RF24-100mm F4, not RF24-105mm F4 IS USM

CANON filed a patent of 24-100mm F4 for 35mm full-frame mirrorless cameras.

【公開番号】特開2020-67542(P2020-67542A) click here
【公開日】令和2年4月30日(2020.4.30)
【発明の名称】ズームレンズ及びそれを有する撮像装置

Embodiment 4: RF24-100mm F4, not RF24-105mm F4 IS USM
Zoom ratio: 4.13
Focal length: 24.72 53.96 102.00 mm
F number: 4.12 4.12 4.12
Half angle of view: 41.19 21.85 11.98
Image height: 21.64 21.64 21.64 mm
Lens length: 133.43 152.26 171.08 mm
Back focus: 18.51 32.77 43.74 mm

RF 70-300mm F3.5-5.6 and 100-500mm F5.6-6.4

CANON filed a patent of tele-zoom lenses for 35mm full-frame sensor mirrorless cameras.

【公開番号】特開2020-64176(P2020-64176A) click here
【公開日】令和2年4月23日(2020.4.23)
【発明の名称】ズームレンズ及びそれを有する撮像装置

Embodiment 3: 70-300mm F3.5-5.6
Zoom ration: 3.97
Focal length: 72.86 133.96 289.00 mm
F number: 3.75 4.66 5.83
Half angle ov view: 16.54 9.17 4.28
Image height: 21.64 21.64 21.64 mm
Lens length: 162.01 202.44 237.12 mm
Back focus: 13.80 31.02 57.79 mm


Embodiment 5: 100-500mm F5.6-6.4
Zoom ration: 4.75
Focal length: 102.00 220.00 485.00 mm
F number: 5.69 6.14 6.43
Half angle of view: 11.98 5.62 2.55
Image height: 21.64 21.64 21.64 mm
Lens length: 213.16 266.00 293.16 mm
Bacl focus: 11.09 26.50 42.04 mm

RF 100mm F2.8 2x Macro

CANON filed two patents of macro lenses for 35mm full-frame mirrorless cameras.

【公開番号】特開2020-60660(P2020-60660A) click here
【公開日】令和2年4月16日(2020.4.16)
【発明の名称】光学系及び撮像装置

【公開番号】特開2020-60661(P2020-60661A) click here
【公開日】令和2年4月16日(2020.4.16)
【発明の名称】光学系及び撮像装置

Embodiment 5 in P2020-60660A: RF 100mm F2.8 2x Macro
Focal length: 103.00 mm
F number: 2.92
Half angel of view: 11.86
Image height: 21.64 mm
Lens length: 167.36 mm
Back focus: 15.14 mm

RF 8mm F4 circular fisheye

CANON filed a patent of circular fisheye lenses for mirrorless cameras.

【公開番号】特開2020-56995(P2020-56995A) click here
【公開日】令和2年4月9日(2020.4.9)
【発明の名称】光学系及びそれを有する撮像装置

Embodiment 1
Focal length: 8.10 mm
F number: 4.00
Half angle of view: 90.84
Image height: 11.50 mm
Lens length: 66.13 mm
Back focus: 13.21 mm

70-130mm F2 and 200-400mm F4 from TAMRON

TAMRON fied a patent containing 70-130mm F2 and 200-400mm F4.

【公開番号】特開2020-52338(P2020-52338A) click here
【公開日】令和2年4月2日(2020.4.2)
【発明の名称】ズームレンズ及び撮像装置

Embodiment 5: 200-400mm F4
f 203.875 290.974 388.046
Fno 4.120
ω 5.854 4.108 3.087
Y 21.633
TL 310.000
BF 34.952


Embodiment 6: 70-130mm F2
f 72.110 97.006 130.941
Fno 2.060
ω 16.823 12.307 9.071
Y 21.633
TL 205.680
BF 20.170

RF 85mm F1.8 and 100mm F2.8

CANON filed a patent of various optical formulas for RF85mm F1.8 and RF100mm F2.8.

【公開番号】特開2020-52118(P2020-52118A) click here
(43)【公開日】令和2年4月2日(2020.4.2)
(54)【発明の名称】光学系及びそれを有する撮像装置

Embodiment 1: RF85mm F1.8
Focal length: 84.05 mm
F number: 1.86
Half angle of view: 14.44
Image height: 21.64 mm
Lens length: 100.02 mm
Back focus: 14.64 mm


Embodiment 4: RF100mm F2.8
Focal length: 101.03 mm
F number: 2.88
Half angle of view: 12.09
Image height: 21.64 mm
Lens length: 130.45 mm
Back focus: 18.70 mm