The Tokina BH77A Lens Hood fits the Tokina 11-16mm f/2.8 AT-X lens, and is primarily designed to prevent unwanted stray light from entering the lens by extending and shading the end of the lens.
This Zeiss 58mm Front Lens Cap is a replacement cap for Zeiss SLR lenses that feature a 58mm filter thread. Keeping the lens covered when not in use will protect it from dust and scratches. The lens cap is a snap-on type that prominently features the Zeiss logo.
For Zeiss Makro-Planar T* 50mm f/2 and Makro-Planar T* 100mm f/2 Lenses
For Zeiss Distagon T* 35mm f/1.4 and Planar T* 85mm f/1.4 ZE & ZF.2 Lenses
For Zeiss Distagon T* 21mm f/2.8 and Distagon T* 18mm f/3.5 ZE & ZF.2 Lenses