I want to use anamorphic lens in a houdini.
Is there a way to compress it in a houdini?
I've looked for many ways, but it was hard to implement an anamorphic lens.

Is it best to make a letterbox and change the shape of the bokeh?

Karma lense shader could be a option.

https://www.reddit.com/r/Houdini/comments/12th6na/help_anamorphic_lens_effect_in_houdini_using_lens/ [www.reddit.com]

https://www.sidefx.com/docs/houdini/solaris/karma_lens_shader.html [www.sidefx.com]