Canon EF 17-40mm f/4L USM Lens Image Quality

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Canon EF 17-40mm f/4L USM Lens
Center
Mid-Frame
Corner
Center
Mid-Frame
Corner
Learn more about image quality testing

Is the Canon EF 17-40mm f/4L USM Lens sharp? This page visually answers that question. Shown above are 100% crops from a lab-captured 17mm f/4.0 test image. Observe the contrast and resolution of these results.

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