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Mir (lens)
Mir ((ロシア語:Мир)) is a Soviet wide-angle prime lens series with focal lengths varying from 12 to 65 mm with 5-7 elements. The first variant was the ''Mir-1'' and won the Grand Prix at Expo '58 in Brussels. Its construction was derived from the Flektogon lens by Carl Zeiss. The first element in this lens is in fact a disperser meniscus to reduce vignette effects when photographing with an open diaphragm. == External links ==
* (Flektogon )
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「Mir (lens)」の詳細全文を読む
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