Canon's 5D Mark III indeed looks quite improved over the 5D Mark II, despite the slightly smaller pixel pitch. It also shapes up well against Nikon's 24-megapixel D3X, an impressive feat. Pixel area difference: 25 µm² (183%) A pixel on Canon 5D Mark III sensor is approx. 183% bigger than a pixel on Canon 77D. Pixel density. 7.3 MP/cm². 2.58 MP/cm². Difference: 4.72 µm (183%) Canon 77D has approx. 183% higher pixel density than Canon 5D Mark III. To learn about the accuracy of these numbers, click here. CIPA is an independent, standard measurement that determines how many shots a camera can take before the battery dies. has a removable battery. Canon EOS 5D Mark III. Nikon D800. The battery is removable and can be replaced by the user if broken. has a rechargeable battery. Canon EOS 5D Mark III. Nikon D800. The 22-megapixel Canon EOS 5D Mark III offers new autofocusing, metering and sensor technology and incorporates feedback from professional users to take this legacy to an entirely new level. Key features: · Full frame 36x24mm, 22 megapixel CMOS sensor ISO range 100-25600, expandable to 104,200. · 14-bit A/D conversion has a microphone input. Canon EOS 5D Mark III. Nikon D5. A microphone port allows connecting external high-end or specialized microphones. has a socket for a 3.5 mm audio jack. Canon EOS 5D Mark III. Nikon D5. With a standard mini jack socket, you can use the device with most headphones. You probably saw this one coming. I just pre-ordered a Canon 5D Mark III from Amazon . Here’s why. A Focus on Photography I shoot a lot of stills with my 5D Mark II. It’s a great camera. But it’s a camera out of balance. The sensor can work in light so low that the autofocus system, inherited f The image sensor on the Canon 5D Mark III has 22.3 effective megapixels of resolution, with a Digic 5+ processor handling the data as it comes off the sensor. The improvements on a pixel level allow the camera to use smaller pixels than the 5D Mark II, but improve signal-to-noise ratio despite that. 47mKOq2.