Here’s a round-up of Auto Focus Canon EF Smart Adapters and Manual Focus Canon EF lens adapters for Sony E-mount mirrorless cameras including Sony a9, a7, a7R a7S, a7II, a7RII, a7SII, a6500, a6300, a6000, a5100, a5000 and NEX mirrorless cameras.
Auto Focus Canon EF Lens Smart Adapters
Other Sony mirrorless bodes offer slowish AF-S at best with Canon EF and EF-S lenses making them too slow for sports action – but they work fine for portraits and landscape still photography.
Video AF is only possible using the advanced mode on Metabones Smart Adapters and Sigma MC-11.
Metabones Canon EF to Sony E-Mount T Smart Adapter V ($399)
Metabones launched the original “Smart Adapter” so named because they retains electronic communication between the camera and lens to provide automatic aperture control, EXIF data, image stabilization and autofocus. This is my adapter of choice as it’s the only Smart Adapter that gets regular user-installable firmware updates that improve AF performance with many Canon EF lenses not supported by cheaper knock-offs.
Sigma MC-11 EF Mount Converter for Sony E-mount ($249)
Enables all native AF functions including Eye AF, Lock-on AF and Video AF with 15 supported Sigma EF-mount Art, Contemporary and Sport lenses on Sony E-mount mirrorless cameras. This adapter also supports auto-exposure, in-camera lens correction, in-camera image stabilization and retains full EXIF data. Interior is flocked to reduce reflections. An integrated LED can be used to display select Sigma lens compatibility with the adapted camera body.
FotodioX Canon EF Lens to Sony E-Mount Camera Pro Fusion Smart AF Adapter ($100)
While Metabones Smart Adapter V gets my vote for it’s frequent firmware updates, the performance of this Fotodiox adapter at 1/4 the price certainly is worth notice. This adapter with full electronic communication and similar AF speed to the previous-generation Metabones Smart Adapter III.
Viltrox Auto-focus Canon EF/EF-S Lens to Sony E Mount Adapter II ($100)
Another Metabones Smart Adapter III clone that lacks AF support improvements that have come in recent Metabones firmware updates. Until I tried Fotodix, this adapter was my budget-priced suggestion – but my Viltrox adapter has not held up well over time and I must constantly re-tighten its lens mount screws.
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Manual Focus Canon EF Lens Adapters
FotodioX Vizelex ND Throttle Adapter for Canon EF to Sony E Mount ($100)
This Canon EF and EF-S adapter features a built-in 10-stop variable neutral density filter to control the amount of light entering the camera. An ND filter enables shooting in bright daylight while still using wide apertures for shallow depth of field. It also helps with fast exposure adjustments when going from bright to low light. A bright blue metal ring manually adjusts the filter from ND2-ND1000 (2-stop to 10-stop) which is a very cool feature for filmmakers and still photographers who want to shoot wide open in bright light.
FotodioX Adapter for Canon EF to Sony E-Mount (with Iris Control) ($70)
This Fotodiox adapter allows Canon EF lenses to attach to Sony E-Mount cameras. This adapter also has a built in iris control which allows for some degree of control over the light coming in from the lens. Canon EOS lenses use an electronic aperture which will not function with an adapter, the built-in clickless iris control enables the lens to still be used with some functionality.
APS-C Speed Booster Canon EF Lens Adapters
Speed Boosters are 0.71x focal converters that reduce a full-frame image to APS-C. They’re compatible with Sony APS-C mirrorless cameras like a6300, a6000, a5100, a5000 and NEX. They can also be used in APS-C or Super 35 Crop Mode with a7 Series cameras – but they will NOT cover fullframe.
Metabones T Speed Booster Ultra 0.71x Adapter for Canon Full-Frame EF Lens to Sony E-Mount APS-C Cameras ($649) condenses the light from a lens designed for 35mm film or “full frame” camera sensors and projects it onto a Sony E-mount APS-C sensor. This allows a Sony E-mount APS-C sensor to utilize more of the light gathered by a connected lens, which effectively reduces the crop factor while making available to the sensor an additional 1 stop of light for each of the lens’s f/stop settings.
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