F2 of 25, 40 and 85 mm prime lenses for 35mm full-frame mirrorless from TAMRON

TAMRON filed a patent of 25, 40 and 85 mm f/2 prime lenses for 35 mm full-frame mirrorless cameras.

【公開番号】特開2019-191502(P2019-191502A) click here
(43)【公開日】令和1年10月31日(2019.10.31)
(54)【発明の名称】インナーフォーカス式撮像レンズ及び撮像装置

Specification and lens arrangement of embodiment 1
Focal length: 41.1947 mm
F no: 2.0834
ω : 27.4433
Image height: 21.63 mm



Specification and lens arrangement of embodiment 2
Focal length: 87.3068 mm
F no: 2.0602
ω : 13.6158
Image height: 21.63 mm



Specification and lens arrangement of embodiment 3
Focal length: 25.5053 mm
F no: 2.0640
ω : 40.7679
Image height: 21.63 mm