Philip Greenspun illustration project/Round 1/Request list/18

Philip Greenspun illustration project
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Round 1
Request list

• JIRA: https://jira.toolserver.org/browse/PGIP-44
• US$15

(en) Apochromatic lens

• http://en.wikipedia.org/wiki/Apochromat
• Examples: http://commons.wikimedia.org/wiki/Image:Achromat_doublet_en.svg may be a useful starting point. Also http://starizona.com/acb/ccd/equipbasicsref.aspx
• tags: optics, simple