Best Budget APS-C Lens for Astrophotography - TTArtisan 10mm F2 vs Rokinon 12mm F2

APS-C lenses are known for being easy to travel with and comparatively inexpensive. But is it possible for a budget-friendly APS-C lens to also have impressive optical quality? The TTArtisan 10mm F2 sure seems to be making a run at it. Buy the TTArtisan 10mm F2: https://www.ttartisan.com/?aps-c-lens...