Nikon TC-14EII brand_Rokinon so maybe save it for

so maybe save it for your mirrorless camera if you're not going to shoot this on a Spotmatic

Why would you put a fisheye adapter on a 200mm lens

but nothing extreme- just enough to remind you that you’re holding a mid-60s German camera

bubble case and box

pretty much whatever

Nikon TC-14EII brand_Rokinon so maybe save it forThe Nikon TC 14EII is an autofocus teleconverter designed for select Nikon AF S telephoto lenses (here's Nikon's compatibility list). Provides a 1. 4x focal length boost, costs 1 stop of light. One of Nikons most widely compatible teleconverters, this TC 14EII is in excellent condition, with clean glass.