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Netview CCTV Ltd 3K (5MP) ColorVu AoC Hikvision DS-2CE72KF0T-FS 2.8mm 102° 40m... netviewcctv.co.uk
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1080P 2MP HD Camera Lens Manual Focus M12 Mount F1:1.4 2.8-12mm Security CCTV DD 8852101445677 | eBay
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What's the difference between 2.8mm & 3.6mm lenses?
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