VT-5E Manual Phoropter, copper fitting insde, best lens coating...
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VT-5E Manual Phoropter, copper fitting insde, best lens coating...
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Item#
VT-5E
Abstract
Inside copper fittings | Best lens coating |
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Description
CE
Note (very important):
Equiped with liner polarization in default (work with projector only)
We can supply circular polaration if you want this Phoroptor works with your polarized chart vision.
Color:
Black &white colors are available.
Features:
■ Elegant design for the appearance and easy and flexible optical lens dials.
■ Precise optical lens with top-grade coating
■ Top-grade quality View Tester .
■ Capable of checking up all-sided visual functions, accurate and comfortable in measurement
■ Can make sphere power adjust in 3.00d big scope
■ Designed expediently and smartly for particular cross cylinder
■ Supplementary fittings of complete set could measure nearsight
■ Clear scale, convenient and durable operating
■ This is suitable for eyesight examination in spectacles shops, department of ophthalmology in hospitals, schools and enterprises
| Specifications: | |
| 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) | |
| +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) |
| Rotary prism: | 0 to 20∆D in 1∆D step |
| Interpupillary adjustment: | 48mm to 80mm in 1mm step (right and left synchronized) |
| Forehead rest adjustment: | 16mm backward and forward |
|
Convergence: (2mm each for right and left inward) |
The optical axes of the lenses are aligned at a distance of 400mm from the vertexes of the corneas |
| Interpupillary distance enabling convergence: | 57mm to 80mm |
| Corneal distance device: | 2mm forward and 5mm backward from standard plane; with scale |
| Effective field of view: | 19mm |
| Weight: | 5kgs |
| Size: | 291~323×315×85 |
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