Harry,
I'm realy happy to hear that you may help me... but in the same way i don't understand why you speak about polar coordonate...
is there a direct link between the back vertex power and the...
Type: Posts; User: F.Bourreau; Keyword(s):
Harry,
I'm realy happy to hear that you may help me... but in the same way i don't understand why you speak about polar coordonate...
is there a direct link between the back vertex power and the...
Does anybody know a way (software, formula...) to convert such a lens descrition:
- an xyz file for the back side (the one used by a freeform generator for exemble)
- a radius for the front side
-...
Did you heard about "NIMO", a new generation of Mapper from Lambda-X company (Belgum)? http://www.lambda-x.com/Default.asp?SHORTCUT=30
it is a realy usefull instrument
1- for everybody who use...
We make 2500 jobs a day and fortunately we have a database of trace..... but some suppliers of frame are not really stable on a same reference of frame.... There is no choice to trace some frames...
thank you darryl
i baught a good publication on the subject (which give some samples of coefficient) and i am now ready to make some tests (i already have the free form technology)
but i still...
Unfortunately we can discuss a long time on the subject 'how long is the pay-back of generating aspherical lenses' but this is not my question... i just want to understand what is a SV aspherical...
I can guarenty that it would be an helpfull information because i want to produce aspherical lenses from spherical blanks wich are realy cheaper.... if it is "just" a formula I just have to put in in...
Hello,
how can i get this artical.... i try to click on the link but .....
Fred
Thanks all of you for your answer but i have to be more precise in my question
What are the parameters to calculated the design of an Aspheric Single Vision lense?
is there a mathematic...
Hello,
who could give me scientific explanations of what is an aspheric /atoric surface???
Is it like a progressive surface a deal between aberation and esthetic?
or is it exact science with...