How to use in-sentence of “pinhole”:
– At its strongest, the pinhole eye of Wilma was about 3 miles in diameter, the smallest known eye in an Atlantic hurricane.
– A pinhole camera is a camera without a conventional glass lens.
– The pinhole eye is an advanced form of pit eye.
– Very early in history, Greeks such as Aristotle and Euclid wrote on naturally-occurring rudimentary pinhole cameras, for example light may travel through the slits of wicker baskets and the crossing of leaves.
– One type of camera called the Pinhole camera has no lens but uses a very small hole to focus light.
– What enabled a much better understanding of the pinhole camera was the discovery that light enters the eye rather than leaving it.
– The shutter of a pinhole camera usually consists of a hand operated flap of some light-proof material to cover and uncover the pinhole.
– In his experiment of the sun light he extended his observation of the penetration of light through the pinhole to conclude that when the sun light reaches and penetrates the hole it makes a conic shape at the points meeting at the pinhole, forming later another conic shape reverse to the first one on the opposite wall in the dark room.
