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CCTV, 3rd Edition by Vlado Damjanovski

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3

Optics in CCTV

Abstract

Some people take optics quality in CCTV for granted. With the camera resolution development, as well as the miniaturization of CCD and CMOS chips and increase in pixels, we are coming closer to the limits of optical resolution and we need to know a bit more than an average technician. This chapter discusses, again in a simplified way, the most common optical terms, concepts, and products used in CCTV.

Key Words

aspherical lens; Contrast Transfer Function (CTF); index of refraction; Modulation Transfer Function (MTF); reflection; refraction; Snell's law

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Some people take optics quality in CCTV for granted. With the ...

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