Tamron Patents: 25mm f/2, 40mm f/2, 85mm f/2 Prime Lenses

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Tamron has filed three new patents for Tamron 25mm f/2, 40mm f/2, 85mm f/2 prime lenses, which are designed for Sony E-mount full frame mirrorless cameras. Take a look at the patent details below:

【Publication number】 JP2019-191502 (P2019-191502A)
【Release date】 October 31, 2019
【Patent application title】 Inner focus imaging lens and imaging device

Tamron 25mm f/2 FE Lens

Specification and lens arrangement of embodiment 3

Focal length: 25.5053 mm
F no: 2.0640
ω : 40.7679
Image height: 21.63 mm

Tamron 40mm f/2 FE Lens

Specification and lens arrangement of embodiment 1

Focal length: 41.1947 mm
F no: 2.0834
ω : 27.4433
Image height: 21.63 mm

Tamron 85mm f/2 FE Lens

Specification and lens arrangement of embodiment 2

Focal length: 87.3068 mm
F no: 2.0602
ω : 13.6158
Image height: 21.63 mm

via: hi-lows-note