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for different wavelengths, the Clarks "found these meniscus components difficult to make disagreed that they gave a more complete achromatism and better definition". The telescope is now held by the
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Alvan G. Clark, the son of the founder of the eponymous
American optical company, designed a photographic lens using a symmetric arrangement of two Gauss lenses and patented it in 1888;
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of the Taylor, Taylor and Hobson
Company completed the evolution by introducing asymmetry to the Double-Gauss design with the 1920
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on the object side and a negative meniscus lens on the image side. It was first proposed in 1817 by the mathematician
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as an improved Double-Gauss using cemented doublets in the place of the inner negative meniscus elements, and
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have dominated the design of high-speed (large aperture) photographic lenses since then.
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in 1877 using a Gauss lens; although Gauss had designed the optics to eliminate
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of the positive element predominates, but the negative element corrects for
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design, but was seldom implemented and is better known as the basis for the
400:, Alvan G. Clark, "Photographic Lens", published March 12, 1889
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Lenses in
Photography: The Practical Guide to Optics for Photographers
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315:. Garden City, New York: Garden City Books. pp. 119–136.
369:(Second ed.). Richmond, Virginia: Willmann-Bell, Inc.
223:, while the negative element facing the image is made of
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363:Warner, Deborah Jean; Ariail, Robert B. (1995).
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366:Alvan Clark & Sons: Artists in Optics
342:. San Diego, California: Academic Press.
109:Learn how and when to remove this message
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307:"VII: Types of Photographic Objectives"
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245: in (240 mm) telescope for
183:; in its most basic form, a positive
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47:adding citations to reliable sources
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255:National Museum of American History
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339:A History of the Photographic Lens
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199:first proposed in 1888 by
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451:-related article is a
229:Alvan Clark & Sons
162:2 elements in 2 groups
281:. Derivatives of the
251:spherical aberration
247:Princeton University
217:chromatic aberration
193:refracting telescope
189:Carl Friedrich Gauss
153:Carl Friedrich Gauss
43:improve this article
398:US grant 399499
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275:Horace William Lee
201:Alvan Graham Clark
136:Introduced in
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303:Kingslake, Rudolf
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380:. Retrieved
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58:"Gauss lens"
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41:Please help
36:verification
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16:Type of lens
225:flint glass
221:crown glass
143: 1817
496:Categories
289:References
170:Gauss lens
122:Gauss lens
99:March 2023
69:newspapers
425:Photonics
382:15 March
336:(1989).
305:(1951).
231:built a
181:elements
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