DIRECT REPLACEMENT FOR VARIOUS MODELS - Our HFA bulb, lamp assembly is a direct replacement for models 740i, 750, 750i, 840, and 860, as well as the flashbulb in the Zeiss Stratus 3000. | ESSENTIAL COMPONENT FOR MAINTAINING ZEISS HFA - The Visual Field Projector Replacement Bulb is a critical component for maintaining calibration accuracy in your Zeiss HFA, ensuring optimal performance over time. | GOLD-PLATED CIRCUITS - Our bulb socket has gold-plated circuits, which ensure optimal connectivity and extended protection from corrosion, maximizing its performance and lifespan. | GERMAN-ENGINEERED BY OSRAM - The Halogen HFA bulb is German-engineered by OSRAM, a well-known brand for precision and reliability, ensuring that it meets the highest standards of quality and performance. | GUARANTEED - The Eye-Stuff Group stands behind all their products, and the projector light bulb is guaranteed to be within the manufacturer's specifications. If you have any issues or questions contact ESG at any time.