... ~9mm lens Min. Illumination: 0.01Lux (B/W) OSD, ModelES500-MD-G86ISignal SystemNTSCPALScanning System2:1 InterlaceScanning Frequency(H)15.734 KHz15 ... /Off (4 Programmable Zone)Electronic Shutter Speed1/60~1/120,0001/50~1/120,000Manual Shutter Speed1/60, 1/250, 1 ...