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Canon G5X II user review and why I'm returning it

Started Sep 6, 2019 | Discussions thread
Jared Huntr Senior Member • Posts: 2,072
Canon always cutting corners (literally)
3

siberstorm27 wrote:

-Underwhelming noise performance. Even at base ISO I don't like the grain at all, and gets much worse past 800. This isn't unique to canon. The rx100 is no different. All the 1" compacts have basically been regurgitating the same sony sensor for years now, with faster readouts but no image improvements. The raws between them all look the same. It's suppose to be 20MP but the resolved detail is barely better than a 12MP smartphone because the pixels always look unflatteringly small and pokey in raw images and once you denoise it to make it look smoother, there goes all the detail.

The RX100 VA compared to the G5x mk1 and mk2 is like night and day when it compares to pixel level detail and noise performance. The problem with Canon is that they cut corners with their lens design such that the image circle fails to cover the entire sensor. For example, here is the raw image from a G7x ii which is similar in performance to the G5x series when it comes to optics:

By the time the camera processor digitally unwarps the image and crops out the black corners, it is left with a 16 Mp image which it then up-samples back to a 20 Mp image. Most users frown on digital zoom and yet we are forced to accept it with this class of Canon cameras. No wonder why details look so crude at the pixel level and noise is magnified.

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