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	<id>https://wikimd.org/index.php?action=history&amp;feed=atom&amp;title=Camera_obscura</id>
	<title>Camera obscura - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wikimd.org/index.php?action=history&amp;feed=atom&amp;title=Camera_obscura"/>
	<link rel="alternate" type="text/html" href="https://wikimd.org/index.php?title=Camera_obscura&amp;action=history"/>
	<updated>2026-04-27T05:39:36Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.44.2</generator>
	<entry>
		<id>https://wikimd.org/index.php?title=Camera_obscura&amp;diff=6326075&amp;oldid=prev</id>
		<title>Prab: CSV import</title>
		<link rel="alternate" type="text/html" href="https://wikimd.org/index.php?title=Camera_obscura&amp;diff=6326075&amp;oldid=prev"/>
		<updated>2025-02-18T12:08:23Z</updated>

		<summary type="html">&lt;p&gt;CSV import&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 12:08, 18 February 2025&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l30&quot;&gt;Line 30:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 30:&lt;/td&gt;&lt;/tr&gt;
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&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Photography-stub}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Photography-stub}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;File:1755_james_ayscough.jpg|Camera_obscura&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;File:Camera_obscura_Prague.jpg|Camera_obscura&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;File:Camera_Obscura_box18thCentury.jpg|Camera_obscura&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;File:1545_gemma_frisius_-_camera-obscura-sonnenfinsternis_1545-650x337.jpg|Camera_obscura&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/gallery&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Prab</name></author>
	</entry>
	<entry>
		<id>https://wikimd.org/index.php?title=Camera_obscura&amp;diff=5351990&amp;oldid=prev</id>
		<title>Prab: CSV import</title>
		<link rel="alternate" type="text/html" href="https://wikimd.org/index.php?title=Camera_obscura&amp;diff=5351990&amp;oldid=prev"/>
		<updated>2024-03-03T15:01:59Z</updated>

		<summary type="html">&lt;p&gt;CSV import&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Camera Obscura&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
The &amp;#039;&amp;#039;&amp;#039;[[camera obscura]]&amp;#039;&amp;#039;&amp;#039; (Latin for &amp;quot;dark room&amp;quot;) is an optical device that led to photography and the photographic camera. The device consists of a box or room with a hole in one side. Light from an external scene passes through the hole and strikes a surface inside, where the scene is reproduced, inverted (thus upside-down), but with color and perspective preserved.&lt;br /&gt;
&lt;br /&gt;
==History==&lt;br /&gt;
&lt;br /&gt;
The concept of the camera obscura has been in existence since antiquity. The earliest written record of the camera obscura is to be found in the writings of [[Mozi]], a Chinese philosopher who lived in the 5th century BCE. He formally recorded the creation of an image with a [[pinhole]] or lens through the phenomenon of [[light projection]]. &lt;br /&gt;
&lt;br /&gt;
==Principle==&lt;br /&gt;
&lt;br /&gt;
The camera obscura operates on the principle of [[optics]]. When light passes through the aperture, it projects an inverted image on the opposite wall of the chamber. This is due to the linear propagation of light. The image&amp;#039;s size, brightness, and color can be adjusted by changing the size of the aperture and the ambient light.&lt;br /&gt;
&lt;br /&gt;
==Applications==&lt;br /&gt;
&lt;br /&gt;
The camera obscura was a fundamental tool in the development of the [[Renaissance]] art. Artists such as [[Leonardo da Vinci]] and [[Vermeer]] are believed to have used the camera obscura to aid in their work. In the 19th century, the camera obscura was miniaturized and became widely used in photography.&lt;br /&gt;
&lt;br /&gt;
==Modern Usage==&lt;br /&gt;
&lt;br /&gt;
Today, the camera obscura is primarily used for educational purposes, particularly in demonstrating the principles of optics and light.&lt;br /&gt;
&lt;br /&gt;
==See Also==&lt;br /&gt;
* [[Photography]]&lt;br /&gt;
* [[Optics]]&lt;br /&gt;
* [[Pinhole camera]]&lt;br /&gt;
* [[History of photography]]&lt;br /&gt;
&lt;br /&gt;
[[Category:Optical devices]]&lt;br /&gt;
[[Category:History of photography]]&lt;br /&gt;
[[Category:Photography equipment]]&lt;br /&gt;
{{Optics-stub}}&lt;br /&gt;
{{Photography-stub}}&lt;/div&gt;</summary>
		<author><name>Prab</name></author>
	</entry>
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