digital refractor phoropter

Brand Name:NANBEI

Model Number:NB-Z3000

Place of Origin:Zhengzhou

Specifications: ● Sphere power Range:+16.75 to -19.00D Step:0.25D ● Cylinder power Range:0.00D to -6.00D ( 0.00D to 8.00D with additional lens of-2.00D) Step:0.25D ● Cylinder axis 0 to 180°,5°steps ● Cross Cylinder ±25 diopters ● Cross-cylinder lens ±0.25D...

Brand Name:KESHILONG

Model Number:GD8803

Place of Origin:China

7.0-inch Color LCD Touch Screen Digital Optometry Phoropter Digital Viewer Tester GD8803 Features: 1. 7.0-inch color LCD touch screen; Stylish and compact design 2. Auto detachment printer; Independent PD adjustment 3. Built-in LED for near vision ...

Place of Origin:China

Brand Name:SUCE

Model Number:VT-700

2019 Launched Digital Phoropter / Fully Auto Comprehensive Refractometer / High-end Digital Refractometer Technology Parameter Sphere -29.00D~+26.75D (0.12D/0.25D/0.50D/1.00D//2.00/3.00D) Cylinder 0.00D~+8.75D (0.25D/0.5D/1D/2D/3D steps) Axis angle 0~180...

Brand Name:Tontube

Model Number:SPX5-80

Place of Origin:China

SPX5-80 High Quality High Astronomical Telescope 350x Optical Digital Zoom 4K Video Night Vision Reflector Telescope Scope SPECIFICATION: ●Digital Zoom 18x:In lunar observation mode, the 5-megapixel and super starlight-grade CMOS sensor supports a maximum ...

Brand Name:ETON

Model Number:HT-E5S

Place of Origin:CHINA

... lens lenses are made according to the law of light refraction. A lens is an optical component made of a transparent substance such as glass, crystal, or the like. The lens is a refractor whose refractive surface is two