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Patent for AF-S NIKKOR 28mm f/1.4E ED [Patent]

NIKON and KONICA-MINOLTA filed patent of 28mm F1.4 for DSLR with 35mm full-frame sensor.
AF-S NIKKOR 28mm f/1.4E ED should be the collaborative work of NIKON and KINICA-MINOLTA.

(11)【公開番号】特開2017-227799(P2017-227799A) click here
(43)【公開日】平成29年12月28日(2017.12.28)
(54)【発明の名称】撮像レンズ,撮像光学装置及びデジタル機器
(71)【出願人】 Applicant
【識別番号】000001270
【氏名又は名称】コニカミノルタ株式会社 KONIKA-MINOLTA Co.
(71)【出願人】 Applicant
【識別番号】000004112
【氏名又は名称】株式会社ニコン NIKON Co.

Specification and lens arrangement of embodiment 1
Focal length: 28.41 mm
F No: 1.45
2ω: 75.42
y'max: 21.6 mm
Lens length: 144.38 mm
Back focus: 38.47 mm
JPA_429227799_000004.gif
JPA_429227799_000008.gif

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Tonic and Aphrodisiac [Light in the Night]

どちらも夢でしょうね。
tonic_and_aphrodisiac.jpg
Camera: Sony NEX-7, Lens: Sony E 18-55mm F3.5-5.6 OSS, Focal length: 33mm, Aperture: f/5.6, Ex.: 1/60 sec, ISO: 320.

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12-385mm F1.8-4.0 for 4/3 sensor from CANON [Patent]

CANON filed patent of 12-385mm F1.8-4.0 for a camcorder with 4/3 sensor.

【公開番号】特開2017-223752(P2017-223752A) click here
【公開日】平成29年12月21日(2017.12.21)
【発明の名称】ズームレンズおよびこれを用いた撮像装置

Specification and lens arrangement of embodiment 4
Focal length: 12.00 - 385.00 mm
F No.: 1.85 - 4.00
ω: 39.06 - 1.61
Image height: 9.74 - 10.82 mm
Back focus: 24.11 - 11.01 mm
Lens length: 254.88 - 280.86 mm
JPA_429223752_000016.jpg
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300mm F2.8, 400mm F4, and 500mm F4 from TAMRON [Patent]

TAMRON filed patent of 300mm F2.8, 400mm F4, and 500mm F4 for a 35mm full-frame sensor.

【公開番号】特開2017-223891(P2017-223891A) click here
【公開日】平成29年12月21日(2017.12.21)
【発明の名称】光学系及び撮像装置

Specifications and lens arrangements

Embodiment 1: 300mm F2.8
Focal length: 304.799 mm
F No.: 2.8
ω: 3.997
Image height: 21.64 mm
Back focus: 70.1919 mm
Lens length: 298.38 mm
JPA_429223891_000016.gif

Embodiment 2: 400mm F4
Focal length: 396.296 mm
F No.: 4.0
ω: 2.963
Image height: 21.64 mm
Back focus: 102.3549 mm
Lens length: 332.36 mm
JPA_429223891_000018.gif

Embodiment 3: 500mm F4
Focal length: 485.045 mm
F No.: 4.001
ω: 2.530
Image height: 21.64 mm
Back focus: 125.2621 mm
Lens length: 420.001 mm
JPA_429223891_000020.gif

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For Non-Japanese Readers [Patent]

Thanks for every reader with an interest in my blog.

If you want/need to leave a comment, please copy and paste following Japanese word "コメント" as a first sentence of your comment.
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Behind surface of the rose petal [Small Square World]

There are many branched veins on the behind surface of the rose petal with red edge.
behind surface of the rose petal.jpg
Camera: Sigma DP3 Merrill, Lens: 50mm f/2.8 with Close-Up lens (Canon 250D), Aper.: f/5.6, Ex.: 1/400 sec, ISO: 100, Image area size.: 1 x 1 cm
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400mm F5.6 reflex-mirror lens with an electrochromic ND filter from CANON [Patent]

CANON filed patent of 400mm F5.6 reflex-mirror lens with an electrochromic ND filter for APS-C DSLR camera.

【公開番号】特開2017-219642(P2017-219642A) click here
【公開日】平成29年12月14日(2017.12.14)
【発明の名称】反射屈折光学系及びそれを有する撮像装置

Specification and lens arrangement of embodiment 1
Focal length: 400 mm
F No.: 5.6
2ω: 1.96
Image height: 13.66 mm
Back focus: 33.07 mm
Lens length: 247.73 mm
JPA_429219642_000004.jpg
* OC is an electrochromic ND filter.
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Novel arrangement of light-slits to improve a phase-detection ability for the on-sensor PDAF [Patent]

NIKON filed patent of novel arrangement of slits to improve a phase-detection ability on a heavily defocused image for the on-sensor PDAF.

Most pixels are split into several sub-pixels for an accurate phase-detection, but some special pixels have single light-slit with novel arrangement to help phase-detection for a heavily defocused image.

【公開番号】特開2017-216578(P2017-216578A) click here
【公開日】平成29年12月7日(2017.12.7)
【発明の名称】撮像素子および電子カメラ

JPA_429216578_000005.gif
Structure of the normal pixel with sub-pixels.

JPA_429216578_000006.gif
Structure of pixel with light-slit, type NR, NL.

JPA_429216578_000007.gif
Structure of pixel with light-slit, type SR, SL.

JPA_429216578_000008.gif
Structure of pixel with light-slit, type LR, LL.

JPA_429216578_000011.gif
Arrangement of the special pixels on sensor.
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Winter illumination of roadside trees [Light in the Night]

いつの間にか、街のそこかしこが飾られています。
winter_illumination_of_roadside_trees.jpg
Camera: Sony NEX-7, Lens: SIGMA 18-125mm F3.8-5.6 DC OS HSM, Focal length: 20mm, Aperture: f/5.6, Ex.: 1/60 sec, ISO: 1600.

正方形が落ち着きますね。
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