User:Plattro
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Rob Platt
SW developer and amateur photographer
Occassional contributor to open source SW projects:
- Enblend (multithreading, 64-bit memory addressing for >4G RAM, optimizations for CPUs with vector processing)
- Panotools (multithreading, alpha mask handling at image borders, lens chromatic aberation processing improvement)
Specialist in realtime multithreading and parallel processing
Formatting experiment
| Lens | Focal Length | Entrance Pupil to Film Plane | Entrance Pupil to Lens mount (L2) | ||
|---|---|---|---|---|---|
 Type of camera you are using. | |||||
| Enter the exact lens name | f | FP | Unknown mount | Nikon F mount (FP-46.5mm) |
Canon EF Mount (FP-44.0mm) |
| Sigma 70-300 | 70mm | xx | 83mm | xx | xx |
| Sigma 70-300 | 85mm | xx | 70mm | xx | xx |
| Sigma 70-300 | 100mm | xx | 45mm | xx | xx |
| Sigma 70-300 | 135mm | xx | -30mm | xx | xx |
| Sigma 70-300 | 200mm | xx | -30mm | xx | xx |
| <Manufacturer / Lens> | <Focal Length> | <Film Plane> | <mount dimension> | ||