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Image: Lens6b-en

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Description: An en:achromatic doublet, combining crown glass and en:flint glass.
Title: Lens6b-en
Credit: Transferred from en.wikipedia to Commons. SVG version of Image:lens6b.png
Author: Original uploaded by DrBob (Transfered by nbarth)
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0/
Attribution Required?: Yes

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