Canon Projectors come from the same folks that currently dominate the high end consumer and professional camera industry. Their projectors – using LCoS or LCD designs, have excellent color and sharpness. Canon may be best known for making projectors for the education and medical markets. They have an extensive lineup that also focuses on portable, install, and commercial business projectors.
The Canon Realis WUX450ST is a rather specialized installation class projector suitable for certain business and education applications.
The Canon REALiS WUX6000 is an "Installation" class projector with very high resolution claiming 6000 lumens of light output.