New Minus Manual Phoropter Vision Tester Optometry Refractor Creamy White Color

Description

New Minus Manual Phoropter Vision Tester Optometry Refractor Creamy White Color
Features:
Classic appearance, professional technology, precise measurement, easy and convenient operating, and best price value
All the lens are anti-reflection coated.
All Cross-Cylinder lens are Manual lens
New leveling mechanism
Fingertip adjustment for sphere power control
Unique new convergence system mechanism
Wide range of auxiliary lens combinations
Precision machined to finest tolerances
This is suitable for eyesight examination in spectacles shops, department of ophthalmology in hospitals, schools and enterprises
Unique design of butterfly-shape appearance;
Capable of checking up all-sides visual functions,accurate and comfortable in measurement;
Exquisite manufacturing technique with comfortable feel;
High grade plated-film used in all optic lenses.
1. OUTLINE
This new model refractor has been developed to renovate the conventional refractor,assuming a new aspect, to tum the thought of the people who used the conventional model, to an entirely different subjective refractor, easy to master with the highest accuracy.
2. FEATURES
(1) The new set up leveling mechanism.
(2) Control of spherical powers:
Capable of measurement for the fullest range of +16.750-0--19.000 with the step of 0.250. Furthermore by application of an auxiliary lens of +0.120, they are measured with the step of 0.120.
By turning the spherical power quick forwarding dial, necessary powers could be obtained quickly with increment of 3.000.
On the other hand by employing application of sphere auxiliary lenses of +10.000 and-10.000,the wider powers of +26. 750-0--29.000 could be measured.
(3) Measurement of cylinder powers and axis:
Cylinder powers could be obtained within the wider range of 0--6.000 with an increment of 0.250.
Also by employing application of cylinder auxiliary lens of -0.120,they are counted with an 0.120 step,they are counted with an 0.120 step Whilst by employing the attached cylinder auxiliary lens of -2.000 cylinder powers are capable for measurement within the wider range of 0--8.000.Cylinder axis angles are graded from 0-1800 doubly with increment of 50 cylinder axis angle.
(4) Cross cylinder:
By turning the cylinder axis knob the cross cylinder will be moved by the peculiar synchronized mechanism .
The cross cylinder will be turned over by turning the cross cylinder knob lightly. As option+ 0.370, + 0.500 cross cylinder lenses are available and could be exchanged conveniently.
Package:
Weight: 5 kg
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On Dec-18-19 at 20:31:51 PST, seller added the following information: