The product can quickly and precisely measure the astigmatism axis. The light can be converged, radiated and paralleled.
Features:
● 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) and W(Dark).
Specifications:
Working Distance |
1 m |
Streak |
3 mm-20 mm |
Streak Rotation |
360° |
Illumination Source |
3V/2.1W,Halogen Bulb |
Input Voltage |
AC220V±22V/50Hz±1Hz、AC110V±11V/60Hz±1Hz |
|