Question

The first picture of a pinhole camera

obscura is a drawn by?

A. Gemma Frisus' De Radio

B. Giambattista della Porta

C. David Brewster

D. Sir William Crookes​

Answer 1

Ans. A

Sol. The first picture of a pinhole

camera obscura is a drawing by an

astronomer Gemma Frisus' De Radio.

A pinhole camera or dark chamber is a

camera with a pinhole aperture and no

lens. Light passes through the hole; an

image is formed in the camera.

He used the pinhole in his darkened

room to study the solar eclipse of 1544.

A pinholelensless camera is a light-tight

box with a very fine round hole in one end

and film or photographic paper in the

other.