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

image

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

Get CCTV, 3rd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.