SIGMA 18-50mm F2.8 for Fixed Lens Camera with APS-C Sensor [Patent]
SIGMA filed patent of 18-50 mm F2.8 for APS-C sensor with very short back focus.
This patent may be for one of new dp/DPs.
【公開番号】特開2017-211496(P2017-211496A) click here
【公開日】平成29年11月30日(2017.11.30)
【発明の名称】大口径防振付きズームレンズ
Specification and lens arrangement of embodiment 1
Focal length: 17.55 - 48.47 mm
F No.: 2.92
2ω: 81.42 - 32.32
Image height: 13.49 - 14.20 mm
Back focus: 1.0000 - 22.4957 mm
Lens length: 126.29 - 166.99 mm
This patent may be for one of new dp/DPs.
【公開番号】特開2017-211496(P2017-211496A) click here
【公開日】平成29年11月30日(2017.11.30)
【発明の名称】大口径防振付きズームレンズ
Specification and lens arrangement of embodiment 1
Focal length: 17.55 - 48.47 mm
F No.: 2.92
2ω: 81.42 - 32.32
Image height: 13.49 - 14.20 mm
Back focus: 1.0000 - 22.4957 mm
Lens length: 126.29 - 166.99 mm
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