In section , 'll run common question people ask good low-light cameras use them.What sensor size good low light photography ? First , buying low-light cameras , consider relationship camera ’ sensor size megapixel count.Lots pixels useful printing , also result image ‘ noise ’ , meaning unwanted artefacts reducing quality picture.Each pixel ( photosite ) generate certain amount heat undergoing longer exposures , larger sensors , pixels spaced , generate less noise.That , pixel density remains low.Full frame sensors best low light , provide good balance image quality camera portability ( larger-sensor cameras like medium format tend expensive bulky , really option professionals specialists ) .However , everyone able afford full-frame , APS-C also good option .