2019
Advertise since: 1 Sep 2013
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