#1 setting: 30 min (2:30am to 3am) F2.8 ISO 100 #2 setting: 1 hour (3am to 4am) F2.8 ISO100 #3 setting 2 hour (4am to 6am) F2.8 ISO100 #4 by D2X 30 min with NR #5 by D2X 1 hour (battery die before NR finish)