Optoma HD23 Projector Cage Assembly with Original Projector Bulb Inside Optoma HD23 (Serial Q8EG) Lamp with Original Osram P-VIP Projector Bulb Genuine OEM Osram P-VIP projector bulb OEM specified  designed specifically to fit Optoma HD23 (Serial Q8EG) 180-day warranty for Assembly purchased from BulbAmerica 100% identical lamp as originally used in Optoma HD23 (Serial Q8EG)