Samsung on Tuesday announced it will triple the available models in its SL-Series of digital cameras with two 12.2-megapixel and two 10-megapixel cameras. The new SL820 and SL620 share the same 12.2-megapixel sensor, 3-inch LCD screen and 5x optical zoom. Where they differ is with the former's ability to shoot HD videos, recording them in H.264 format at 720p resolution and 30fps compared to the l
