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Sigma Patent Application for a 28mm F1.2
Sigma Patent Application for a 28mm F1.2
MirrorlessReports Admin
/ Categories: L Alliance, Patents

Sigma Patent Application for a 28mm F1.2

Sigma, as we've reported here, continues to impress with some incredible patent designs, as we found this week with another patent, this time a 28mm F1.2 patent application from Sigma.

There's quite a few designs in this patent application

One of the more interesting ones was a 28mm F1.2 embodiment shown below.

Focal length: 28.90
F-Number : 1.25
Half Angle : 76.94
Image height: 21.63
Lens length: 157.00

Other embodiments show a variety of F1.2 lenses including 50mm, 40mm and 35mm;

Focal length: 48.30
F-Number : 1.26
Half Angle : 48.8
Image height: 21.63
Lens length: 165.00

Focal Length: 41.35
F-Number 1.26
Half Angle 57.17
Image Height 21.63
Lens Length 157.00

Focal Length 36.19
F-Number 1.25
Half Angle 64.18
Image Height 21.63
Lens Length 157.00

Japan Patent Application 2019-215510

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