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Technical Specifications

PARAMETER SPECIFICATION
Illumination Large light spot (3.2mm), small light spot(1.6mm),Slit Central-net,Red-free filter
Diopter compensation 0、±1D、±2D、±3D、±4D、±5D、±6D、±8D、±10D、±12D、±15D、±20D、-25D
Light source 2.6V、2W Mini-halogen lamp
Power supply 2*1.5 V dry cell (2#)
Input power 5VA