Aperture: f/3.5 - average aperture, could be cheap kit lens
f/3.5
Shutter: 20 sec - very long exposure, needs tripod
20
ISO: 1600 ASA - medium ISO, need a good digital camera chip to control noise
1600
-1
-5
0.0048 cd/m²
0.0004 cd/ft²
0.0014 ftL
0.0962 lux