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LYQ Keratometer

 

 

 

 

The name of Technical Data

 

 

 Technical Data

 

 

Dimension of Surveyor’s Staff

 

 

18X24mm

 

 

Distance of Survey’s Staff and Cornea

 

 

175mm

 

 

Total Mignification

 

 

18X

 

 

Objectives Mignification

 

 

1.2X

 

 

Eyeqieces Mignification

 

 

15X

 

 

Curvature radius

 

 

5.5～11m

 

 

Diopter

 

 

30～60D

 

 

Least Graduate

 

 

Radius:0.02mm,Diopter:0.25D

 

 

Refractive Lndex

 

 

1.3375

 

 

Least Diameter of Measure

 

 

r=5.5mm: Ф1.65mm,r=7.5mm:Ф2.3mm,r=11mm :Ф4mmAs

 

 

Astigmatism graduate Range

 

 

0～180°

 

 

Astigmatism graduate Alternation

 

 

5°

 

 

Illumination Bulb

 

 

6V20W Halogen Bulb

 

 

Input Voltage

 

 

220V/50HZ(110V/60HZ)

 

 

Range of Rise or Drop of Slipway

 

 

0～30mm

 

 

Move Range of Slipway

 

 

Left and Right:100,Front and Back:90mm

 

 

Fluctuate Move Range of Jaw part

 

 

50mm

 

 

Difference of LYQ．LYQ-S Instrument

 

 

LYQ-S The instrument of cornea curvature without work table

 

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