SIGMA 40mm F1.4 DG HSM Art

SIGMA filed a patent of 40mm F1.4 DG HSM Art.

【公開番号】特開2020-12952(P2020-12952A) click here
【公開日】令和2年1月23日(2020.1.23)
【発明の名称】撮像レンズ

Embodiment 4: 40mm F1.4 DG HSM Art
Focal length: 40.53 mm
F number: 1.46
Angle of view: 56.66
Image height: 21.63 mm
Lens length: 170.00 mm
Back focus: 39.0002 mm

At INF

At MOD

At INF

At MOD