What is the projection distance of an advertisement projector?
Mainly related to environmental brightness because the light emitted by this projection lamp is definite, and there is no astigmatism and condensation problem.
Mainly related to environmental brightness because the light emitted by this projection lamp is definite, and there is no astigmatism and condensation problem. As long as you use the relative low brightness of the environment, you can clearly highlight the effect of projection lights!
As long as you use the relative low brightness of the environment, you can clearly highlight the effect of projection lights!
