At the same time, always ensure that you are doing a bit of research about the recent prices of the tool you are aiming to purchase. Doing so will allow you to get a hint about the amount that you will need to have to make the purchase. ...
and it adds SDI-in and -out ports as well as a mechanical shutter to deliver a totally black screen in between tag-team presentations or theatrical scenes or help with smooth fade-ins and -outs. It will also help avoid damage to the projector's LCD panels from stray beams...