The Original 400mm Canon super tele, now long since retired. Get in touch if you have experience of this lens please.
| Depth-of-Field Data for EF400mm f/2.8L USM |
| [unit:m] |
| D | F2.8 | 4 | 5.6 | 8 | 11 | 16 | 22 | 32 | | ND | FD | ND | FD | ND | FD | ND | FD | ND | FD | ND | FD | ND | FD | ND | FD | | Inf. | 1584.46 | Inf. | 1140.94 | Inf. | 806.87 | Inf. | 570.69 | Inf. | 403.80 | Inf. | 285.57 | Inf. | 202.03 | Inf. | 143.01 | Inf. | | 30 | 29.46 | 30.56 | 29.26 | 30.78 | 28.96 | 31.12 | 28.55 | 31.61 | 27.99 | 32.32 | 27.24 | 33.40 | 26.24 | 35.05 | 24.95 | 37.68 | | 15 | 14.87 | 15.13 | 14.82 | 15.19 | 14.74 | 15.26 | 14.64 | 15.38 | 14.50 | 15.54 | 14.30 | 15.77 | 14.03 | 16.12 | 13.66 | 16.64 | | 10 | 9.94 | 10.06 | 9.92 | 10.08 | 9.89 | 10.11 | 9.85 | 10.16 | 9.78 | 10.23 | 9.70 | 10.33 | 9.57 | 10.47 | 9.41 | 10.67 | | 7 | 6.97 | 7.03 | 6.96 | 7.04 | 6.95 | 7.05 | 6.93 | 7.07 | 6.90 | 7.11 | 6.86 | 7.15 | 6.80 | 7.22 | 6.72 | 7.31 | | 5 | 4.99 | 5.01 | 4.98 | 5.02 | 4.98 | 5.03 | 4.97 | 5.04 | 4.95 | 5.05 | 4.93 | 5.07 | 4.90 | 5.10 | 4.86 | 5.15 | | 4 | 3.99 | 4.01 | 3.99 | 4.01 | 3.99 | 4.02 | 3.98 | 4.02 | 3.97 | 4.03 | 3.96 | 4.04 | 3.94 | 4.06 | 3.92 | 4.09 | |
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