Sigma 135mm F1.4 DG Art Review With its new 135mm F1.4 DG Art lens, it’s clear that Sigma is actively trying to outdo Sony’s own lens development. This new lens, the widest aperture 135mm for the Sony platform, joins the impressive 300-600mm and 200mm telephoto lenses in a list of products that keep making me … Continue reading Sigma 135mm F1.4 DG Art Hands-on: A Portrait Lens Sony Should Have Made