The side projection area is large.

Differences in screen shape, the screen projected from the front by the projector is a square rectangular screen, while the screen projected from the side by the projector is a trapezoidal screen with unequal sides; the screen area is different, the screen area of ??the front projected screen will be larger than that of the side projected screen The area is smaller, and the front projection saves space.

It is generally recommended that projector users use the projector in the front projection mode, because the side projection projector intercepts a square picture from the rectangular projection screen for display, which will lose some of the pixels of the projector. , affecting the picture clarity.