Hikvision DS-2CD2543G2-IS 4MP 2.8/2 mm AcuSense Built-in Mic Dome Network Camera

Lens Type Fixed focal lens, 2.8 and 4 mm optional. 2 mm, horizontal FOV 128°, vertical FOV 75°, diagonal FOV 147°. 2.8 mm, horizontal FOV 104.3°, vertical FOV 55.9°, diagonal FOV 123.8°. 4 mm, horizontal FOV 83.7°, vertical FOV 43.0°, diagonal FOV 100.3°.

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