Rectilinear lens - Citizendia

In photography, a rectilinear lens is a photographic lens that yields images where straight features, such as the walls of buildings, appear with straight lines, as opposed to being curved. Photography (fә'tɒgrәfi or fә'tɑːgrәfi (from Greek φωτο and γραφία is the process and Art of recording pictures by means of capturing A photographic lens (also known as objective lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with In other words, it is a lens with little barrel or pincushion distortion.

The vast majority of video and still cameras use lenses that produce nearly rectilinear images. A popular alternative type of lens is a fisheye lens which produces a distinctly curvilinear, wide-angled result. In Photography, a fisheye lens is a Wide-angle lens that takes in an extremely wide hemispherical image

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