65 mm IMAX film scan from ARRI Alexa 65 with Signature Prime 50 mm: [Ursine queen-deity emerges from crystalline ice cave beneath undulating aurora], [emerald-violet curtains of light ripple across sky, reflecting on silver armor and icy fur], creating [cinematic lens flares and gentle snowfall bokeh]. Wide-angle, slow shutter 1/2 s for aurora trails, ISO 800.