Earlier this week Sigma introduced its new 20mm F2 DG DN lens for E-mount and L-mount cameras, the widest within the firm’s all-metal ‘I sequence’ of compact prime lenses. Take a look at our pattern gallery to see how its picture high quality stacks up.

Need to study extra about this lens? Watch our hands-on overview from DPReview TV.

View our Sigma 20mm F2 DG DN pattern gallery