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English: For an achromatic doublet, visible wavelengths have approximately the same focal length
Français : Avec un doublet achromatique, les différentes longueurs d'onde du spectre visible ont a peu près la même distance focale
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28 May 2010

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Date/TimeThumbnailDimensionsUserComment
current06:49, 2 July 2018Thumbnail for version as of 06:49, 2 July 2018400 × 250 (1 KB)GlrxReverted to version as of 08:52, 15 April 2018 (UTC); MediaWiki defaults to "en"!
06:44, 2 July 2018Thumbnail for version as of 06:44, 2 July 2018512 × 320 (3 KB)Glrxswitch translations
08:52, 15 April 2018Thumbnail for version as of 08:52, 15 April 2018400 × 250 (1 KB)SarangThis is an example to develop the different language versions; this version not yet with "text switch"
11:27, 28 May 2010Thumbnail for version as of 11:27, 28 May 2010415 × 250 (45 KB)Eric Bajart{{Information |Description={{en|1=For an achromatic doublet, visible wavelengths have approximately the same focal length}} {{fr|1=Avec une lentille achromatique, les différentes longueurs d'onde du spectre visible ont a peu près la même distance focal
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