Sigma’s DG DN lenses for full frame mirrorless cameras are specifically designed to exploit the optical and mechanical design advantages of the configuration’s short flange back distance. All these lenses are currently available in the Sony FE mount and the L mount (for the Leica SL series, the Panasonic Lumix S series, and the Sigma fp and fp L mirrorless camera bodies).
Sigma I Series Lenses Combine High Performance And Compact Designs
Sigma’s compact I series premium primes lenses