Characteristics:

Perfect optics system offers clear image of eyeground. The filters and the glasses are i
mported from Germany, which are multi-coated, mildewproof and anti-reflection.
Specifications:
Illumination form: Large light spot: 3.2mm, Small light spot: 1.6mm, Slit central-net,
Slit, Redfree filter
Diopter compensation:
0, +/-1D, +/-2D, +/-3D, +/-4D, +/-5D, +/-6D, +/-8D, +/-10D, +/-12D, +/-16D, +/-20D, -25D
Light source: 3.6V/ 2.6W halogen bulb
Power supply: AC Power, 220V/50Hz or 110V/60Hz
Input power: 5VA