Canon XEED SX 7, 4000 ANSI lumens, LCOS, 1000:1, 1016 - 7620 mm (40 - 300"), 88%, 15 - 100 kHz Canon XEED SX 7. Projector brightness: 4000 ANSI lumens, Projection technology: LCOS, Contrast ratio (typical): 1000:1. Light source type: Lamp, Lamp power: 275 W. Focus: Auto/Manual, Focal length range: 21.7 - 35.8 mm, Digital zoom: 12x. Noise level: 35 dB, Dot clock scanning frequency: 170 MHz. RMS rated power: 1 W The Realis SX7 should be especially successful with the engineering and science crowd, Ideal for command and control centers, as well as architectural firms, and others accustomed to working with workstations and very high resolution PCs and Macs. T... https://www.projectorcentral.com/canon_realis_sx7_review.htm As reviewers, it is our job to find fault with the products that cross our test bench. With the Canon REALiS SX7, that is a fairly difficult task. The projector is bright, but brightness can be adjusted easily; it has a long zoom; it has excellent col...