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Pinhole camera
The Pinhole camera is the simplest optical device with which one can produce an image of an object. It consists essentially of an opaque housing with a small opening (hole) on one side and a screen on which the image of the object can be observed.
Pinhole camera
Pinhole camera – Pictures out of the box – This is crazy! The most elaborate cameras are being built today: with huge lenses, complicated electronics and manuals as thick as books. Here, a cardboard box is all that is needed to make images. Have fun snapping away!
Is it true that a room can be a big camera??
02.10.2014 – if you close the shutters on a window except for a small slit, colorful "shadows" appear in the room On walls and ceilings. These shadows are much more than one suspects at first glance. Header reporter Adrian Pflug explores the origins of the mysterious murals with photographer Philipp Werner.
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Images on converging lenses
Collective lenses are transparent bodies made of glass or plastic that can have very different shapes. When light hits it, it is refracted according to the law of refraction. In the case of converging lenses, axis-parallel light falling on them is first concentrated behind the lens in one point, the focal point.
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Knowledge test – ray optics
Ray optics is about describing light with the model light ray. This can be used to describe the propagation of light, the formation of shadows or the formation of a solar eclipse.
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Nation states – Why did the camera have a hole?
At the very beginning there was the Pinhole camera , better known perhaps as the "camera obscura" . Translated this means nothing else than "dark chamber". This Pinhole camera was not an invention of the modern times, already Aristotle knew it and Leonardo da Vinci understood probably already the function mode of the camera obscura, so it is in any case said.
"Camera obscura": precursor of photography
The first precursor of photography is called camera obscura. This discovery was made by the Arab naturalist Ibn al Haitham back around the year 1000. Also the ..
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World Press Photo Award 2009: Award winners give you tips
World Press Photo Award 2009: Award winners give you tips – Shoot like the pros! Here, three winners of the World Press Photo Award 2009 reveal little tricks for impressive photos.
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Attention, solar eclipse!
19.03.2015 – Friday is the day – a very rare and exciting event is about to happen: a solar eclipse!
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Solar eclipse
18.03.2015 – On Friday morning, the moon moves in front of the sun and covers it to a large extent. We show you how to watch the spectacle safely.
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