New Metabones EF to Sony E-Mount Smart Adapter IV Firmware Upgrade Fixes Flicker Issues with PXW-FS7

The Sony PXW-FS7 has been quite the hit for Sony, who managed to pack some serious professional features like 4K XAVC recording up to 60p, in conjunction with broadcast favourite codecs like ProRes (with the XDCA-FS7 extension unit) and MPEG-2 HD 422 at 50Mb/s in addition to 4K/2K Raw recording via compatible recorders and slow-motion up to 180fps in camera at a very aggressive sub £8K price point.

The native Sony E-mount present on the FS7 allows users to adapt almost any other lens out there including the highly desirable and popular Canon EF optics. However the electronic aperture control via the Metabones adapters wasn't always as smooth as it should be - with users reporting flickering during aperture changes.

The latest firmware update for the Smart Adapter EF to E Mark IV from Metabones address those issues, and is a welcomed improvement for all those FS7 shooters out there using Canon EF lenses with their 4K Sony XDCAM camera.

See more details on the improvements in the latest firmware V0.41 for the Smart Adapter Mark IV below.


From Metabones:

This information is for the following models:

EF-E Smart AdapterTM MARK IV (model number MB_EF-E-BM4)


Name: Firmware update V0.41 for EF-E Smart AdapterTM MARK IV

Release date: 1 June 2015

Benefits and improvements:

User may choose between lens OIS and IBIS using the lens’ IS switch (except for some Tamron lenses). If the lens’ IS switch is ON, lens OIS is used and IBIS is turned off automatically. If lens’ IS switch is OFF, IBIS is used instead. To turn off all IS, hold down the WO button on the adapter while switching the lens’ IS to the OFF position.

IS is always turned on during magnified focus assist for ease of manual focusing

Added autofocus support for some legacy lenses on A7 series

Eliminated iris flicker when opening up the iris from a slower aperture to a faster aperture in Green mode on FS series, NEX-VG series and A7 series in movie mode.

Eliminated iris tick noise while zooming a variable aperture zoom lens in Green mode

For more information and to download the latest firmware head over to Metabones.