Robust professional quality tripod screens with positive height adjustment, built in keystone correction arm and heavy duty tripod base for extra safety.
- Variable format from square to video or widescreen by simply raising the case on the mast. - Integral Keystone eliminator for OHP use. - Positive lock height adjustment. - Durable Matte White cloth is washable. - Black vertical borders, black case and top bar create a visual frame to your image.