Difference between revisions of "Fresnel Profile"
Jump to navigation
Jump to search
m (1 revision) |
m (1 revision) |
||
| Line 18: | Line 18: | ||
{{languages|Fresnel Profile}} | {{languages|Fresnel Profile}} | ||
[[Category:2.2 Optical Apparatus] | [[Category:2.2 Optical Apparatus]] | ||
[[Category:Alphabetical Index]] | [[Category:Alphabetical Index]] | ||
[[Category:IALA Dictionary 1970-89 Edition]] | [[Category:IALA Dictionary 1970-89 Edition]] | ||
Revision as of 00:05, 25 February 2009
2-2-135
Fresnel Profile (of a lens or fixed lens)
A stepped profile of both dioptric and catadioptric elements, the dioptric part of which presents one straight side towards the focus.
(Figs. 10, 14 and 16)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
