| http://www.w3.org/ns/prov#value | - 20100053773PROJECTION LENS AND PROJECTION DISPLAY DEVICE USING THE SAME - Disclosed are a projection lens that has a simple inner focus structure, an appropriate back focal length, telecentricity, a high optical performance, and a small size and can effectively correct, particularly, lateral chromatic aberration, and a projection display device.2010-03-04
|
