Amscope

HL-150

HL-150A, HL-150AY: white

HL-150B: black

Got one with missing power cord. Power plug: GX16-3 (3 pin aviation connector). Couldn't find anything COTS, but connectors are cheap and just making my own

Port: primary 20 mm (19.9 mm fiber) diameter recessed 15 mm. Then inner is 16 mm diameter recessed 13 mm

Similar to: HGY3 Fiber Optical Illuminator, 24 Volt 150 W Lamp, 20mm Fiber Optic Aperture