One of many extra widespread “huge 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 prevailing 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 right 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 Top: 21.63mm
- Size Total: 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 Top: 21.63mm
- Size Total: 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 Top: 21.65mm
- Size Total: 410.05mm
- Again Focus: 39.998mm
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