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Infinite farness and coaxial illuminate optical system Monocular Zoom Lens Features: 1, Infinite farness and coaxial illuminate optical systems; 2, High-resolution and high definition; 3, Can observe different ...
LED coaxial illumination Monocular Zoom Lens with Magnification Range 7X to 4.5X Features: 1, Unique optical system & precise machinery framework; 2, Sharp micro images & non-coruscant during zoom course; 3, Ca...