One of many extra widespread “large white lenses” from Canon was the EF 200-400mm f/4L IS 1.4x. It was by no means a attain to imagine Canon would make an RF follow-up to that lens. It additionally should not shock anybody that Canon would do a redesign of the lens as a substitute of a merely modifying the present design for the RF mount.
On this patent discovered by asobinet, Canon reveals a bevy of comparable optical formulation. If we needed to guess, the RF 200-500mm f/4L IS 1.4x can be the proper follow-up to its EF mate.
Canon RF 200-400mm f/4L IS 1.4x
- Focal size: 205.1mm – 385.5mm
- F-number: 4.1
- Half angle of view: 5.99 – 3.21
- Picture Peak: 21.63mm
- Size General: 367.62mm
- Again Focus: 39.994mm
Canon RF 200-500mm f/4L IS 1.4x
- Focal size: 207.0mm – 487.9mm
- F-number: 4.1
- Half angle of view: 5.97-2.54
- Picture Peak: 21.63mm
- Size General: 410.05mm
- Again Focus: 39.998mm
Canon RF 300-700mm f/5.6L IS 1.4x
- Focal size: 288.1mm – 678.9mm
- F-number: 5.7
- Half angle of view: 4.30-1.83
- Picture Peak: 21.65mm
- Size General: 410.05mm
- Again Focus: 39.998mm
