LAOWA 9mm f/2.8 ZERO-D Lens for Sony E CANONSN The optical design includes a

The optical design includes a large aperture XA (extreme aspherical) element and three fluorite elements that help to minimise axial chromatic aberration that can be a problem in large-aperture lenses

smooth rotation from close focus to infinity

nearly circular aperture is used to smoothly render out-of-focus highlights

4mm diameter

LAOWA 9mm f/2.8 ZERO-D Lens for Sony E CANONSN The optical design includes aPairing an ultra wide angle field of view with an especially compact design, this Laowa 9mm f 2. 8 Zero D from Laowa is a Sony E mount lens offering a 13. 5mm equivalent focal length. As a Zero D lens, this 9mm f 2. 8's optical design is specifically meant to limit distortion for clear and accurate portrayals of landscapes and architectural subjects. The optical construction also incorporates a pair of aspherical elements and three extra low