OM System E-P1 firmware `v1.4`

OM System · Released Apr 22, 2010 · First seen Jul 5, 2026

v1.4 is the latest firmware for the OM System E-P1, released April 22, 2010.

What's in this update

E-P1 Firmware Ver1.4 has incorporated the following upgrade. [Modification]

Improved auto focus speed.
Improved tracking of C-AF (continuous AF) when recording movies while using M.ZUIKO DIGITAL ED 9-18mm F4.0-5.6 or M.ZUIKO DIGITAL ED 14-150mm F4.0-5.6.
Support for the new M.ZUIKO DIGITAL ED 9-18mm F4.0-5.6 lens. Frame rate of live view may be reduced if this lens is used without updating firmware.

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