Ricoh / Pentax K-x

Ricoh / Pentax K-x firmware

Ricoh / Pentax · K-x · Body

Latest firmware for the Ricoh / Pentax K-x is v1.03.

K-x specifications

Body type
Compact SLR
Resolution
12.4 MP
Sensor
CMOS
Sensor size
23.6 × 15.8 mm
Processor
Prime
ISO range
200–6400
Fastest shutter
1/6000
Burst rate
4.7 fps
Battery life
1900 shots (CIPA)
Storage
SD/SDHC card
Video
MotionJPEG
Mount
Pentax KAF2
Weight
580 g
Dimensions
123 × 92 × 68 mm
Weather sealed
No

K-x firmware changelog

  1. v1.03 first tracked

Firmware history

  1. Version 1.03 Latest First seen Jul 4, 2026
    Show release notes

    Improved reliability of r​ecording operation when using SDXC memory card.

    • If you have already updated to Version1.02, we are very sorry for this inconvenience. Please update to Version 1.03.​ *Contents of [Version 1.02] and earlier version will be also updated.
    Release notes & download

Watch the K-x for updates

Get an email the moment Ricoh / Pentax publishes new firmware. Just your email — no account or password needed.

More Ricoh / Pentax bodies we track