Taylor Hobson Cooke Amotal 2 inch f2 for M42 brand_Cinestill This Pentax SF-10 is a

This Pentax SF-10 is a bit of a "chonker

Both mount faces lock securely and helicoid action is smooth

Probably not a surprise

Need an easy to use external microphone for your DSLR or video camera

Taylor Hobson Cooke Amotal 2 inch f2 for M42 brand_Cinestill This Pentax SF-10 is aThis 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