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I'd like to set a field angle in object space,e.g., 10 deg. 
After Binary 1, the rays would be 0 deg. 
What merit function can we apply for this work?

Best wishes, 

CM tsai

Hi Cheng-Mu, two settings you will need:

  1. Set to 'Afocal image space' in the Aperture setting in the System Explorer
  2. Open the Optimization Wizard, set the Optimization Function to 'Angular'. The wizard will auto-generate the merit functions you will need.

I hope this helps.

-Kats