Circle Day and Circle Night

ISO 200 44mm f/5.0 1/400 sec

ISO 200 55mm f/5.6 1/1000 sec

ISO 200 18mm f/10.0 1/1600 sec

ISO 200 18mm f/3.5 1/640 sec

ISO 200 18mm f/3.5 1/1250 sec

ISO 400 18mm f/3.5 .4 sec

ISO 400 55mm f/5.6 1/6 sec

ISO 400 27mm f/7.1 1.0 sec

ISO 400 46mm f/5.0 1/25 sec

ISO 400 37mm f/4.5 1/25 sec