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hi guys

i want to know how to create diamond with dispertion effect.in maxwell, there's option called "ABBE".this has something to do with dispertion but i don't know what number i should put.
what happen if it increase number and what's the good number for diamond??
also diamond has 2.66 ior.where should i put this number??

does anyone have good example of diamond??

I used the diamond.ior file for this:

Not a popular suggestion, but if you read the manual regarding materials it will save you a lot of time in the end, instead of waiting for replies on the forum. You can search the pdf for abbe and how to use it. You write the ior value in the ND box. Also, more info about why it's called ND and how to approach the Maxwell material system: http://think.maxwellrender.com/how_to_c ... or-12.html