Canon News a découvert un brevet sur une nouvelle formule pour des optiques zoom RF probablement en version L. L’intérêt de vous montrer ce brevet est de souligner la niveau de performance de ces nouvelles optiques.
Bien que cela soit à l’étape de projet, l’optique 35-135mm f/2,8 semble la plus à même à aboutir.
| Canon RF 35-135mm f/2.8 | |||
| Focal Length | 35.39mm | 69.00mm | 132.93mm |
| F Number | 2.85 | 2.85 | 2.85 |
| Half Angle of View | 31.44° | 17.41° | 9.24° |
| Image Height | 21.64mm | 21.64mm | 21.64mm |
| Total Lens Length | 173.35mm | 186.83mm | 203.35mm |
| Backfocus | 17.95mm | 27.32mm | 34.01mm |
| Canon RF 40-150mm f/2.8 | |||
| Focal Length | 40.06mm | 69.00mm | 147.97mm |
| F Number | 2.85 | 2.85 | 2.85 |
| Half Angle of View | 28.37° | 17.41° | 8.32° |
| Image Height | 21.64mm | 21.64mm | 21.64mm |
| Total Lens Length | 173.35mm | 191.43mm | 218.30mm |
| Backfocus | 17.98mm | 26.04mm | 38.94mm |
| Canon RF 30-110mm f/2.8 | |||
| Focal Length | 30.99mm | 69.00mm | 109.92mm |
| F Number | 2.85 | 2.85 | 2.85 |
| Half Angle of View | 34.92° | 17.41° | 11.13° |
| Image Height | 21.64mm | 21.64mm | 21.64mm |
| Total Lens Length | 173.09mm | 189.92mm | 203.35mm |
| Backfocus | 17.95mm | 28.25mm | 33.97mm |
