Head-to-head adapter comparisons

Canon EF → Sony E

Sigma MC-11 vs Metabones EF-E Mark V

Both adapt Canon EF lenses onto Sony E-mount bodies with phase-detect AF, IS pass-through, and electronic aperture. The choice usually comes down to which EF lens lineage dominates your bag — Sigma's own Art / Sports / Contemporary glass, or Canon-brand L USM zooms and Tamron G2 primes.

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Nikon F → Nikon Z

Nikon FTZ (original) vs Nikon FTZ II

Optically and electronically identical for AF-S / AF-P lens behaviour. The visible difference is a removable Arca-style tripod foot on the original FTZ that the FTZ II drops to slim the profile. For most Z-mount kits the choice is ergonomic, not optical.

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Sony E → Nikon Z

Megadap ETZ21 Pro vs Techart TZE-01

Both put Sony FE lenses onto a Nikon Z body with PDAF, Eye-AF, in-lens IS pass-through, and electronic aperture. Megadap has the broader maintained compat list and faster firmware cadence; Techart costs slightly less.

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Canon EF → Canon RF

Canon EF-EOS R vs Viltrox EF-EOS R5 (autofocus EF-to-RF)

Both put Canon EF / EF-S lenses onto Canon RF bodies with full AF, IS, and electronic aperture. Canon's adapter is weather-sealed and offered in three variants (plain, Control Ring, Drop-In Filter). Viltrox's is one variant at one-third the price and adds USB-C firmware updates.

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Sony A → Sony E

Sony LA-EA3 vs Sony LA-EA5

Both adapt Sony A-mount lenses onto E-mount bodies. The LA-EA3 (2013) is a thin pass-through ring relying on the body for AF. The LA-EA5 (2020) adds an internal screw-drive motor that drives legacy Minolta and Sony screw-drive A-mount lenses on PDAF E-mount bodies.

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Sony A → Sony E

Sony LA-EA4 vs Sony LA-EA5

Both drive screw-drive A-mount lenses on E-mount bodies — but the older LA-EA4 (2014) uses an internal SLT mirror and 15-point AF sensor (works on any E body), while the newer LA-EA5 (2020) relies on the E-mount body's own on-sensor PDAF (a7 III and later).

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Sony A → Sony E

Sony LA-EA3 vs Sony LA-EA4

Both adapt Sony A-mount lenses onto E-mount bodies, and both predate the LA-EA5. The LA-EA4 (2014) packs an SLT mirror, a 15-point AF sensor, and a screw-drive motor, so it autofocuses any A-mount lens on any E body. The LA-EA3 (2013) is a thin pass-through that loses no light and gives full sensor-wide AF on a modern body — but only on SSM / SAM lenses.

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Canon EF → Sony E

Viltrox EF-NEX IV (EF-E) vs Sigma MC-11

Both adapt Canon EF lenses onto Sony E with electronic AF and aperture. Viltrox is the budget pick at roughly one-quarter the Sigma price; Sigma MC-11 is the reference with deeper Sigma EF lens certification and faster firmware cadence.

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Canon EF → Canon RF

Commlite CM-EF-EOS R vs Viltrox EF-EOS R5 (autofocus EF-to-RF)

Both are third-party Canon EF→RF adapters at roughly half the cost of Canon's own EF-EOS R, with full AF / IS / electronic aperture and USB-C firmware updates. The choice comes down to AF refinement on EF L super-telephotos and update cadence.

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Leica M → Sony E

Techart LM-EA9 vs Voigtländer VM-E Close Focus

Both adapt Leica M-mount lenses onto Sony E bodies and both add some form of close-focus extension. The Techart adds autofocus via a motorised tube; the Voigtländer is a manual helicoid for closer minimum focus distance. Different tools for different shooters.

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Canon EF → Sony E

Kipon Baveyes EF-FE 0.7x vs Metabones Speed Booster ULTRA 0.71× EF-E

Both are 0.71× focal reducers that adapt Canon EF lenses onto APS-C Sony E bodies, multiplying aperture by ~1 stop and shrinking focal length by 0.71×. Both use Brian Caldwell-licensed optics from the same patent family. The choice comes down to firmware support and per-lens tuning.

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Canon EF → Canon RF

Canon EF-EOS R vs Commlite CM-EF-EOS R

Both adapt Canon EF / EF-S lenses onto Canon RF bodies with full electronic AF, IS pass-through, and aperture control over 12 body-side contacts. Canon's official adapter ships weather-sealed in three variants (plain, Control Ring, Drop-In Filter); the Commlite ships only the plain variant at roughly half the price.

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Canon EF → Sony E

Metabones EF-E Mark V vs Viltrox EF-NEX IV (EF-E)

Both adapt Canon EF lenses onto Sony E-mount bodies with phase-detect AF, IS pass-through, and electronic aperture. Metabones' Mark V is the long-running reference design with a deeper per-lens compat chart and broader Canon + Tamron G2 coverage; the Viltrox EF-NEX IV trades AF refinement and certified-lens depth for roughly a quarter of the price.

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