Projectionst is a lens calculator for the professional A/V Technician.

It also contains a detailed product specification database of most common professional high end projectors from Barco, Christie digital, Projection Design, Panasonic, Sanyo and more are included.

The app can be used to calculate projector lens & distance at a given screen size, or calculate screen size from a given distance & lens for a particular projector. In addition many edge blend calculations can be made.

For a complete list of supported projectors please visit:
http://www.neodarque.com/Projectionist/Projectors