Nikon HTM V-PA DIC Analyzer, that will fit the Nikon Eclipse  E800, E1000, and possibly the I80 and I90 microscopes. This hard to find unit carries the current Nikon product number MAN59926 and old product number 93656. The last list price for this analyzer is $984.00. This unit was only removed from packaging  to photograph. All glass surfaces are pristine and new, free from fungus, dust, element separation and scratches. The approximate dimensions are: 125mm X 35mm X 7mm. Thanks for looking!