Ricoh / Pentax 645Z

Ricoh / Pentax 645Z firmware

Ricoh / Pentax · 645Z · Body

Latest firmware for the Ricoh / Pentax 645Z is v1.30.

645Z specifications

Body type
Large SLR
Resolution
51.4 MP
Sensor
CMOS
Sensor size
44 × 33 mm
Processor
PRIME III
ISO range
100–204800
Fastest shutter
1/4000
Burst rate
3 fps
Battery life
650 shots (CIPA)
Storage
Dual SD/SDHC/SDXC slots
Video
MPEG4, H.264
Mount
Pentax645 AF2
Weight
1550 g
Dimensions
156 × 117 × 123 mm
Weather sealed
Yes
Price at launch
$8499.95

645Z firmware changelog

  1. v1.30 first tracked

Firmware history

  1. Version 1.30 Latest First seen Jul 4, 2026
    Show release notes

    Outdoor monitor fun​ction The PENTAX 645Z provides outdoor monitor function that you can adjust quickly to the brightness of the monitor that match the environment such as under fine weather, it makes brighter contrast stand out or darker in nightscape shooting.

    Re​d-lighted LCD monitor display functionThe PENTAX 645Z provides a red-lighted LCD monitor display function, which prevents the pupils of the photographer’s eyes from closing down after they have become accustomed to a dark environment during astrophotography.

    Release notes & download

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