Nikon Speedlight SB-800 brand_Billingham Ideal for architecture or difficult

Ideal for architecture or difficult interior shots

but that's not the case: you can use this lens on anything with an M mount

minor wear on the baseplate

including the the Pentax Spotmatic

Nikon Speedlight SB-800 brand_Billingham Ideal for architecture or difficultThe Nikon Speedlight SB 800 is a professional on camera flash that provides full manual control on or off camera, plus full TTL capability on Nikon DLSRs The SB 800 has a tilting swivelling zooming head, a PC sync connector, and Commander capability with compatible cameras and Speedlights. Minor cosmetic surface wear which will not affect function (and the function is just fine). Includes stand, fifth battery compartment, and case.