Bower 8mm f 3-5 AS IF UMC Fish-eye CS II AE Nikon F mount Lens Low-poly 3D model is available on CGTrader for $20. Original author: 3doverstock. Specs: 7493 polys, 7555 verts.
OBJ (OBJ, filesize: 4.04 MB), MAX (Autodesk 3ds Max, filesize: 2.55 MB), MA (Autodesk Maya, filesize: 4.33 MB), FBX (Autodesk FBX, filesize: 2.34 MB), DAE (Collada, filesize: 4.74 MB), TEXTURES (Textures, filesize: 4.12 MB)