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The Pentax RAW codec for Windows Vista and Windows 7 (32 bit) runs behind the scenes, allowing Windows' own image viewers such as Photo Gallery to recognize and display Pentax RAW files (.PEF) from Pentax digital SLR cameras. Please note, this CODEC software will not operate under the 64 bit environments of Windows Vista and Windows 7.


  1. Click the download link below, and save the download file to your computer's hard drive. For example, saving the download file to your desktop will allow you find it easily once the download is complete.
  2. Close other applications, then double click the download file to begin the installation.
  3. Follow the on-screen prompts to complete the installation.
  4. Restart your computer (this may happen automatically).



Date: November, 2009
Copyright: Hoya Corporation
Reproduction: All rights reserved
All product and company names shown here are trademarks or registered trademarks of their respective companies

  • WINDOWS VISTA/7 32 BIT RAW CODEC (8.59 MB) Download


Pentax is pleased to announce an update to the Photo Browser 2 software, which allows it to display lens data for the following recent Pentax lenses:

  • SMC Pentax DA 70mm f/2.4 Limited
  • SMC Pentax DA 21mm f/3.2 AL Limited
  • SMC Pentax DA 50-200mm f/4-5.6 ED
  • SMC Pentax DA 12-24mm f/4 ED/AL/IF
  • SMC Pentax DA Fisheye 10-17mm f/3.5-4.5 ED/IF

Please note, you must have the Pentax Photo Browser version 2.0 or later installed on your computer in order to successfully download and install this lens update.


INSTRUCTIONS: Download the update file appropriate to your operating system, and save it on your computer's hard drive (e.g. save it on your desktop). Then, close other software applications, and double click the file to begin the update. Follow the on-screen step-by-step instructions to complete the update. For Macintosh versions, you may need to unstuff the download file with your Stuffit Expander utility before running the update.

  • UPDATE for Windows XP/ME/2000 Download
  • UPDATE for MacOS-X 10.1.3 or later Download
  • UPDATE for MacOS 9.0 or later Download