WF10X/22 High Eye Point Widefield Eyepiece for Microscope 30.0mm – Omax
WF10X / 20 Biological Microscope Eyepiece w Mounting Size 23.2mm Field View 20mm | eBay
WF10X Microscope Eyepiece with Reticle (30.5mm) – AmScope
Amazon.com: AmScope M150C-PS25 Compound Monocular Microscope, WF10x and WF25x Eyepieces, 40x-1000x Magnification, LED Illumination, Brightfield, Single-Lens Condenser, Coaxial Coarse and Fine Focus, Plain Stage, 110V, Includes Set of 25 Prepared Slides :