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58mm F1.4 for 35mm full-frame DSLR with a controllable soft-focus value from CANON [Patent]

CANON filed a patent for lenses with a controllable soft-focus value.

【公開番号】特開2018-97240(P2018-97240A) click here

Specification and lens arrangement of embodiment 1
Focal length: 57.58 mm
F number: 1.43
Half angle of view: 20.60
Image height: 21.64 mm
Lens length: 160.04 mm
Back focus: 40.43 mm

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16-35mm F3.5-4.6 for 35mm full-frame mirrorless (Leica SL) from KONIKA MINOLTA [Patent]

KONIKA MINOLTA filed a patent of 16-35mm F3.5-4.6 zoom lens for 35mm full-frame mirrorless camera, Leica SL.

【公開番号】特開2018-87903(P2018-87903A) click here

Specification and lens arrangement of embodiment 1
Zoom ratio: 2.085
Focal length: 16.400 - 34.200 mm
F number: 3.550 - 4.600
Half angle of view: 52.830 - 32.312
Image height: 21.630 mm
Lens length: 147.938 - 144.659 mm

PS at 2018-06-11 23:30
Mirrorless rumors suggest that this optical design is for Leica SL 16-35mm.

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Lens mount for a mirrorless of NIKON [Patent]

NIKON filed a patent of a lens mount for mirrorless camera.

【公開番号】特開2018-88014(P2018-88014A) click here
An arrangement of electrical contacts (102 at body and 202 at lens) looks like F-mount system.

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Red bordered leaf [Square World]

キヤノン EF-S 17-85mm F4-5.6 IS USM を中古で入手しました。
AFが正常が動かないためとても安価だったのですが、IS は機能しているので、MFが前提になるNEX-7での使用には何の問題もありません。
【撮影条件】 Camera: NEX-7, Lens: 85mm of EF-S 17-85mm F4-5.6 IS USM, Aperture: F8, Exposure: 1/25 sec, ISO: 200.
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CANON improves EF mount [Patent]

CANON filed a patent of EF mount implemented a high-speed electrical connection between body and lens.

Lens mount on a body
There is a switch detecting a high-speed available lens at 1D.
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Fresnel structure improves a light-collection efficiency of microlens on an image sensor [Patent]

Toppan Printing Co. filed a patent of the structure of microlens on an image sensor. They showed an improvement of light-collection efficiency by the fresnel structure.

【公開番号】特開2018-82002(P2018-82002A) click here
Light ray traces through a microlens with a conventional structure (a) and with the fresnel structure (b).
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Folding lens for a mirrorless camera from NIKON [Patent]

NIKON filed a patent of structure of folding lens with a shutter unit not only for compact but also mirrorless.

【公開番号】特開2018-77520(P2018-77520A) click here

Switch ON
S and 40 indicate a sensor and a shutter unit, respectively.

Switch OFF

In the patent description, NIKON mentions this folding structure is able to adapt to an ILC.
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Wide-angle zoom lens for 35mm full-frame mirrorless from CANON [Patent]

CANON filed a patent of wide-angle zoom lens for 35 mm full-frame mirrorless camera.

【公開番号】特開2018-77320(P2018-77320A) click here

Specification and lens arrangement of embodiment 1
Zoom ratio: 1.67
Focal length: 16.48 - 27.44 mm
F number: 2.88
Half angle: 52.70 - 38.25
Image height: 21.64 mm
Back focus: 12.33 - 10.00 mm
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Mother's Day [Small Square World]

カーネーション(Carnation, Dianthus caryophyllus)です。
Camera: Sigma DP3 Merrill, Lens: 50mm f/2.8 with Close-Up lens (Canon 250D), Aper.: f/8.0, Ex.: 1.3 sec, ISO: 100, Image area size.: 1 x 1 cm.

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Japanese thistle [Square World]

ノアザミ(Japanese thistle, Cirsium japonicum)の花を沢山見かけるようになりました。
Cirsium japonicum.jpg
【撮影条件】 Camera: NEX-7, Lens: 70mm of New FD 35-70mm F4, Aperture: F5.6, Exposure: 1/200 sec, ISO: 400.
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