File Type Pentax Electronic File IconPentax Electronic File
File Format Standard (developed by Pentax)
Usage Referenced by an application; not meant to be opened manually; may run a program or script when opened
Rank ★ ★ ☆  Average

Uncompressed RAW photograph taken with a Pentax digital camera; stores image information exactly how it was captured by the camera's sensor, with no compression or color adjustment.

Important: Different Pentax camera models may store images using slightly different variations of the format. Therefore certain software programs may read some, but not all PEF files.

Open With

IconPentax Photo Browser or Photo Laboratory

IconCorel PaintShop Pro

IconACD Systems Canvas


IconPentax Photo Browser or Photo Laboratory

IconAdobe Photoshop

IconAdobe Photoshop Elements for Mac


IconGIMP with UFRaw plugin

Updated 2007