No, I don’t think you can do that. The Cheen shader produces anisotropy using fake microbump oversampling which without adjustments will result in blurriness the closer you get. I think in your case you’d be having better luck with a layered material – you’d still ahve to animate the opacity ov various bump layers over the course of you zoom, but you can fully control it and the base material won’t change its behavior.
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