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Canon EF 40mm f/2.8 STM - Full Format Review
The Canon EF 40mm f/2.8 STM may not be perfect but that's whining on a very high level. So if you can make sense of the lens' focal length and max. aperture we can certainly recommend it highly!
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Canon EF 40mm f/2.8 STM Lens Review
Pancake lenses seem to becoming somewhat fashionable at the moment, due to their small size. Whether having a slim lens is that beneficial on a full size SLR body is open to debate, but at least the optical performance of this lens alone, makes it well worthy of consideration.
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Hands on: Canon EF 40mm f/2.8 STM review
Canon debuts its STM focusing motor
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