Tamron 25mm, 40mm and 85mm f/2.0 Full Frame Patents Found


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

via hi-lows-note, j-platpat.inpit.go

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