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Camera RAW requires full image development. This browser engine does not implement it yet.
Pentax PEF needs camera- and file-aware development to produce a rendered JPEG image. White balance, exposure, camera colour interpretation and, where applicable, demosaicing determine that rendering. The destination does not retain the original RAW development latitude. No development settings or camera support are implemented yet.
Typical JPEG files are lossy. The original standard also defines a separate lossless mode; it is not the usual web or camera JPEG. JPEG uses lossy image encoding in this delivery workflow. Re-encoding can change edges, textures and colours; it cannot recover detail already missing from Pentax PEF. Quality, chroma handling and file size depend on the future encoder.
Source
Pentax Electronic File
Pentax native raw images; compatible cameras may offer PEF or DNG recording.
Explore Pentax PEF format →Target
Joint Photographic Experts Group
A familiar format for photographs. JPEG keeps files compact by trading a little image detail for broad compatibility.
Explore JPEG format →Pentax PEF needs camera- and file-aware development to produce a rendered JPEG image. White balance, exposure, camera colour interpretation and, where applicable, demosaicing determine that rendering. The destination does not retain the original RAW development latitude. No development settings or camera support are implemented yet.
Typical JPEG files are lossy. The original standard also defines a separate lossless mode; it is not the usual web or camera JPEG. JPEG uses lossy image encoding in this delivery workflow. Re-encoding can change edges, textures and colours; it cannot recover detail already missing from Pentax PEF. Quality, chroma handling and file size depend on the future encoder.
Source and target sample models can differ in precision, channel layout, colour space and transfer function. Lossless compression only preserves the samples actually encoded; a precision reduction or colour conversion can already change them. The future engine defines numeric mapping, orientation and colour conversion; canonical depth facts are listed below where available.
Pentax PEF: Capture metadata → JPEG: Exif, ICC. Which fields are copied, rewritten or omitted will depend on the future engine; retention is not implemented yet.