Yes, both the D30, D40, D50, and the D80 come equipped with infrared illuminators and a Progressive CMOS sensor, a combination that enables unparalleled low-light camera performance for up to ranges of 30 meters or more. The cameras measure ambient light and automatically switch between night and day modes at the appropriate times each day.  

Number of infrared illuminators per model:

D30: 8
D40: 4
D50: 8
D80: 12

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