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If I have a broadband sequential imaging lens design with 100mm aperture but one wavelength only is delivered via a beam-splitter of smaller diameter (~40mm) placed in front of the lens,  how do I set this up to optimise without actually having to include the beam-splitter in front?  Can I put some kind of zero thickness mask in front which retricts the diameter of the one wavelength only but is invisible to the rest?

I’d use the multi-config editor to soon wavelength weights and aperture


Thanks Mark,

I was wondering if the MCE was the way to go, so now encouraged by your reply.

One thing though, I think there is a typo there: ‘… editor to soon wavelength weights ...’.  Trying to work out what it should be.


Sorry! Zoom is the word. In the MCE, zoom the weights of the wavelengths.


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