Matches in DBpedia 2014 for { <http://dbpedia.org/resource/Pinhole_camera> ?p ?o. }
Showing items 1 to 79 of
79
with 100 items per page.
- Pinhole_camera abstract "A pinhole camera 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. 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 (popular for observing solar eclipses; see also camera obscura), or can expose photographic film or a charge coupled device (CCD). Pinhole cameras with CCDs are often used for surveillance[citation needed] because they are difficult to detect.Pinhole devices provide safety for the eyes when viewing solar eclipses because the event is observed indirectly, the diminished intensity of the pinhole image being harmless compared with the full glare of the Sun itself.[citation needed]World Pinhole Day is held on the last Sunday of April.".
- Pinhole_camera thumbnail Pinhole-camera.svg?width=300.
- Pinhole_camera wikiPageExternalLink 2364990891.
- Pinhole_camera wikiPageExternalLink pinhole.
- Pinhole_camera wikiPageExternalLink 897715.
- Pinhole_camera wikiPageExternalLink pinholeCanBox.shtml.
- Pinhole_camera wikiPageExternalLink www.mrpinhole.com.
- Pinhole_camera wikiPageExternalLink index.php.
- Pinhole_camera wikiPageExternalLink www.precinemahistory.net.
- Pinhole_camera wikiPageID "81609".
- Pinhole_camera wikiPageRevisionID "605816155".
- Pinhole_camera align "left".
- Pinhole_camera alt "1200.0".
- Pinhole_camera alt "2.0".
- Pinhole_camera alt "A home-made pinhole camera , wrapped in black plastic to prevent light leaks, and related developing supplies.".
- Pinhole_camera alt "A pinhole camera made from an oatmeal box. The pinhole is in the center.".
- Pinhole_camera alt "Ancient pinhole camera effect caused by balistrarias in the Castelgrande in Bellinzona".
- Pinhole_camera alt "Holes in the leaf canopy project images of a solar eclipse on the ground.".
- Pinhole_camera alt "Principle of a pinhole camera: light rays from an object pass through a small hole to form an inverted image.".
- Pinhole_camera caption "1200.0".
- Pinhole_camera caption "2.0".
- Pinhole_camera caption "A home-made pinhole camera , wrapped in black plastic to prevent light leaks, and related developing supplies.".
- Pinhole_camera caption "Ancient pinhole camera effect caused by balistrarias in the Castelgrande in Bellinzona".
- Pinhole_camera caption "Holes in the leaf canopy project images of a solar eclipse on the ground.".
- Pinhole_camera caption "Principle of a pinhole camera: light rays from an object pass through a small hole to form an inverted image.".
- Pinhole_camera caption "Same camera made from an oatmeal box without black plastic . The pinhole is in the center.".
- Pinhole_camera direction "horizontal".
- Pinhole_camera hasPhotoCollection Pinhole_camera.
- Pinhole_camera image "IMG 1650 zonsverduistering Malta.JPG".
- Pinhole_camera image "LongExposurePinhole.jpg".
- Pinhole_camera image "Pinhole-camera.svg".
- Pinhole_camera image "PinholeCameraAndRelatedSupplies.jpg".
- Pinhole_camera image "PinholeCameraImage.jpg".
- Pinhole_camera image "Schießscharten als Lochkamera.JPG".
- Pinhole_camera width "200".
- Pinhole_camera width "210".
- Pinhole_camera width "230".
- Pinhole_camera width "240".
- Pinhole_camera width "272".
- Pinhole_camera width "334".
- Pinhole_camera subject Category:Cameras_by_type.
- Pinhole_camera type Artifact100021939.
- Pinhole_camera type Camera102942699.
- Pinhole_camera type CamerasByType.
- Pinhole_camera type Equipment103294048.
- Pinhole_camera type Instrumentality103575240.
- Pinhole_camera type Object100002684.
- Pinhole_camera type PhotographicEquipment103926148.
- Pinhole_camera type PhysicalEntity100001930.
- Pinhole_camera type Whole100003553.
- Pinhole_camera comment "A pinhole camera 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. Up to a certain point, the smaller the hole, the sharper the image, but the dimmer the projected image.".
- Pinhole_camera label "Cámara estenopeica".
- Pinhole_camera label "Câmera pinhole".
- Pinhole_camera label "Fotografia otworkowa".
- Pinhole_camera label "Gaatjescamera".
- Pinhole_camera label "Lochkamera".
- Pinhole_camera label "Pinhole camera".
- Pinhole_camera label "Stenoscopia".
- Pinhole_camera label "Sténopé".
- Pinhole_camera label "Стеноп".
- Pinhole_camera label "كاميرا ذات الثقب".
- Pinhole_camera label "ピンホールカメラ".
- Pinhole_camera label "針孔相機".
- Pinhole_camera sameAs Lochkamera.
- Pinhole_camera sameAs Cámara_estenopeica.
- Pinhole_camera sameAs Sténopé.
- Pinhole_camera sameAs Stenoscopia.
- Pinhole_camera sameAs ピンホールカメラ.
- Pinhole_camera sameAs 바늘구멍_사진기.
- Pinhole_camera sameAs Gaatjescamera.
- Pinhole_camera sameAs Fotografia_otworkowa.
- Pinhole_camera sameAs Câmera_pinhole.
- Pinhole_camera sameAs m.0k_tc.
- Pinhole_camera sameAs Q313742.
- Pinhole_camera sameAs Q313742.
- Pinhole_camera sameAs Pinhole_camera.
- Pinhole_camera wasDerivedFrom Pinhole_camera?oldid=605816155.
- Pinhole_camera depiction Pinhole-camera.svg.
- Pinhole_camera isPrimaryTopicOf Pinhole_camera.