18mm F1.8 and 20mm F2.0 for 35mm full-frame DSLR from TAMRON

TAMRON filed a patent of 18mm f/1.8 and 20mm f/2.0 for 35mm full-frame DSLR.

【公開番号】特開2019-168724(P2019-168724A) click here
【公開日】令和1年10月3日(2019.10.3)
【発明の名称】広角レンズ及び撮像装置

Specification and lens arrangement of embodiment 1
Focal length: 18.17 mm
Fno.: 1.87
Image height: 21.633 mm
Back focus: 38.31867 mm


Specification and lens arrangement of embodiment 3
Focal length: 20.14 mm
Fno.: 2.03
Image height: 21.633 mm
Back focus: 38.31867 mm