Canon’s new 600mm and 800mm lenses

Started 3 months ago | Discussions thread
AiryDiscus Senior Member • Posts: 2,138
Re: DoF of Canon’s new 600mm and 800mm lenses

Dibyendu Majumdar wrote:

I tried using it a while back - it failed to run at the time:

I haven't tried since.

Like all ray tracing opensource products the documentation is poor, but that's understandable in this case as it is still under development.

A more complete and working opensource package is

Unfortunately the author is not developing it any further it seems.

My comment is simply to say that Mike all but certainly knows more about making a raytracer than anyone else that's released an open source one.  LightTools is a Goliath among commercial raytracers with a long heritage and revered stability.  It's listed first in the design competition submission formats for a reason.

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