An image on a sensor

TAMRON filed a patent of super telephoto lenses.

【公開番号】特開2019-66676(P2019-66676A)
【公開日】平成31年4月25日(2019.4.25)
【発明の名称】インナーフォーカス式結像光学系及び撮像装置

Specification and lens arrangement of embodiment 8
Focal length: 485 mm
F number: 5.8
Angle of view: 1.31
Image height: 11.15 mm
Lens length: 275 mm

NIDEC-COPAL filed a patent of a focal plane shutter unit with single curtain.
This unit seems to be suitable for an electric first curtain.

【公開番号】特開2019-61127(P2019-61127A)
【公開日】平成31年4月18日(2019.4.18)
【発明の名称】フォーカルプレンシャッタ及び撮像装置


Structure of shutter unit

SIGMA filed another patent of 50-200mm f/2.8-4 tele-zoom lenses for 4/3 sensor.

【公開番号】特開2019-53122(P2019-53122A) click here
【公開日】平成31年4月4日(2019.4.4)
【発明の名称】変倍結像光学系

Specification and lens arrangement of embodiment 1
Zoom ratio: 3.90
Focal length: 50.00 - 97.65 - 195.00 mm
F number: 2.91 - 3.15 - 4.02
Angle of view: 23.93 - 12.28 - 6.22
Image height: 10.82 mm
Lens length: 150.00 - 178.82 - 195.00 mm
Back focus: 22.5906 - 22.5906 - 22.5903 mm


All lenses in the patent are similar to "LEICA DG VARIO-ELMARIT 50-200mm / F2.8-4.0 ASPH. / POWER O.I.S.", but not equal to that one.

CANON filed two patents containing 85mm f/1.2, 100mm f/1.4, 24-70mm f/2.8, and 28-85mm f/2-2.8 for mirrorless cameras.

85mm f/1.2 and 100mm f/1.4
【公開番号】特開2019-49646(P2019-49646A) click here
【公開日】平成31年3月28日(2019.3.28)
【発明の名称】光学系及びそれを有する撮像装置

Specification and lens arrangement of embodiment 1
Focal length: 86.5 mm
F number: 1.24
Image height: 21.64 mm
Lens length: 135.0 mm
Back focus: 13.5 mm


Specification and lens arrangement of embodiment 3
Focal length: 100.0 mm
F number: 1.46
Image height: 21.64 mm
Lens length: 142.0 mm
Back focus: 14.1 mm



24-70mm f/2.8 and 28-85mm f/2-2.8
【公開番号】特開2019-49645(P2019-49645A) click here
【公開日】平成31年3月28日(2019.3.28)
【発明の名称】ズームレンズ及びそれを有する撮像装置

Specification and lens arrangement of embodiment 1
Zoom ratio: 2.75
Focal length: 24.71 - 45.00 - 67.90 mm
F number: 2.88
Half angle of view: 41.21- 25.68 - 17.67
Image height: 21.64 mm
Lens length: 143.89 - 161.78 - 179.68 mm
Back focus: 13.42 - 27.34 - 38.58 mm


Specification and lens arrangement of embodiment 5
Zoom ratio: 3.04
Focal length: 28.00 - 53.77 - 85.00 mm
F number: 2.00 - 2.60 - 2.88
Half angle of view: 37.69 - 21.92 - 14.28
Image height: 21.64 mm
Lens length: 158.50 - 176.83 - 195.16 mm
Back focus: 16.00 - 28.52 - 41.05 mm

CANON filed two patents containing 35mm f/1.4 and 85mm f/1.2 for DSLR and 70-200mm f/2.8 for mirrorless with 35mm full-frame sensor.

For 35mm f/1.4 and 85mm f/1.2
【公開番号】特開2019-45631(P2019-45631A) click here
【公開日】平成31年3月22日(2019.3.22)
【発明の名称】光学系およびそれを有する光学機器

Specification and lens arrangement of embodiment 1
Focal length: 34.31 mm
F number: 1.45
Angle of view: 32.24
Image height: 21.64 mm
Lens length: 139.98 mm
Back focus: 39.01 mm


Specification and lens arrangement of embodiment 2
Focal length: 85.00 mm
F number: 1.24
Angle of view: 14.28
Image height: 21.64 mm
Lens length: 123.50 mm
Back focus: 39.70 mm



For 70-200mm f/2.8
【公開番号】特開2019-45555(P2019-45555A) click here
【公開日】平成31年3月22日(2019.3.22)
【発明の名称】ズームレンズ及びそれを有する撮像装置

Specification and lens arrangement of embodiment 2
Zoom ratio: 2.71
Focal length: 72.00 ~ 134.99 ~ 194.94 mm
F number: 2.91 ~ 2.91 ~ 2.98
Angle of view: 16.73 ~ 9.11 ~ 6.33
Image height: 21.64 mm
Lens length: 172.73 ~ 219.96 ~ 231.71 mm
Back focus: 14.37 ~ 18.40 ~ 28.12 mm

CANON filed a patent containing 10 mm f/2.8 for 35 mm full-frame sensor.

【公開番号】特開2019-40219(P2019-40219A) click here
【公開日】平成31年3月14日(2019.3.14)
【発明の名称】ズームレンズ及びそれを有する撮像装置

Specification and lens arrangement of embodiment 3
Embodiment 1 is for Canon EF 11-24mm f/4L, thanks Misiral 75.
Focal length: 10.30 mm
F number: 2.88
Half angle of view: 64.54
Image height: 21.64 mm
Lens length: 124.58 mm
Back focus: 38.00 mm

PANASONIC and SIGMA filed a patent of LEICA DG VARIO-ELMARIT 50-200mm / F2.8-4.0 ASPH. / POWER O.I.S.

【公開番号】特開2019-32353(P2019-32353A) click here
【公開日】平成31年2月28日(2019.2.28)
【発明の名称】変倍結像光学系
【出願人】
【識別番号】000131326
【氏名又は名称】株式会社シグマ
【出願人】
【識別番号】314012076
【氏名又は名称】パナソニックＩＰマネジメント株式会社

Specification and lens arrangement of embodiment 1
Zoom ratio: 3.80
Focal length: 51.25~100.00~195.00 mm
F number: 2.91~3.35~4.11
Angle of view: 23.43~12.14~6.25
Image height: 10.82 mm
Lens length: 150.00~178.51~195.00 mm



LEICA DG VARIO-ELMARIT 50-200mm / F2.8-4.0 ASPH. / POWER O.I.S.

Sigma seems to be the major lens supplier actually for m4/3 mount.
Will they be the same one for L-mount too?

CANON filed a patent of 400 and 600 mm f/4, and 800 mm f/5.6 with DOE element.

【公開番号】特開2019-28317(P2019-28317A) click here
【公開日】平成31年2月21日(2019.2.21)
【発明の名称】光学系およびそれを有する撮像装置

Specification and lens arrangement of embodiment 1
Focal length: 582.00 mm
F number: 4.12
Half angle of view: 2.13
Image height: 21.64 mm
Lens length: 394.25 mm
Back focus: 62.79 mm


No description about IS in this patent may suggest the possibility of IBIS of next EOS R.

SIGMA filed a patent of 45mm f/1.2 similar to M.ZUIKO DIGITAL ED 45mm F1.2 PRO.

【公開番号】特開2019-23693(P2019-23693A) click here
【公開日】平成31年2月14日(2019.2.14)
【発明の名称】大口径比レンズ

Specification and lens arrangement of embodiment 1
Focal length: 44.10 mm
F number: 1.28
Angle of view: 27.57
Image height: 10.82 mm
Lens length: 101.22 mm



M.ZUIKO DIGITAL ED 45mm F1.2 PRO

CANON filed a patent of 70-300mm f/4-5.6 zoom lens for 35mm full-frame mirrorless.

【公開番号】特開2019-20679(P2019-20679A) click here
【公開日】平成31年2月7日(2019.2.7)
【発明の名称】ズームレンズ及びそれを有する撮像装置

Specification and lens arrangement of embodiment 1
Zoom ratio: 4.11
Focal length: 71.40~136.34~293.23 mm
F number: 3.94~4.72~5.83
Half angle of view: 16.86~9.02~4.22
Image height: 21.64 mm
Lens length: 165.00~202.03~235.83 mm
Back focus: 12.14~31.67~72.45 mm

L2 is for IS group.