Review of Optoma W303ST .
This Optoma W303ST projector is in the low-price range, and it was released in August 2015.
As for the image system, Optoma W303ST has no vertical lens shift nor a horizontal lens shift, and the Optoma W303ST has the vertical keystone correction but no horizontal keystone correction.
Lastly, the Optoma W303ST is HDMI compatible, it has a VGA IN port, the Optoma W303ST has an audio out, and has a USB port.