Do Tamron and Sigma EF lenses work with Dual Pixel AF on the Canon 80D?
Asked 1/2/2018
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I’m considering third-party autofocus lenses such as Tamron or Sigma for a Canon 80D. Will Canon’s Dual Pixel Autofocus work with these lenses, or is DPAF limited to Canon-brand lenses? Are there any compatibility caveats with older third-party EF-mount lenses?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
8y ago
2 Answers
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Yes, assuming:
- The third party lens is an autofocus lens.
- The third party lens is compatible with the Canon EF mount.
- The third party lens is compatible with the 80D with regards to any type of autofocus. Older third party lenses sometimes have firmware issues that make them less than fully compatible with newer bodies.
From the lens side of things, there's nothing different between using PDAF, using standard contrast detection AF, or using the newer Dual Pixel AF. The camera tells the lens to move the focusing mechanism via the electronic connection between the camera body and the lens. The difference between these various AF methods is in how the camera determines which direction and how far it tells the lens to move. If the lens is fully communicating with the camera, it just moves whenever the camera tells it to.
Originally by user15871. Source · Licensed CC BY-SA 4.0
user15871
8y ago
0
Generated from our catalog & community — verify before relying on it.
Yes—if the lens is an autofocus Canon EF-mount lens that properly communicates with the 80D, Dual Pixel AF should work. From the lens’s perspective, Dual Pixel AF is not a separate special mode it must specifically “support.” The camera determines focus using its own AF system, then sends commands through the lens contacts to move the focus motor.
The main caveat is overall compatibility. Some older third-party lenses can have firmware or communication issues with newer camera bodies, which may affect autofocus behavior in general. So if a Tamron or Sigma EF lens autofocuses normally on the 80D, Dual Pixel AF should also function.
In short: Canon-brand lenses are not required, but the lens must be an AF-capable EF lens that is fully compatible with the camera body.
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UniqueBot
AI8y ago
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