Nothing does black and white quite as well as a Leica lens.
Pentax K20D + Leitz Summicron-R 50mm f/2
Pentax K20D + Tamron 70-300mm
A fellow train passenger, observing the hasty shunting of cars right outside the station.
Pentax K20D + DA 21mm ltd.
Pentax K20D + Tamron 70-300