Canon several new RF Mount lens patent surfaced over the web, let’s begin with Canon 85mm F1.2 lens and move on
1. Canon 85 mm f / 1.2 without the BR optical element
CANON filed a patent of 85 mm f / 1.2 without the BR optical element. This patent showed the optical formula of RF 50mm f / 1.2.
[Publication number] JP 2020-38295 (P2020-38295A) click here
[Publication date] March 12, 2 (2020.3.12)
[ Title of the Invention] Lens device and camera system equipped with its Embodiment
5: 85mm f / 1.2
Focal length: 83.20 mm
F-number: 1.24
Half angle of view: 14.58
Image height: 21.64 mm
Lens length: 121.31 mm
Back focus: 14.08 mm Example 2: RF 50mm F1.2 L USM Focal length: 51.10 mm F-number: 1.25 Half angle of view: 22.95 Image height: 21.64 mm Lens length: 111.01 mm Back focus: 14.60 mm
2. Canon 24-150mm F4 Lens
CANON filed a patent of 24-150mm f / 4 for 35mm RF Mount based full-frame mirrorless cameras
[Publication number] JP 2020-34631 (P2020-34631A) click here
[Publication date] March 5, 1980 (2020.3. 5)
[ Title of the Invention ] Zoom lens and image pickup device having it Embodiment
Focal length: 24.70 58.34 145.80 mm
F-number: 4.12 4.12 4.12
Half angle of view: 38.43 20.35 8.44
Lens length: 116.35 134.13 162.90 mm
Back focus: 18.26 15.54 24.00 mm
3. Canon 13-21mm F2.8
CANON filed a patent of 13-21 mm f / 2.8 zoom lens for 35mm full-frame mirrorless cameras.
[Publication No.] JP 2020-30251 (P2020-30251A) Click Here
[publication date] Ryowa 2 February 27 (2020.2.27)
[ Title of the Invention] Zoom lens and imaging device using it Embodiment
Zoom ratio: 1.58
Focal length: 13.40 17.30 21.20 mm
F number: 2.88 2.88 2.88
Half angle of view: 58.23 51.35 45.58
Image height: 21.64 21.64 21.64 mm
Lens length: 150.15 136.89 130.04 mm
Back focus: 20.96 25.13 29.31 mm
We will update you soon as we get any new information
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