Patents: Tamron 90mm f/2.8 Macro and 24-70mm f/4 Lenses

Tamron has filed two new patents for Tamron 90mm f/2.8 Macro and 24-70mm f/4 Lenses, which are designed for Sony E-mount full-frame mirrorless cameras. Take a look at the patent details below:

90mm f/2.8 1:1 Macro
【Publication number】 JP 2021-9262(P2021-9262A)
【Release date】 January 28, 2021
【Patent application title】 Imaging optical system

Embodiment 1
Focal length: 92.6989, 36.6463 mm (INF, β=1.01)
F number: 2.8801, 5.7890 (INF, β=1.01)
Half angle of view: 12.8942, 9.5622 (INF, β=1.01)
MOD: 105.4453 mm

 

Embodiment 5
Focal length: 87.2998, 34.1392 mm (INF, β=1.01)
F number: 2.8798, 5.7893 (INF, β=1.01)
Half angle of view: 13.4082, 9.2930 (INF, β=1.01)
MOD: 107.4033 mm

 

Standard Zoom
【Publication number】 JP 2021-9217(P2021-9217A)
【Release date】 January 28, 2021
【Patent application title】 Imaging optical system

Embodiment 2: 24-70mm F4
Focal length: 24.714 40.968 67.899 mm
F number: 4.100 4.100 4.100
Half angle of view: 42.458 27.220 17.161

The new Sony a1 is now available for pre-order at AmazonB&HAdoramaFocusCamera.

Read more: Best Lenses for Sony a1 and Best Memory Cards for Sony a1

Via: Hi-lows-note