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X3F to PNG
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X3F

Sigma Camera RAW Picture File

X3F is a raw image file format used by Sigma cameras, specifically those with Foveon X3 sensors. The format captures all the data from the sensor without any in-camera processing, allowing photographers to have maximum control over post-processing. The Foveon sensor is unique in that it captures full color information for each pixel by layering photodiodes, distinguishing it from other camera sensors.

PNG

Portable Network Graphics

PNG stands for Portable Network Graphics, and it is a popular raster graphics file format that supports lossless data compression. PNG was created as an improved, non-patented replacement for GIF, and is the most used lossless image compression format on the Internet. It supports a range of colors, including full-color and grayscale images, and also supports transparency, making it suitable for graphics, logos, and detailed artwork.

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