Check the listing for details. Rare Hamamatsu X1699 MSLM MCP Image Tube Microchannel Spatial Light Modulator. Condition: Used. Listed at 400.00 USD. For sale is the rare 18 mm Hamamatsu X1699 image tubes MSLM MCP Mircochannel Spatial Light Modulation, made in Japan. Item is tested on the basic photocathode tube section only, good response. However I can not fully test due to the special anode read out circuitry required.