15-30mm F2.8 for 35mm full-frame mirroless cameras from TAMRON [Patent]
TAMRON filed a patent of 15 - 30 mm f/2.8 wide-angle zoom lens for 35 mm full-frame mirrorless cameras.
In this patent, several lenses relating to "17-28mm F/2.8 Di III RXD" are described.
【公開番号】特開2020-101750(P2020-101750A) click here
【公開日】令和2年7月2日(2020.7.2)
【発明の名称】ズームレンズ及び撮像装置
Embodiment 1
Focal length: 15.454 21.199 29.106 mm
F number: 2.90 2.90 2.90
Angle of view: 111.748 91.720 72.321
In this patent, several lenses relating to "17-28mm F/2.8 Di III RXD" are described.
【公開番号】特開2020-101750(P2020-101750A) click here
【公開日】令和2年7月2日(2020.7.2)
【発明の名称】ズームレンズ及び撮像装置
Embodiment 1
Focal length: 15.454 21.199 29.106 mm
F number: 2.90 2.90 2.90
Angle of view: 111.748 91.720 72.321
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