These binocular magnifying loupes easily clip on a pair of glasses (glasses not provided). The pupillary distance can be adjusted with the central adjustment knob. The double hinge design allows vertical adjustments in front of the glasses so that the optical pieces can be positioned perfectly in front of the eye. Switching between magnified and normal view is possible by flipping up the loupes.
The flip-up hinge tension can be adjusted. The vertical adjustment hinge should be secured after setting up the loupes.
动物解剖放大镜 Roboz放大镜RS-6686 精密解剖放大镜
Specifications: Magnification 3.5 X Working distance* 420 mm Depth of field 55 mm Field of view 60 mm Weight 52 gr 动物解剖放大镜 Roboz放大镜RS-6686 精密解剖放大镜 *The loupes will provide a sharp image at the Working distance +/- the Depth of field. | 
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