Hello,
I am using the formula V = V1 + V2 − V1.V2.e / N to calculate V2.
But I read some posts in your forum and I found that I have to apply back compensation. Since I did it, my calculations...
Type: Posts; User: aurel; Keyword(s):
Hello,
I am using the formula V = V1 + V2 − V1.V2.e / N to calculate V2.
But I read some posts in your forum and I found that I have to apply back compensation. Since I did it, my calculations...
Hi,
I would like to be able to calculate the GBASEX as well as GCROSX in TIND for any kind of FRNT base.
I used the calculation for thick lenses in order to compensate thickness but the radius...