Magnification: 10-30 times Objective lens diameter: 50 mm Eyepiece diameter: 20 mm Field of view: 5.0°-3.4 Focusing method: middle
Magnification: 10-30 times Objective lens diameter: 50 mm Eyepiece diameter: 20 mm Field of view: 5.0°-3.4 Focusing method: middle
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