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・ Topological graph
・ Topological graph theory
・ Topological group
・ Topological half-exact functor
・ Topological index
・ Topological indistinguishability
・ Topological insulator
・ Topological K-theory
・ Topological manifold
・ Topological map
・ Topological modular forms
・ Topological module
・ Topological monoid
・ Topog Peak
・ Topogenic sequence
Topogon
・ Topografov Island
・ Topografov virus
・ Topographia Galliae
・ Topographia Germaniae
・ Topographia Hibernica
・ Topographic Abney level
・ Topographic Atlas of Switzerland
・ Topographic isolation
・ Topographic map
・ Topographic map (neuroanatomy)
・ Topographic Map of Switzerland
・ Topographic profile
・ Topographic prominence
・ Topographic Relations of Philip II


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Topogon : ウィキペディア英語版
Topogon

Topogon is a wide field (originally 100 degrees field of view), symmetrical photographic lens designed by Robert Richter in 1934 for Zeiss Carl FA.〔http://ip.com/patent/US2031792〕 Lenses produced under the name Metrogon also cite the US patent of the Topogon design.
Topogon lenses have been produced in f numbers ranging from f/3.5 to f/15 in various focal lengths.〔http://www.marcocavina.com/articoli_fotografici/Hypergon_Topogon_Biogon_Hologon/00_pag.htm〕
== External links ==

*(HYPERGON - TOPOGON - RUSSAR - BIOGON - AVIOGON - HOLOGON: LA STORIA DEFINITIVA DEI SUPER-GRANDANGOLARI SIMMETRICI )

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Topogon」の詳細全文を読む



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