Sigma 20mm f1.4 DG HSM Art Lens for Sony E Its rugged IPX8 design is

Its rugged IPX8 design is natively waterproof up to 33' and has a built-in rechargeable 1800mAh battery for increased shooting time

4 EF 75-300

which contributes to a pleasing bokeh quality

Alpha a450 Digital Camera

Sigma 20mm f1.4 DG HSM Art Lens for Sony E Its rugged IPX8 design isSigma 20mm f1. 4 DG HSM Art Overview Truly wide and truly fast, the Sony E mount 20mm f1. 4 DG HSM Lens is a member of the venerable Art series of Global Vision lenses from Sigma and pairs a sophisticated optical design with a robust physical construction. Comprised of 15 elements in 11 groups, the lens design includes two "F" Low Dispersion (FLD) elements, five Special Low Dispersion (SLD) elements, and two aspherical elements To significantly reduce