if i can use bending of a caustic point as an example....

The motion of a caustic point for an axial object point is studied while the lens is perturbed by a generalized bending. It is shown that, to third order, the direction of motion is constant. The magnitude of the motion is proportional to the change in the third-order aberration coefficient. An application to the optical design process is indicated.

there you have it. Clear as mud. Hope this helps

Posted By: Pixelman on March 4th 2010 at 12:10:53

Message Thread

Need some Wrath help please !! (General Chat) - Cannydc, Mar 4, 11:36:42
- if i can use bending of a caustic point as an example.... (General Chat) - Pixelman, Mar 4, 12:10:53
  - Yeah, cheers mate !! (no idea !!) (General Chat) - Cannydc, Mar 4, 12:23:49
    - no my dear. Moved on. And then back. Then on again. Then on again.... (General Chat) - Pixelman, Mar 4, 12:59:17
- It's when XXL16 goes into a restaurant and has already had 2 helpings (n/m) (General Chat) - yarmyyarmy, Mar 4, 12:03:39
  - That's 3rd Order Buffet Assumption. (General Chat) - Arizona Bay, Mar 4, 12:09:45
    - No, that's a 3rd Order Consumption (n/m) (General Chat) - Steve in Holland, Mar 4, 12:14:58
- Aha! A 3rd order assumption, not to be confused with a 3rd order approximation relates to (General Chat) - jafski, Mar 4, 12:00:32
- It's what happens when you make an "ass" out of "u" and "me" three times. (n/m) (General Chat) - Arizona Bay, Mar 4, 11:52:19
  - Hmmm. And a third order assumption is the great-grandmother of all fuck-ups ? (n/m) (General Chat) - Steve in Holland, Mar 4, 11:56:15
- Google "third order assumption". You get more hits, although seems to be (General Chat) - Steve in Holland, Mar 4, 11:43:15
- not 3rd order approximation? (General Chat) - SCC 28, Mar 4, 11:41:34
  - Many thanks, that could be it (General Chat) - Cannydc, Mar 4, 12:25:30
- I'd assume it's what one would assume is an assumption (n/m) (General Chat) - Steve in Holland, Mar 4, 11:39:39

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