light patch on projector 143x optoma

zigg · 5 Dec 2019 at 23:48

i got this projector and i noticed a light patch in the middle

https://ibb.co/chY4F3b
is this normal ?

lucid · 5 Dec 2019 at 23:49

What's the screen?

zigg · 5 Dec 2019 at 23:53

lucid said:
What's the screen?

Its on a white wall, if i move image elswhere the patch is till there

lucid · 6 Dec 2019 at 00:22

Could be what we call a hot spot. This is when the wall/screen is a bit more reflective than anticipated, and so you're seeing the brighter reflection from the light source.