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PEF to AVIF
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PEF stands for Pentax Electronic File, and it is a raw image file format used by Pentax digital cameras. This format stores unprocessed image data directly from the camera's sensor, allowing photographers to maintain a high level of control over image adjustments such as exposure, color balance, and sharpness during post-processing. PEF files provide the potential for higher image quality, as they preserve more information than standard compressed image formats.

AVIF (AV1 Image File Format) is a cutting-edge image file format developed by the Alliance for Open Media, utilizing the AV1 video codec for highly efficient image compression. It supports a wide range of features including high dynamic range, wide color gamut, and 8-10 bit color depth, all while achieving significantly smaller file sizes compared to traditional formats like JPEG and PNG, though it may not be as widely supported across all platforms and software yet.