A new standard for cine lens for mirrorless cameras bright t13 aperture glass aspherical lens asp ultra multi coating umc technology of samyang optics circular aperture with 9 blades declicked aperture and focus gear ring standard angle manual focus cine lens for mirrorless cameras samyang optics 50mm t13 as umc cs is a standard angle manual focus cine lens for mirrorless cameras with aps c sensor sizes with a significantly bright t13 aperture the lens creates bright