At 12mm, central sharpness is excellent from f/2.8 right through to f/11 and very good at f/16 and f/22. The edges are very good at f/2.8 and f/4, excellent from f/5.6 to f/11, very good at f/16 ...

Used Samyang 14mm f/2.8 IF ED UMC - Canon... Like New £229 Used Samyang 35mm T1.5 AS UMC II - Sony FE... Like New £134 Used Samyang XEEN CF 50mm T1.5 Cine - Cano... Like New £719 Used Samyang ...