What are the best lens adapters with autofocus support?

Product ⇅ Price ⇅ Brand ⇅ Mount Type ⇅ Lens Mount Type ⇅ Maximum Aperture (f-stop) ⇅ Minimum Focus Distance (mm) ⇅ Optical Elements ⇅
Metabones Smart Adapter Canon EF to Sony E Mark V
US 		£297.70 ≈ — E EF/EF-S — — —

Metabones Smart Adapter Mark V electronically connects Canon EF/EF-S lenses to Sony E-mount bodies, preserving autofocus, aperture control, IS and EXIF transmission. It adds a rubber gasket, IBIS switch, programmable focus-hold button, LED status indicator and removable Arca-style tripod foot, suiting advanced photographers and videographers who need reliable adapted-lens functionality.

★ Ideal for

Ideal for adapters with autofocus support because it provides phase- and contrast-detect AF, programmable function button, IBIS control, and EXIF transmission (MB_EF-E-BT5).

Sources:
AbelCine B&H Photo Reef Photo & Video
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Viltrox EF-EOS M Electronic Lens Adapter
US 		£30.58 ≈ — Canon EF to Canon EF-M EF to EOS M — — —

Electronic adapter to mount Canon EF/EF-S lenses on Canon EOS M mirrorless cameras while retaining autofocus, aperture control, stabilization, and EXIF transmission. Compact, metal construction with electronic contacts and a tripod socket; aimed at EOS M users who want to use EF lenses affordably. Sold new through Viltrox and specialist retailers.

★ Ideal for

Suited for best autofocus-capable adapters because it provides electronic contacts for autofocus, aperture control, lens stabilization support, and EXIF transmission on EOS M bodies.

Sources:
Viltrox Store Monkey Wrench Productions
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Canon EF-EOS R Mount Adapter (EF-EOS R)
US 		£111.17 ≈ Canon Canon RF Canon EF/EF-S — — 0

The Canon EF-EOS R Mount Adapter lets EF and EF-S lenses be used on RF-mount EOS R cameras while retaining electronic communication for autofocus and image stabilization. It is weather sealed, metal-built, contains no optical elements, and preserves original lens optical performance, making it a simple, reliable adapter for Canon users.

★ Ideal for

Ideal for autofocus-capable adapters because it provides full electronic communication with EF lenses to retain autofocus and image stabilization.

Sources:
B&H Photo The-Digital-Picture (affiliate link to retailers) Shutter Muse (where to buy list includes B&H and Amazon)
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