www.sdmmag.com/articles/82419-focus-shift-not-a-problem

Focus shift not a problem

August 1, 2005
Extreme CCTV’s EX27-MNX 4-8 mm cameras use MFP technology, a photocell-controlled filtering technique that helps eliminate problems such as focus shift and IR bleed. The LXR-type CCD helps the camera deliver spectral response in both visible and near-infrared lighting. A high-efficiency 18-LED ring and full environmental certifications ensure total performance in zero lux and all weather conditions respectively. Extreme CCTV

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