Unboxing and Setup: Snugly Packed, Bursting With ExtrasElegoo ships the Saturn 4 Ultra 16K with the kind of protective overkill you appreciate in a resin machine. (Credit: Michael Lydick)Powering on the Saturn 4 Ultra 16K triggers a brief but confidence-boosting diagnostic routine. (Credit: Elegoo/PCMag)Chitubox, meanwhile, immediately recognized the Saturn 4 Ultra 16K and even rendered the build plate’s auto-leveling posts accurately in its interface. The Saturn Ultra 16K uses a chip-on-board (COB) UV light engine with a Fresnel collimating lens, a clear step up from the older matrix-style LED arrays. And at the 0.050mm slicer setting and 1.8-second exposure time, the Saturn 4 Ultra 16K yielded a perfect rendition of Batwoman...(Credit: Michael Lydick)