Camera builder Olympus has announced the E-450, its newest entry-level DSLR. The camera is a replacement for the earlier E-420, and sports a 10-megapixel sensor, combined with a TruePic III+ image processor. Light sensitivity ranges only from ISO 100 to 1600, while shooting speed is limited to 3.5fps, supplemented by a buffer capable of holding just eight RAW images; the camera does however bene