Canon EF 16-35mm f2.8L II brand_Arca Swiss is a 2-stop "reverse" graduated

is a 2-stop "reverse" graduated neutral density filter designed to fit in Cokin P filter holders (sold separately)

with only very minor cosmetic wear and under 1600 actuations

and lightweight enough to pack away when you're done

The Nikon TC-14E II is an autofocus teleconverter designed for select Nikon AF-S telephoto lenses (here's Nikon's compatibility list)

Tested accurate

Canon EF 16-35mm f2.8L II brand_Arca Swiss is a 2-stop "reverse" graduatedThis Canon EF 16 35mm f2. 8L II lens is a professional full frame ultrawide lens with Canon's premium L glass and construction, plus a fast f2. 8 constant aperture. Light cosmetic wear, good function. Includes original hood and pouch.