YZ-24,Streak Retinoscope,Features:
■ The well positioned filament can be rotated for 3 60° and move upward and downward moved 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).. Specifications
■ Two-steps adjustable brightness for bulb S(Bright), W(Dark).
■ Working Distance 1m
■ Streak 3mm-20mm
■ Streak Rotation 360°
■ Illumination Source 3V/2.1W, Halogen Bulb
■ Input Voltage AC220V±22V/50Hz±1Hz, AC110V±11V/60Hz±1Hz
Manufacturer: Vision Star Optical Co., Ltd – China