GearCast Video - Optoma EH505 Multimedia Projector Introduction

Designed to deliver extraordinary performance and superior reliability to satisfy your large venue projector install needs, the Optoma EH505 provides a bright, powerful 5000 lumens output combined with a remarkable 2,000:1 contrast ratioDefinition:
Contrast ratio describes the video dynamic range of a display device as a relationship between the brightest color (white) and the darkest color (black) that the system can produce. Two methods are used to specify contrast ratio; the full on/full off method describes the dynamic contrast ratio and the ANSI (American National Standards Institute) method measures the static contrast ratio. to deliver amazingly bright, color-rich presentations with sharp, clear text and graphics.