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Angénieux retrofocus

The Angénieux retrofocus photographic lens is a wide-angle lens design that uses an inverted telephoto configuration. The popularity of this lens design made the name retrofocus synonymous with this type of lens. The Angénieux retrofocus for still cameras was introduced in France in 1950 by Pierre Angénieux.

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Key facts & relationships

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Author
Pierre Angénieux (1950)
Construction
6 elements in 5 groups
Introduced in
1950 (stills)

Topics to explore

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Overview

Inverted telephoto concept

Implementation

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Map overview Semantic statistics

Angénieux retrofocus

Nodes38
Edges37
Triples4
Avg. degree1.95
Density0.052632
Components1

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Angénieux retrofocus

Top relations

Aperture · 1
Angénieux retrofocus → .mw-parser-output span.fnumber,.mw-parser-output .fnumber-fallback{display:inline-block;white-space:nowrap;width:max-content}.mw-parser-output span.fnumber::first-letter,.mw-par…
Author · 1
Angénieux retrofocus → Pierre Angénieux (1950)
Construction · 1
Angénieux retrofocus → 6 elements in 5 groups
Introduced in · 1
Angénieux retrofocus → 1950 (stills)

Important terminology Word statistics

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Important terminology

telephoto lens inverted retrofocus design negative lenses angénieux wide-angle 1950 focal first element mm distance length patent meniscus zeiss original

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Angénieux retrofocusAperture.mw-parser-output span.fnumber,.mw-parser-output .fnumber-fallback{display:inline-block;white-space:nowrap;width:max-content}.mw-parser-output span.fnumber::first-letter,.mw-par…1.00infobox
Angénieux retrofocusAuthorPierre Angénieux (1950)1.00infobox
Angénieux retrofocusConstruction6 elements in 5 groups1.00infobox
Angénieux retrofocusIntroduced in1950 (stills)1.00infobox

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    Min side: 3
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    Researching Angénieux retrofocus? Use this map to explore Implementation, Inverted telephoto concept & Overview and other closely related topics, then follow useful entities and relationships into deeper research. Automatically generated connections are research leads, so verify important facts in reliable sources.