Sigma has announced the 20mm F1.4 DG DN lens for L-mount and Sony E-mount cameras. This new lens is a mirrorless successor to the company's 20mm F1.4 DG HSM lens for DSLR camera systems and brings a collection of unique features that make it a particularly intriguing offering for astro and landscape photography. The lens is constructed of 17 elements in 15 groups, including two Super-Low Dispersion (SLD) elements and three aspherical elements. Included in these specialized element is a pair of d...
Sigma has announced the 20mm F1.4 DG DN lens for L-mount and Sony E-mount cameras. This new lens is a mirrorless successor to the company's 20mm F1.4 DG HSM lens for DSLR camera systems and brings a collection of unique features that make it a particularly intriguing offering for astro and landscape photography. The lens is constructed of 17 elements in 15 groups, including two Super-Low Dispersion (SLD) elements and three aspherical elements. Included in these specialized element is a pair of d...
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