Meiji Techno, MA503, Super Widefield Eyepiece for EMZ, EMT, EMF ModelsA Super Widefield Eyepiece (pair) with 25mm reticle mount Field No. 15.4, Eye Relief 12.5, Focal Length 16.6Super Widefield Eyepiece (pair) Field No. 15.4, Eye Relief 12.5, Focal Length 16.6 with 30.5mm O.D. (Outer Diameter), with 19mm reticle mount. This15X Super Widefield Eyepiece is designed to fit our Meiji Techno models EMZ (Zoom Series), EMT (Turret Series), EMF (Fixed Series), but not compatible with High Eyepoint Models.Modular FlexibilityEMZ Series zoom stereo microscopes are most the rugged microscopes from Japan and tailored to fit the needs of each and every customer. Modular design enables the user to engineer their own custom solution for virtually any application, selecting components from the widest range bodies, stands, eyepieces, supplementary lenses, illuminators, camera adapters, and accessory components available in the microscope industry today.Superb OpticsMulti-coated optical components, free form chromatic and spherical aberration, provide crystal-clear, high resolution images. The Greenough optical design provides superior erect, unreversed, stereoscopic images, rich in contrast, brightness and correct in their original color. Excellent depth of field and a flat image rendition are also characteristic of the EMZ Series product line.Rugged DependabilityAll-metal aluminum alloy microscope bodies and components with chemical resistant finishes guarantee stability and rugged dependability for a lifetime of day-in and day-out use. Superior craftsmanship, quality components and materials result in long-lasting, high-performance products.NOTE: Additional items are needed to create a full microscope system. The following components are normally ordered:Stereo Microscope Body (Zoom, Turret or Fixed)Eyepieces (Requires 2 of identical magnification)Stand (Pole stands, rigid arm stands, boom stands, heavy duty boom stands, wide surface stands or articulated arm stands)Illumination Source (Fiber optic halogen, fiber optic LED, fluorescent ring or LED illumination)Auxiliary Lens (Optional).