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Choosing the stability of frames, solved the wearing loose influence on the watch. Designed two hands adjustment reverse screw. Adjusted to the same spin to the synchronization. High adjustment precision. Silver small knob, especially designed for the head lamp, only one minute to achieve the perfect combination with the head lamp.
SpecificationMagnification: 4.0 XWorking Distance: 370/420/460/500 mmField of View: 80 mmNet Weight: 0.3 kgPackage Size: 208*138*80 mmOperation medical magnifier