Aven 26800C-518 Pocket "Pen Type" Microscope with LED Light, LED Illumination, 50x Magnification, 2.0mm Field of View Pocket pen-type microscope for specimen examination in the engineering, tool making, quality control (QC) inspecting, field researching, gemology, and medical industries Detailed examination with pointed accuracy for inspection of small areas and objects Magnification ability of 50X, with 2.0 mm field of view (FOV) Built-in LED lighting to illuminate objects Plastic and aluminum housing for durability and environmental protection