Sigma's I-Series 50mm — compact metal-barreled f/2 normal prime for Sony FE and L-Mount.
The Sigma 50mm f/2 DG DN I Contemporary is the standard focal length in Sigma's premium I-Series — compact metal-barreled primes with de-clickable aperture. Providing 50mm at f/2 with I-Series build quality.
Optically good — sharp from f/2.8 with pleasant rendering. The I-Series metal barrel provides premium handling above regular Contemporary lenses. De-clickable aperture for video. Good close focus at 45cm. Stepping motor AF.
Available for Sony FE and L-Mount. 58mm filter thread. Approximately 345g — compact with premium feel. Dust and splash resistant. De-clickable aperture ring. I-Series machined metal construction.
Available used at mid-range prices. The I-Series build quality is noticeably premium. The Sigma 50mm f/1.4 DG DN Art is faster and sharper. For photographers valuing compact premium build at the standard focal length.