Optoma UHD51 Projector Lamp with Module - MyProjectorLamps UK
Optoma UHD51 Review « 7Review
AWO Original Projector Lamp Bulb BL-FP240E / SP.78V01GC01 with Housing Fit for OPTOMA UHD300X,UHD40,UHD400X,UHD50,UHD51,UHD51/A,UHD51A,UHD550X,UHD60,UHD65 - Newegg.com
Original Lamp Bulb With Housing fit for Projector OPTOMA UHD300X,UHD40,UHD400X,UHD50,UHD51,UHD51/A,UHD51A,UHD550X,UHD60,UHD65|Projector Bulbs| - AliExpress
Optoma UHD51 projector throw chart and tables from Ivojo Multimedia Ltd.