Metz released new firmware updates that will make their Mecablitz 44 AF-1, 48 AF-1, 50 AF-1, 58 AF-1 und 58 AF-2 flashes compatible with the Pentax K-1 DSLR camera. Here is the translated press release:
The Metz-Service provides free firmware updates for flash units Pentax versions ready
Zirndorf, 09/08/2016 For the flash units Mecablitz 44 AF-1, 48 AF-1, 50 AF-1, 58 AF-1 and 58 AF-2 Pentax versions are now available, the new firmware updates available.
Using the Digital Camera Pentax K- 1
With the new firmware versions for older flash units mecablitz 44 AF-1, 48 AF-1, 50 AF-1, 58 AF-1 and 58 AF-2 of the operation with the Pentax K-1 is now guaranteed. The current Flashes models Metz mecablitz 26 AF-1, 26 AF-2, 44 AF-2, 52 AF-1 and 64 AF-1 digital is already fully compatible in combination with the Pentax flagship. The firmware can be transmitted over the USB interface integrated on the corresponding flash unit.