The product can quickly and precisely measure the astigmatism axis. The light can be converged, radiated and paralleled.
Characteristics for Streak Retinoscope with good price (MCE- YZ24):
·The well positioned filament can be rotated for 360° and move upward and downward. Brightness of the streak can be adjusted.
·Quickly and precisely measure the astigmatism axis.
·The light can be converged, radiated and paralleled.
·Automatic turning off effectively protects the bulb.
·Two-steps adjustable brightness for bulb: S(Bright),W(Dark).
|Illumination Source||3V/2.1W,Halogen Bulb|
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