Pentax today announced the addition of three new cameras to its digital camera lineup. The new 5.0 megapixel Optio 550 and the 4.0 megapixel Optio 450 both offer 5X optical zoom (20X combined), a high resolution 1.5-inch LCD monitor, a movie mode that captures up to ten minutes of video with sound, voice memo-recording mode, panorama assist, and full manual control. The Optio 33L is a 3.2 megapixel digital camera with a 1.5 inch LCD monitor that both swings up and rotates a full 180 degrees. Other features include 3X optical zoom, 30-second movie mode, and more. Pentax will debut all three cameras at the Photo Marketing Association’s Show in Las Vegas from March 2-5.