Seller
Kazakhstan, Almaty
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9 years on Allbiz
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Description
The ophtalmoscope mirror OZ - 5 (further – the ophtalmoscope) is intended for research of an eyeground, and also for objective definition of a refraction by a skiaskopiya method.
The ophtalmoscope is used in eye offices of policlinics, hospitals and out - patient clinics.
Ophtalmoscope service conditions: range of temperatures from plus 10 °C to plus 35 °C; relative humidity no more than 80% at a temperature of 25 °C.
Specifications
| Focal length of a concave mirror, mm | 170±10 |
| Diameter of an opening in the reflecting layer of mirrors, mm | 3,5 + 0,5 |
| Light diameter of mirrors, mm, not less | 42 |
|
Sizes of openings of diaphragms, mm: - round (diameter) - rectangular |
10±0,5
(5±0,4)? (40±0,8) |
| Back vertex refraction of lenses of magnifying glasses, dptr |
plus (13±0,25) and plus (20±0,35) |
|
Weight, no more: - mirror ophtalmoscope - in a complete set of delivery |
50
200 |
| Overall dimensions, mm | 140? 65? 13 |
| Average term of service, flying, not less | 3 |
Sign of a limit condition of the ophtalmoscope is emergence of defects on the reflecting layer (points, spots, scratches no more than 0,4 mm, etc. ) which total area can make more than 20% of the total area of a mirror.
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