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optical best sale cheap ophthalmic direct ophthalmoscope YZ11 ophthalmoscope retinoscope
YZ11 Direct Ophthalmoscope
Features:
Ø Elegant appearances.
Ø It is convenient for mobile inspection.Both common dry cell and rechargeable battery power are applicable.
Parameters:
Specification: | |
Illumination Form | Large Spot, Middle Spot, Small Spot, Red Free |
Diopter Compensation | 0 ±1 ±2 ±3 ±4 ±5 ±6 ±8 ±10 ±12 ±16 ±20 -25 -35D |
Illumination Source | 2.6V/0.78W,Incandescent Bulb |
Power | 2# Alkalescent battery,rechargeable battery |



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