0.5X Monocular Auxiliary Objective Lens M24 x 0.75 Microscope Reduction Lenese for Monocular Microscope

1.Material: Metal (Built-in 0.5X high transmission reduction lens with film.) 2.Thread Mount Diameter Size: M24 * 0.75 3.Full Diameter: 30mm 4.Full Height:7.2mm 5.Magnification:0.5X 6.Working Distance:200mm 7.Application:to expand the field of view for monocular microscope.