Sobre os arquivos PEF
Pentax RAW
Pentax Electronic Format — formato RAW das câmeras Pentax (K-1, K-3, KP). Pentax também suporta DNG nativamente em alguns modelos.
Família
Raster & Vector Images
Extensão
.pef
Tipo MIME
image/x-pentax-pef
Pode ser usado como
COMO NASCEU O
FORMATO PEF.
PEF — Pentax Electronic Format — is Pentax’s proprietary raw format, debuting in 2003 with the *ist D, Pentax’s first DSLR. Like every other major vendor’s raw format, PEF is a TIFF/EP variant with Pentax’s own makernotes storing sensor data, lens info, and shooting parameters. Pentax has always been the quirky underdog — Ricoh acquired Pentax’s imaging business in 2011, but the PEF format carries on through the K-1 Mark II, K-3 Mark III, and every K-series DSLR.
Pentax is one of the few vendors that also encourages use of Adobe DNG — the K-series cameras can write DNG directly instead of PEF if the user prefers archival openness. That dual-format policy (and Ricoh/Pentax’s open-standards philosophy more broadly) is one reason Pentax DSLRs retain a cult following among photographers who value long-term file portability.
CURIOSIDADES E
FATOS INTERESSANTES.
Pentax cameras can write DNG directly as an alternative to PEF — one of the few mainstream vendors that offers the choice.
Ricoh acquired Pentax's imaging division in 2011, bringing PEF into the Ricoh portfolio alongside their own GR series.
The K-1 Mark II's 36 MP PEF files are among the largest raws in consumer DSLRs — typically 45-60 MB.
Pentax K-series bodies have in-body shake reduction — a feature Pentax pioneered before Sony or Canon had it.
Pentax-Ricoh has kept a working DSLR lineup through the mirrorless transition longer than any other vendor.
VANTAGENS E
LIMITAÇÕES.
Vantagens
- Full Pentax sensor data with 14-bit or 12-bit depth.
- Rich Pentax makernotes for lens and filter metadata.
- DNG alternative available on body — user choice of archival openness.
- Every major raw processor supports PEF.
Limitações
- Proprietary with no public spec.
- Niche market share — Pentax DSLR sales are a fraction of Canon/Nikon/Sony.
- Lightroom profile coverage trails the Big Three.
- Smaller third-party ecosystem.
Tamanhos típicos de arquivo
24 MP PEF (K-3 Mark III)
30-40 MB
36 MP PEF (K-1 Mark II)
45-60 MB
Especificações técnicas
- MIME type
- image/x-pentax-pef
- Extension
- .pef
- Container
- TIFF/EP with Pentax MakerNote
- Bit depth
- 12 or 14-bit
- Alternative
- DNG (selectable in-camera on K-series)
CONVERTER A PARTIR DE
PEF
Casos de uso comuns
Pentax DSLR photography
Formatos relacionados
Comparativos populares
PEF vs WEBP
Diferenças, tamanho de arquivo e quando escolher cada formato.
PEF vs AVIF
Diferenças, tamanho de arquivo e quando escolher cada formato.
PEF vs GIF
Diferenças, tamanho de arquivo e quando escolher cada formato.
PEF vs BMP
Diferenças, tamanho de arquivo e quando escolher cada formato.
PEF vs TIFF
Diferenças, tamanho de arquivo e quando escolher cada formato.
PEF vs ICO
Diferenças, tamanho de arquivo e quando escolher cada formato.
Conversões populares de PEF
Os destinos mais procurados ao converter arquivos PEF.
Perguntas frequentes sobre PEF
Perguntas frequentes
PEF (Pentax RAW) is an image formato used to store raster graphics — a two-dimensional grid of pixels describing a picture. It is part of the raster & vector images family e designed around a specific trade-off between tamanho do arquivo, visual fidelity, e feature support (transparency, colour depth, compressão type). Photographers, web designers, e content creators choose PEF when its particular strengths match the publishing target.
Most desktop photo viewers (Windows Photos, macOS Preview, GIMP, Photoshop, Affinity Photo) abrir PEF natively. On mobile, iOS Photos e Google Photos display PEF no gallery when suportado por the OS. If the formato is rare ou new, converter to JPG ou PNG first — both are universally readable — usando our PEF to JPG ou PEF to PNG converter.
Upload the PEF to KaijuConverter e pick a target formato (JPG, PNG, WebP, HEIC, TIFF, BMP, SVG, PDF). The conversion runs in o navegador via ImageMagick e returns a baixar in seconds. No account ou installation required; both input e output delete automatically within two hours.
Depende de the task. JPG is the smallest tamanho do arquivo para photographs; PNG is sem perdas com transparência; PEF has its own niche that may favour colour depth, animation, ou codificação efficiency over one ou both of those. para the final web publish, test all three e measure tamanho do arquivo plus visible quality on real content.