The Canon PowerShot S100 is a high-end 12.1-megapixel compact digital camera announced and released in 2011.

It has improved noise reduction, white balance and shadow correction.

Canon offered free repairs well beyond the warranty date, even if the camera has a serial number outside the range mentioned in the product advisory; however, this ended when they stopped servicing the S100.

As of 2023, PowerShot S100 remains the only fixed lens camera in Canon lineup to feature shooting in RAW and embedding GPS data, using a built-in GPS receiver.

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