OSRAM ELC 64653 HLX 250W 24V MR16 Tungsten Halogen Lamp with Reflector: Video Projector Lamps: Amazon.com: Tools & Home Improvement
HEI-FOI-250 MA314309 HeiScope Fiber Optic Illuminator 24V 250W Halogen light bulb, input 110/220 50/60Hz, color temperature 3200K, with a 5/8 inch Fiber Optic Cable Adapter