Canon Japan has just filed new patent for large aperture RF mount prime lenses. These lenses are RF 135mm f/1.4L USM DS, RF 50mm f/1.4L USM DS, RF 24mm f/1.4L USM DS.
This new Canon patent showcases some RF mount prime lenses that utilize Defocus Smoothing, which first appeared in the RF 85mm f/1.2L USM DS.
Canon RF 135mm f/1.4L USM DS
- Focal length: 131.00mm
- F-Number: 1.41
- Half angle of view: 9.38°
- Image height: 21.64mm
- Overall length: 182.28mm
- Back focus: 13.87mm
Canon RF 50mm f/1.4L USM DS
- Focal length: 52.13mm
- F-Number: 1.45
- Half angle of view: 22.54°
- Image height: 21.64mm
- Overall length: 85.51mm
- BF: 37.71mm
Canon RF 24mm f/1.4L USM DS
- Focal length: 24.55mm
- F-Number: 1.45
- Half angle of view: 41.39°
- Image height: 21.64mm
- Overall length: 119.13mm
- BF: 38.01mm
via: Asobinet