More optical formulas for large aperture RF mount prime lenses have appeared. This new 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 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
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 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
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Someone mentioned sequential lens IDs in certifications are often variants of the same lens, right? Canon could be gearing up to announce the 135mm f/1.4 and its DS counterpart as "two" lenses.
I do feel like we need a fast 35mm before we get another portrait lens, but this will be one heck of a statement lens with DS at that aperture and focal length.
Would be interested to see if DS really even makes all that much of a difference at 24mm. I can't imagine the bokeh is *that* much better.
So little money...:cry:
135/1,4 = at least 96 mm front element.
Too big and too heavy - not to talk about the expected price of about 2,5 to 3k $/£/€ or even more.
135 f/2L This is a lens which many have attempted to better but sharpness isn't everything (looking at you Siggy) and it may well be the last EF lens I will own if I replace all the rest with RF versions. (Oh and it makes a great 2 lens combo with the RF 35)
It's super light and an amazing lens for the money (and the soft focus feature is fun to play with)