NOT KNOWN FACTUAL STATEMENTS ABOUT HOW TO TELL IF PROJECTOR BULB IS DYING

I have been keen on laser projectors for a while now, but what seems off-Placing to me, would be the quoted life expectancy.Therefore if 50% loss at 20k several hours, 25% reduction at 10K hrs. Have you communicated with manufacturer engineers relating to this and does it vary by manufacture as well as design? Thanks.This Web site takes advantage o