THE DEFINITIVE GUIDE TO WHY IS MY PROJECTOR SCREEN GETTING DIMMER

Update, Andy. Did a quick comparison measuring the center on the screen applying my light meter using a entire white screen vs 10% window.I utilize the lamp ability mode and iris once the bulb is “new” to dial it right down to 15ftl. Then, because it ages, I open the iris to help keep that 15 ftl output.Abruptly, All those 8 yrs of gaming and F