| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,761,372,485 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
Petzval surface |
Also found in: Encyclopedia | 0.02 sec. |
|
Petzval surface The imaginary curved surface upon which images would be formed if curvature of field were the only aberration present. It is the curved surface in which the tangential and sagittal image shells of a point-focal lens coincide. See oblique astigmatism; curvature of field; anastigmatic lens. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | |
|---|---|
|
| Medical Dictionary |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|