| specifications︰ | Specifications:
1.Illumination Form: big spot (Ф3.2mm), small spot (Ф1.6mm), redfree, central net, slit;
2.Diopter Compensation: 0,±1,±2,±3,±4,±5,±6,±8,±10,±12,±16,±20,-35(D);
3.Power Supply: AC 220V/50Hz;
4.Illumination Bulb: 3.5V/2.8W halogen lamp;
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