Crossword clues for pinhole camera
pinhole camera
Wiktionary
n. (context photography English) A simple lensless device for producing a photographic image, consisting of an enclosed box with film or some other flat photosensitive surface on one interior side and a tiny hole in the opposite side.
Wikipedia
A pinhole camera, a variation of Camera obscura, is a simple camera without a lens and with a single small aperture, a pinhole – effectively a light-proof box with a small hole in one side. Light from a scene passes through this single point and projects an inverted image on the opposite side of the box. Exposures projected on to modern light-sensitive photographic film can typically range from five seconds up to as much as several hours, with smaller pinholes requiring longer exposures to produce the same size image. The effect was noted in the 5th century BC in China and has been refined over the centuries.
Usage examples of "pinhole camera".
There was nothing wrong with the idea of a pinhole camera eye, whose retina was composed of olfactory nerve endings rather than the rods and cones of photosensitive organs.
Other crustaceans have a compound eye like insects (really a bank of lots of tiny eyes), while other molluscs, as we have seen, have a lensed camera-eye like ours, or a pinhole camera-eye.
It looks at the stream of frames (individual still images) coming from the pinhole camera and notices that, although the total amount of data in those frames is rather large, the difference from one frame to the next is tiny.
I ask each of my students to make a pinhole camera like this, and to experiment with it.
It seemed like she was straining to see through these narrow apertures in order to magnify her field of view--much in the manner of a pinhole camera.
The grizzled Chinese gentlemen who sat around the table with them in Kinakuta, and whose mugs were secretly captured by the pinhole camera on Randy’.
The name arises out of the fact that in an effort to reduce the fuzziness of distant objects, the myopic individual brings his eyelids together, converting his eyes into a sort of pinhole camera that requires no focusing.