色播婷婷电影综合社区,AV女优不卡亚洲在线,99999AV,日韩人妻中文字幕视频,国产拍自偷,91人人妻,超碰在线81,免费福利视频一区,九草青草原在线看

China VT-10C ??? - China Supplier
China VT-10C ??? - China Supplier China VT-10C ??? - China Supplier

VT-10C ???

??:530
???: Instruments & Meters/Optical Instruments/Other Optical Instruments
?? ??: Phoropter
???: GODDON
??: Weight: N.W 5kgs; GW 6kgs. Dimensions: 323*315*85mm


Contact Info
  • ??:No. 12-3, Dongfang Building, Choucheng Street, Yiwu, Zhejiang, China, Zip: 322000
  • ??: Lyndon
  • ??:86057985609259
  • ???:info@goddonoptics.com

?? ??

??
?? ??

GD05008
Phoropter
Model No.:VT-10C 
 
Features:
1. Elegant design of butterfly-shape appearance
2. High grade plated-film used in all optic lenses
3. This device is applicable to ophthalmology department of hospitals and spectacle stores for precision measurement of visual functions such as myopia, hyperopia, astigmatism, eyesight balance, heterophoria, stereoscopic vision and eyesight amalgamation
4. Two colors for option
 
Specifications:
Manual Phoropter
Sphere power Range:
+16.75D to-19.00D, with minimum reading 0.25D or 0.12D
(when+0.12D auxillary lens or optional ±0.12D lens in use)
+26.75D to-29.00D
(when optional ±10.00D 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) ±0. 50D optional
Rotary prism: 0 to 20ΔD in1ΔD step
PD adjustment:
48mm to 80mm 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 comeas.
(2mm each for right and left inward) Interpupillary distance enabling convergence=57mm to 80m
Corneal distance device: 
2mm forward and 5mm backward from standard plane: with scale
Effective field of view: 19mm
Weight: N.W 5kgs ; GW 6kgs
Dimensions: 323mm*315mm*85mm

???: Instruments & Meters/Optical Instruments/Other Optical Instruments
?? ??: Phoropter
???Brand: GODDON
??: Weight: N.W 5kgs; GW 6kgs. Dimensions: 323*315*85mm
Stock: 50
Manufacturer:
Origin:
About Toocle.com - Partner Programme - Old Version
Copyright ? Toocle.com. All Rights Reserved.
(浙)-經(jīng)營性-2023-0192
ChatGlobal Chat Me 临高县| 南投市| 夏津县| 铜梁县| 温州市| 张家口市| 清徐县| 图木舒克市| 元谋县| 宜宾市| 金山区| 华蓥市| 且末县| 凌海市| 蓝山县| 新源县| 普定县| 库车县| 青铜峡市| 成武县| 文安县| 冕宁县| 双辽市| 乌什县| 兴安县| 大新县| 双鸭山市| 陕西省| 遂宁市| 略阳县| 奇台县| 石渠县| 左贡县| 常德市| 闽清县| 延长县| 合川市| 隆回县| 仙游县| 柳林县| 图木舒克市|