Olympus just released a new firmware update for three PRO lenses: cs.olympus-imaging.jp/en/support/imsg/digicamera/download/software/firm/e1/#fmzdl
The Olympus 40-150mm PRO lens gets the following new features and fixes:
- Stability of lens aperture when shooting videos has been improved.
- MF shooting operations have been improved.
- Enhanced stability of AF operation when shooting video
- Improved AF operation when using the M.ZUIKO DIGITAL 1.4x Teleconverter MC-14.
- Enhanced stability of sequential shooting when using the E-M1 Mark II.
The Olympus 8mm PRO lens gets the following new features and fixes:
- Improved stability of C-AF operation for sequential shooting with H.
The Olympus 300mm PRO lens gets the following new features and fixes:
- Improved AF operation.
- MF shooting operations have been improved.
- Enhanced stability of operation when shooting video.
- Enhanced stability of sequential shooting when using the E-M1 Mark II.
- Improved image stabilization accuracy when using the E-M1 Mark II.