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A further setting – Distortion correction – can also be turned on within the camera. The example shown above is Peripheral illumination correction, but on the latest models there are additional corrections applied automatically – Chromatic aberration correction and Diffusion correction.

In third party software, they are discarded. These corrections are applied automatically to JPEG images but they will only be used on RAW files by Canon’s DPP software. Your EOS camera will automatically correct for common lens aberrations if you use Canon lenses. The images below were all opened as RAW files in Adobe's Photoshop and Canon's Digital Photo Professional and converted to JPEG, with no corrections done. Here are five key settings and Canon features which will be stripped out or substituted with generic processes by third party RAW converters. So if the ‘recipe’ is patented, when it comes to camera algorithms, how can you possibly get the same results with a third-party brand imitating what the original does? after all Coca Cola is patented – you cannot make the same recipe – and other brands simply do not taste the same. Much of the data saved with the file are algorithms that are patented by Canon. However, the software can only apply generic settings. If you use third party software, there is an option to process the RAW file using the camera settings. These settings are then applied automatically when the RAW conversion is done, but only if using DPP. The camera saves the RAW image file without applying any corrections, but instead saves the settings you have chosen as data within the image file.

For tabs regarding Windows functions, refer to the user's manual for the Windows.If you shoot RAW the process is different. Those tabs do not appear when opening through Printing preferences or application software.