Re: Incorrect Seidel aberration calculations in lens design codes

On Feb 22, 11:12 am, "James R \(Jim\) Lynch III"
<jrlyn...@xxxxxxxxxxx> wrote:
suspect most diamond point turning shops don't have their machines
programmed to handle the A2 term.

This has not been my experience. A couple of years ago we had a shop
turn (to micron accuracy) an usual aspheric lens that I designed with
not only had a 2nd order term but also odd orders .

Al
.