During my visit back East last week I spent a couple of hours at the Pittsburgh Zoo.
Camera was a well-worn Sears/Ricoh KS-1 SLR body, Lens a Pentax Takumar Bayonet f:2.8/135mm (hand held), switching to an SMC Pentax-M f:1.7/50mm lens for available light shots inside the Aquazoo building.
Please click on individual thumbnail images to see them enlarged.