- The well positioned filament can rotated up to 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.
- Quick and convenient recharging, against over recharging.
- Zoom illumination adjustment.SPECIFICATIONS
- Illumination Source: 3.5V/2.8W，Halogen Bulb.
- Power Supply: Charger, AC220V/ 50Hz or AC110V / 60Hz
- Battery: Lithium battery DC:3.7V.
- Power Input: 20VA
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