Panasonic Lumix GH5 Firmware Update Version 2.2, Yet Another Great Reason to Choose Olympus M.Zuiko Pro Lenses?

Panasonic has released version 2.2 of its firmware for the Panasonic Lumix DC-GH5 hybrid Micro Four Thirds/Super 16 stills and video camera, and it contains one item that appears especially useful for users of the Olympus M.Zuiko Pro professional-quality prime and zoom lenses. 

The GH5 may well now recognize the Lens Fn button on M.Zuiko Pro lenses as well as Panasonic’s own Panasonic Leica DG Elmarit 200mm f/2.8 Power OIS telephoto thus enabling your choice from a set of nine lens-related functions that can be allocated to it.  

Panasonic Lumix DC-GH5 Super 16 Micro Four Thirds camera with Panasonic Lumix G X Vario 12-35mm f/2.8 II Aspheric Power OIS standard zoom lens.

As I do not currently have a GH5 I cannot put version 2.2 of the firmware to the test, but am expecting a review loaner to arrive in the very near future and will try it out with M.Zuiko Pro lenses then report back here.

The Panasonic Leica DG Elmarit 200mm f/2.8 Power OIS lens, showing the Fn button on the lens barrel.

Update contents for DC-GH5

  1. Function can be assigned to the Fn button of the interchangeable lens including H-ES200.
  2. Video recording stability in VFR (Variable Frame Rate) mode is improved

Those optional Fn button settings include:

  • Focus Stop
  • AF/AE Lock
  • AF-On
  • Stabilizer
  • Focus Area Set
  • AF-Mode/MF – I have this set as my L-Fn function for magnifying the view through the lens while manually focussing.
  • Preview
  • Off
  • Restore to Default

I have often looked at the L-Fn buttons on M.Zuiko Pro lenses and wondered whether Panasonic would ever add the ability to choose useful lens-related settings to it when using these lenses on Panasonic Lumix cameras.

I hope that the addition of this functionality to the GH5 heralds more such firmware updates for current and recently-released Lumix cameras such as the GX8, GH4 and others.

One can never have access to too many customizable function buttons, I have found.

The Olympus M.Zuiko Pro professional-quality prime and zoom lens family as of November 2017. Note the L-Fn function buttons on the lens barrels.

The addition of lens function button settings on the GH5 and hopefully other Lumix cameras such as the coming G9 makes the Olympus M.Zuiko Pro lens family even more attractive.

Three current top-end Panasonic Lumix cameras with Olympus M.Zuiko Pro lenses attached, each lens having a function button on the barrel. Panasonic, thank you for enabling the L-Fn button in version 2.2 of the GH5’s firmware but please add the same functionality in all future, current and recent Lumix cameras. Image created at Compact Camera Meter at CameraSize.com..

The most attractive feature of the M.Zuiko Pro lenses, besides their remarkable optical and mechanical qualities, is their manual clutch focus mechanism that allows for repeatable focussing in a way that is not permitted by the nonlinear focus-by-wire of other lenses.

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