This firmware update includes the following fixes and improvements:Superb image quality: 10.1 Megapixel CMOS Sensor, extensive noise reduction technology, and 14-bit conversion for outstanding color tones and gradations. Features: Outstanding performance: 6.5 fps, burst rate up to 75 consecutive JPEGs or 17 RAW images and DIGIC III Image Processor. Strong, rugged build quality: magnesium-alloy exterior, shutter durability-tested to 100,000 cycles, top speed 1/8000, top x-sync speed 1/250. New AF system with 9 cross-type sensors, and world's first diagonal high-precision cross-type AF at center point with f/2.8 and faster lenses. EOS Integrated Cleaning System, Picture Style settings, Spot metering, and Highlight Tone Priority for advanced in-camera image control. Large 3.0-inch LCD monitor and advanced Live View Function with new options for reduced shutter time lag and quiet operation. Wide range of accessories, including interchangeable focusing screens, extensive remote control options, new battery grip BG-E2N, and new dedicated wireless file transmitter WFT-E3A.