2PCS WF10X WF15X WF20X WF25X WF30X Wide Field Eyepiece For Binocular Trinocular Stereo Microscope 30MM Installation Interface Specification: Magnification: WF5X WF10X WF15X WF20X WF25X WF30X Field of View: 22mm 20mm 15mm 10mm 9mm Mounting Size (in diameter): 30mm Quantity: 2 pieces (one pair) Suit microscope: stereo microscope Feature: wide field, high eye-point. Package incluede: 2 X Microscope Eyepiece For example, WF10X/20MM wide-angle multiples 10X, field of view range 20MM
