60 Day 100% money back guarantee. RMS-thread alignment eyepiece/adapter with integrated crosshair reticle for microscope setup, centering, and optical alignment. Approx. 24 mm outer diameter and 43 mm overall length. Focus ring and side access to the reticle window; three small set screws for internal alignment. Threads appear clean; glass looks clear with no obvious chips or haze. Brand and model not marked. Includes only the eyepiece; no accessories, illumination, or paperwork. Ideal for aligning optical paths, parfocal checks, and fixture building. Sold as pictured, untested, from Carol Stream, IL.
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