Taylor Hobson Cooke Amotal 2 inch f2 for M42 brand_Hasselblad mostly on the lens surrounds

mostly on the lens surrounds

The Canon EOS Connecting Cord 300 is a 9

so they may or may not be helpful)

The Nikon TC-20E II is an autofocus teleconverter designed for select Nikon AF-S telephoto lenses (here's Nikon's compatibility list)

reflected light

Taylor Hobson Cooke Amotal 2 inch f2 for M42 brand_Hasselblad mostly on the lens surroundsThis Taylor Hobson Cooke Amotal Anastigmat 2 inch f2 lens is a rare lens in pretty nice condition: optically clear, with light coating marks, a working (though slightly oily) diaphragm, and an adequate M42 mount. I say "adequate" because while it is a functional, original "Made In Italy" unit the design of the lens and focusing mount makes it difficult to secure this to a camera without jamming the focus, as it appears to be a straight helicoid with