Word: lensed
(lookup in dictionary)
(lookup stats)
Dates: during 1920-1929
Sort By: most recent first
(reverse)
Under the great central dome and in adjoining rooms are a series of exhibits illustrating striking natural phenomena and scientific discoveries, so arranged that the visitor may himself perform the experiments. They include: ¶ Mirrors to catch the sunlight at all hours and project it through a telescopic lens in...
A camera that works eight times faster than the swiftest known camera of today, and can take pictures by starlight alone, is the invention of Professor James Worthington, an astronomer of Carmel, Calif. He is interested chiefly in astronomical photography, but his achievements may revolutionize commercial and motion picture photography...
Mr. Means, not minded to take such treatment, faced the camera squarely. Next day the News published his picture. It could not be said that he was hiding or cowering. He exposed himself fully to the lens with an expression which was not entirely unlike "that of a slightly irate...
A ten-inch photographic telescope is being used for the study of variable stars in the southern Milky Way, and in the Magellanic Clouds. A special telescope with wide-angle lens carries on the photographic patrol of the whole southern sky--an investigation long maintained by the University in order...
"For this purpose a ten-inch visual telescope is mounted on the same tube with the 26-inch camera lens. Through this the astronomer watches a faint star and counteracts every apparent displacement of the star from a fixed point by operating delicate motions up and down and right and...