Difference between revisions of "Fresnel Lens"
Jump to navigation
Jump to search
m (1 revision) |
|
(No difference)
| |
Revision as of 01:00, 25 February 2009
2-2-140
A prismatic lens obtained by the rotation of a Fresnel profile about the optical axis of the lens (Fresnel Panel), or about a vertical axis (Fresnel Drum Lens).
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
[[Category:2.2 Optical Apparatus]