Kangaroo at the Pittsburgh Zoo.  210 mm, F/5.4, ISO 200, 1/1000 sec exposure.

Pufferfish at the Pittsburgh Zoo.  105 mm, F/4, ISO 3200, 1/80 sec exposure.

A Blue Tang at the Pittsburgh Zoo.  92 mm, F/4, ISO 1400, 1/100 sec. exposure.

Orange fish at the Pittsburgh Zoo.  55 mm, F/4, ISO 3200, 1/10 sec. exposure.

Big cat at the Pittsburgh Zoo.  270 mm, F/5.6, ISO 320, 1/320 sec exposure.