Sony's full-frame mirrorless camera system continues to grow in popularity, and with that growth comes more robust third-party lens support. Rokinon, a brand many photo enthusiasts know well, fills in a hole in Sony's first-party line with its 14mm F2.8 AF Sony E ($899), an ultra-wide prime with a bright f/2.8 aperture. Its performance is surprisingly underwhelming, however, as it isn't sharp unless stopped down. If you have the budget, you'll get better results from the Sony FE 12-24mm F4 G or the Sigma 14mm F1.8 DG HSM Art Design: A Compact, Full-Frame 14mm The 14mm ($549.00 at Amazon) is surprisingly small given just how wide of an angle it covers, and the fact that its image circle covers a full-frame sensor. It measures 3.8 by 3.4 inches (HD) and weighs 1.1 pounds. The barrel is metal, although the integrated lens hood and slip-on cap are plastic. Despite having a relatively flat front element, there is no thread for lens filters. You can get a holder for glass filters from N...
The Rokinon 14mm F2.8 AF Sony E isn't nearly as expensive as other ultra-wide, autofocus lenses for Sony's full-frame mirrorless system, but its performance isn't as strong.
Relatively compact; Ultra-wide angle of view; Metal barrel; Integrated lens hood
Slow autofocus; Not sharp at f/2.8; Edge quality suffers at wider f-stops; Prone to flare; Noticeable barrel distortion; Dim corners