Review of Optoma X304M .
This Optoma X304M projector is in the mid-range of the projector market, and it was released in **.
As for the projection system specifications, the Optoma X304M has a brightness of 3,000 ANSI (brightness is important if the room is not dark enough) and a contrast of 10,000:1. The Optoma X304M projector has a resolution of 1024x768 with a throw of 1.2 - 12.0 and it produces a rather normal fan noise of 33 dB.
As for the image system, Optoma X304M has no vertical lens shift nor a horizontal lens shift, and the Optoma X304M has the vertical keystone correction but no horizontal keystone correction.
Lastly, the Optoma X304M is HDMI compatible, it has a VGA IN port, the Optoma X304M has an audio out, and has a USB port.