What does pinhole camera mean?
Definitions for pinhole camera
pin·hole cam·er·a
This dictionary definitions page includes all the possible meanings, example usage and translations of the word pinhole camera.
Wiktionary
pinhole cameranoun
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
Pinhole camera
A pinhole camera is a simple camera without a lens but with a tiny aperture (the so-called pinhole)—effectively a light-proof box with a small hole in one side. Light from a scene passes through the aperture and projects an inverted image on the opposite side of the box, which is known as the camera obscura effect. The size of the images depends on the distance between the object and the pinhole.
Wikidata
Pinhole camera
A pinhole camera is a simple camera without a lens and with a single small aperture – 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. The human eye in bright light acts similarly, as do cameras using small apertures. Up to a certain point, the smaller the hole, the sharper the image, but the dimmer the projected image. Optimally, the size of the aperture should be 1/100 or less of the distance between it and the projected image. Because a pinhole camera requires a lengthy exposure, its shutter may be manually operated, as with a flap made of light-proof material to cover and uncover the pinhole. Typical exposures range from 5 seconds to several hours. A common use of the pinhole camera is to capture the movement of the sun over a long period of time. This type of photography is called Solargraphy. The image may be projected onto a translucent screen for real-time viewing, or can expose photographic film or a charge coupled device. Pinhole cameras with CCDs are often used for surveillance because they are difficult to detect.
Numerology
Chaldean Numerology
The numerical value of pinhole camera in Chaldean Numerology is: 5
Pythagorean Numerology
The numerical value of pinhole camera in Pythagorean Numerology is: 3
Translations for pinhole camera
From our Multilingual Translation Dictionary
- מצלמת חרירHebrew
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"pinhole camera." Definitions.net. STANDS4 LLC, 2024. Web. 3 May 2024. <https://www.definitions.net/definition/pinhole+camera>.
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