Children's Optical Biomicroscope System with 2X and 16X Ramsden Eyepiece Lens, 11MM for Biological Lab Use View product
Children's Optical Biomicroscope System with 2X and 16X Ramsden Eyepiece Lens, 11MM for Biological Lab Use View product
Children's Optical Biomicroscope System with 2X and 16X Ramsden Eyepiece Lens, 11MM, 23.2MM Compatible View product
WF10X Wide Field Ramsden Eyepiece for Biological Microscope, 23.2 mm Mounting Size, 16 mm Field, with or without Micrometer Reticle View product
WF10X Wide Field Ramsden Eyepiece for Biological Microscopes, 23.2mm Mount Size, 16mm Field, with or without Micrometer Reticle View product