April 28, 2017, 05:09:16 pm
Hi Shaheen, welcome to the Lumion Support Center.
The Motion Blur
effect blends a number of 'neighbouring' frames to get the final frame. This gives the illusion of motion blur, both if the camera moves and if objects move. The number of blended frames depend on the star quality. 5-star quality provides the best quality.
For that reason, please note that you have to render a frame to see the final motion blur effect.
Here's an example where a few cars are driving past a stationary camera: