Tamron Patents 28-70mm F2 Lens
Tamron has been issued a patent in Japan for a 28-70mm F2 lens, granted on October 30, 2025, after application in April last year.
Tamron wants to provide a zoom lens that can be miniaturized as a whole while having a large aperture ratio and in which various aberrations are satisfactorily corrected in the entire zoom region, and to provide an imaging apparatus including the zoom lens.
Author's summary: Tamron patented a 28-70mm F2 lens in Japan.