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PENTAX 01 Standard Prime Lens for Q-Series Cameras

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Version 1.01

  • Improved overall stability and general performance.


  • You will need a blank, formatted memory card with a capacity of 32 MB or higher.
  • You will need your camera, and the lens you wish to update mounted to your camera.
  • You will need your camera's USB cable, or a memory card reader.
  • Make sure your battery is fully charged (or that you are using an optional AC adapter) to prevent power interruptions during the update process.


  1. Click the link below to download the zipped firmware file ( Click SAVE to save the download file to your computer's hard drive. Saving it to your desktop, for example, will make it easy to find after the download is complete. Please note: this download file is not the firmware update file itself, but a zip file that must be expanded in the following step.
  2. Next open the zip file, and extract the firmware update file itself (fwlq101.bin).
  3. You must now copy the firmware update file (fwlq101.bin) to your camera's memory card. When you connect the camera directly to your computer (or if you use a card reader), the memory card appears as a removable disk drive in the My Computer window. Make sure you are using a blank/formatted memory card, then drag & drop (or copy & paste) the firmware update file (fwlq101.bin) to your removable disk window, which is the camera's memory card. Please note: You must put the firmware update file (fwlq101.bin) directly onto the removable disk; it cannot be in any sub-folders. It must be on the top (or root) level of the removable disk.
  4. Now that you have copied the firmware update file (fwlq101.bin) to your camera's memory card, you are ready to install it. Make sure your camera is disconnected from the computer. Make sure that the memory card containing the firmware update file is inserted into your camera. Also, make sure you that you have adequate power in your camera, with a full battery charge or by using an optional AC adapter.
  5. Turn your camera on, press the MENU button, and look for the "Firmware Version Info" item in the camera's Setup menu (represented by a wrench icon). Highlight "Firmware Version Info" and press the right arrow. This will show you your current firmware version, as well as allow you to update the firmware to a new version.
  6. Highlight "Lens" and press the right arrow. Then, highlight "Start" and press the OK button to start the update for the lens firmware.
  7. If you have followed the above instructions precisely, the new firmware will install. You will see "NOW LOADING" followed by "COMPLETE" when finished. The camera will then automatically power down. This can take a couple of minutes, so be careful not to interrupt the process.
  8. You can verify your current firmware version by returning to the "Firmware Version Info" item in the camera's Setup menu.
  9. Remember, your memory card still has the firmware update file on it, so be sure to format your memory card to erase the firmware update file before taking pictures again.

Copyright November, 2011 Pentax Ricoh Imaging Company, LTD. All rights reserved.
"PENTAX" and "PENTAX Q" are trademarks of Pentax Ricoh Imaging Company, LTD.
Any other product and company names shown here are trademarks or registered trademarks of their respective companies.