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D2X vs EOS: Depth of Field—1Ds Mark II |
| f4 | f5.6 | f8 | f11 | f16 | f22 |
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Center sharpness of the 24-105/f4L is outstanding, with essentially no improvement as the lens is stopped down. Sharpness does decline beginning at f16 and increasing at f22 due to diffraction. |
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| f4 | f5.6 | f8 | f11 | f16 | f22 |
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Stopping down to f11 achieves the best results, with f16 being about the same. |
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| f4 | f5.6 | f8 | f11 | f16 | f22 |
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Stopping all the way down to f22 is required to make Point B2 sharpen up reasonably well. |
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| f4 |  |
| f5.6 |  |
| f8 |  |
| f11 |  |
| f16 |  |
| f22 |  |
| Peak sharpness is reached at f22. | |
| f4 | f5.6 | f8 | f11 | f16 | f22 |
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| f4 | f5.6 | f8 | f11 | f16 | f22 |
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This far forward from the plane of focus the image quality improves right down to f16, and remains about the same at f22. |
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