The VistOR SPF Model offers all the features of the SP with the added dimension of a separate integrated light source to power a head-mounted Fiber Optic Head light as well as provide a light source for many of the current brands of cameras. Features of the VistOR SPF Spot Light: Fiber Optic Light Source 4-Position Turret for easy connection to ACMI, Wolf, Olympus and Storz light systems and most brands of headlight Dual power switches allow the Spot Light and the Fiber Optic Light to be used independently or together Separate long-lasting quartz halogen bulbs for each light source