Image on top shows the Sigma 135mm f/1.8 DG DN lens construction Today four new Full Frame lens patents surfaced in Japan: Sigma 135mm f/1.8 DG DN Tamron 16-70mm f/4.0 Tamron 20-72mm f/4.0 Tamron 28-72mm f/4.0 The Sigma would be… The post New patents: Sigma 135mm f/1.8 DG DN lens and new Tamron 16-70mm, 20-72mm, 28-72mm (all f/4.0) Full Frame lenses appeared first on sonyalpharumors....
Published By: SonyAlphaRumors - Thursday, 3 June, 2021