New Canon patents application (USPTO) shows optical formulas for three fast prime lenses.
All products are designed to use on Canon’s full frame mirrorless camera system. Both the Canon EOS R5 and the EOS R6 are super hot selling mirrorless cameras on the market. Canon EOS R5 in stock.
Check out the details of the Canon RF 130mm f/1.4L, RF 135mm f/2L & RF 24mm f/1.4L USM Lens patents.
Canon RF 130mm f/1.4L USM
- Focal length: 131.00mm
- F-number: 1.41
- Angle of view: 9.38°
- Image height: 21.64mm
- Lens length: 182.28mm
- Backfocus: 13.87mm
The following optical design has a really strange backfocus distance of 54,12mm according to the patent literature.
Canon RF 135mm f/2L USM
- Focal length: 133.50mm
- F-number: 2.06
- Angle of view: 9.21°
- Image height: 21.64mm
- Lens length: 155.12mm
- Backfocus: 54.12mm
The following optical design also has an unusual backfocus distance.
Canon RF 24mm f/1.4L USM
- Focal length: 24.55mm
- F-nurnber: 1.45
- Angle of view: 41.39°
- Image height: 21.64mm
- Lens length: 119.13mm
- Backfocus: 38.01mm
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