SAVEoN Professional 58mm Reversible Lens Hood For Canon 18-55mm 55-250mm 75-300mm 70-300mm Nikon 55-300mm 50mm 1.4 G Offers full rotation to adopt ultimate shade protection, while preserving a secure hold onto your lens Locking clamp thread allows rotation even with the mounting of adaptor rings and filters Reversible hood shortens lens length when not in use Protects lens from scratches, aligns, and dents