70-200mm F4 DG DN OS from SIGMA [Patent]
Additonal information! 2020-06-04
This pantent should be for PANASONIC LUMIX S PRO 70-200mm F4 O.I.S.
Thanks for FT-san.
SIGMA filed a patent of 70-200mm F4 zoom lenses for 35mm full-frame mirroless cameras.
【公開番号】特開2020-86133(P2020-86133A) click here
【公開日】令和2年6月4日(2020.6.4)
【発明の名称】変倍結像光学系
Embodiment 3
Zoom ratio: 2.68
Focal length: 72.50 118.13 193.95 mm
F number: 4.00 3.99 4.00
Angle of view: 33.22 20.36 12.38
Image height: 21.63 21.63 21.63 mm
Lens length: 200.60 200.60 200.60 mm
This pantent should be for PANASONIC LUMIX S PRO 70-200mm F4 O.I.S.
Thanks for FT-san.
SIGMA filed a patent of 70-200mm F4 zoom lenses for 35mm full-frame mirroless cameras.
【公開番号】特開2020-86133(P2020-86133A) click here
【公開日】令和2年6月4日(2020.6.4)
【発明の名称】変倍結像光学系
Embodiment 3
Zoom ratio: 2.68
Focal length: 72.50 118.13 193.95 mm
F number: 4.00 3.99 4.00
Angle of view: 33.22 20.36 12.38
Image height: 21.63 21.63 21.63 mm
Lens length: 200.60 200.60 200.60 mm
