The Tokina 11-20mm f/2.8 AT-X PRO DX is a versatile wide-angle lens ... for Canon EF and Nikon F mount DSLRs. The Tokina 11-20mm features a constant maximum aperture of f/2.8 across the zoom ...
As CCTV lenses have become complex, Tokina has kept up to date with their demanding requirements. So, you can get the "today" high performance zoom and vari-focal lenses to meet your business needs.