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K&F Concept Auto Focus Lens Mount Adapter Ring EF/EF-S to E Electronic Lens Adapter Compatible for Canon EF EF-S Mount Lens to Sony E Mount Cameras - KENTFAITH
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Curious about how EF, EF-S, EF-M, RF, and their adapters work? Come be confused by my giant picture (or ask in the comments) : r/canon
![Confused about EF Lens FOV vs EFS when both are on APSC.: Canon EOS 7D / 10D - 90D Talk Forum: Digital Photography Review Confused about EF Lens FOV vs EFS when both are on APSC.: Canon EOS 7D / 10D - 90D Talk Forum: Digital Photography Review](https://thelightmatters.com/wp-content/uploads/2012/01/ef-efs-illuminance.png)
Confused about EF Lens FOV vs EFS when both are on APSC.: Canon EOS 7D / 10D - 90D Talk Forum: Digital Photography Review
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