Note: I noticed when taking long distance photographs, I had to back-off infinity to achieve focus.
This is a good sharp lens for it's age.
Townsite of Arivaca, Arizona near the international border with Mexico.
70mm f11 1/200sec ISO100 0.0EV
28mm f4 1/1000sec ISO100 -0.3EV
28mm f8 1/1000sec ISO100 -0.3EV