Difference between revisions of "Fresnel Lens"
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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). | 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). | ||
[[Image:Ch2_Fig10.jpg|400px | [[Image:Ch2_Fig10.jpg|400px]] | ||
Revision as of 12:00, 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)
