https://www.hamamatsu.com/eu/en/product/optical-sensors/electron_ion-sensor/mcp/MCP/F2395-04.html
MCP (microchannel plate) F2395-04 | Hamamatsu Photonics
F2395-04 is a circular MCP with a center hole and an effective area of Φ105.0 mm.
microchannel platehamamatsu photonicsmcp