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Metabones Adds “Native” AF and Smooth Iris to EF Mount Speed Boosters and Smart Adapters by Firmware

Metabones just released a major firmware update (Metabones App 2.3) for Canon EF to E-mount Smart adapters and Speed Boosters to add “Native” AF and Smooth Iris features.

Metabones has already added fast EF lens autofocus to its Micro Four Thirds Mount Speed Boosters and Smart Adapters last year. With this speedy advantage now extended to E-Mount, EF-Mount lenses are now capable of focusing quickly across the widest variety of mirrorless cameras with trusted Metabones precision and reliability.

The smooth iris feature slows down the movement of the electromagnetic aperture diaphragm so that video footage transitions smoothly when the aperture changes, with reduced tick noise from the lens. The latest Canon and Tamron SP lenses have special support for this feature and Metabones® makes use of it if the lens supports it.

Downloads links:

Firmware update for EF-E Smart Adapter MARK IV and EF-E Speed Booster ULTRA (Windows)
Firmware update for EF-E Smart Adapter MARK IV and EF-E Speed Booster ULTRA (Mac)
Firmware update for EF-M43 (Windows)
Firmware update for EF-M43 (Mac)

The following lenses have been tested for “native” AF. Refer to Metabones’ web site for the most up-to-date list. Lenses equipped with smooth iris support are marked with asterisks. APS-C lenses are not compatible with Speed Booster.

Canon EF 8-15mm f/4L USM Fisheye*
Canon EF-S 17-55mm f/2.8 IS USM
Canon EF-S 18-55mm f/3.5-5.6 IS II*
Canon EF 24-105mm f/4L IS USM
Canon EF 28-80mm f/3.5-5.6 II
Canon EF 40mm f/2.8 STM*
Canon EF 50mm f/1.2L USM
Canon EF 50mm f/1.4 USM
Canon EF 70-200mm f/2.8L IS II USM*
Canon EF 70-200mm f/4L USM (non-IS)
Canon EF 70-300mm f/4-5.6L IS USM*
Canon EF 85mm f/1.2L II USM
Canon EF 100mm f/2.8L IS USM Macro*
Canon EF 100-400mm f/4.5-5.6L IS USM (I)
Canon EF 100-400mm f/4.5-5.6L IS II USM*
Canon EF 200mm f/2.8L II USM
Canon EF 300mm f/4L IS USM
Sigma 18-35mm f/1.8 DC HSM Art 013
Sigma 24-105mm f/4 DG OS HSM Art 013
Sigma 50mm f/1.4 EX DG HSM
Tamron SP 24-70mm f/2.8 Di VC USD A007
Tamron SP 45mm f/1.8 Di VC USD F013*
Tamron SP 70-200mm f/2.8 Di VC USD A009*
Incompatible lenses: (“Green” mode PDAF is still supported on A6300, A7 Mark II and A7R Mark II.)
Canon EF 50mm f/1.8 II
Canon EF 100mm f/2.8 USM Macro
Canon EF 135mm f/2L USM
Contax N lenses modified to EF mount by Conurus Canada
Sigma 18-125mm DC OS HSM
Tamron SP 17-50mm f/2.8 Di II VC B005
Tamron 28-300mm f/3.5-6.3 (IF) Macro A20

Via: Metabones

Related posts:

  1. Metabones Released Firmware Update V0.46 for EF-E Smart Adapter and EF-E Speed Booster
  2. Metabones Adds Phase-Detect Autofocus (PDAF) Support for Olympus E-M1 and Sony a7RII
  3. Sony a7RII Deals: Free $399 Metabones EF Smart Adapter/Gift Card/Accessories
  4. Nikon Mount Adapter FT1 L firmware 1.20 Released
  5. Sigma MC-11 Mount Converter Firmware Version 1.01 Released

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