American White Pelican (Pelecanus erythrorhynchos) and Double-crested Cormorant (Nannopterum auritum) at Lake Thunderbird in Norman, Oklahoma, United States on March 29, 2025
American White Pelican (Pelecanus erythrorhynchos) and Double-crested Cormorant (Nannopterum auritum) at Lake Thunderbird in Norman, Oklahoma, United States on March 29, 2025
| Camera Model Name | Canon EOS R5 |
| Lens Model | EF100-400mm f/4.5-5.6L IS II USM +2x III |
| Focal Length | 800.0 mm |
| Exposure Time | 1/500 |
| ISO | 500 |
| F Number | 14.0 |
| Camera Temperature | 29 C |
| Measured EV | 14.12 |
| Measured EV 2 | 31 |
| Focus Distance Upper | 555.82 m |
| Focus Distance Lower | 81.91 m |
| Hyperfocal Distance | 1519.17 m |
| Field Of View | 2.6 deg |
| Depth Of Field | 139.64 m (263.66 - 403.30 m) |
| Artist | John Moyer |
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Copyright John Moyer, All Rights Reserved. https://www.rsok.com/~jrm/