Unitron / Tiyoda Tokyo P15x photo eyepiece *Japan*

• Description: Overstock from my lab. In like new condition. Quality Japanese glass. Multicoated lenses. Excellent marks in resolution tests!!! Great for astronomy and planetary eyepiece projection technique!! Very limited quantity available. Seems a Plössl design 17mm focal length in 23,2mm microscope barrel.
• Issues: none, maybe some marks in body, but that's all.