Lens cap for the Samyang 8mm f/3.5 Fisheye Lens (the version with the fixed lens hood and gold ring, not the newer version with a removable hood and red ring).
...Plus Fits inside the lens hood instead of over it which makes it easier to fit into lens pouches. The lens is also sold under the brands Rokinon, Bower, Vivitar, Falcon, Walimex, and Pro-Optic.
Lens cap diameter is approximately 72mm.
