These are the best micro four thirds cameras for astrophotography, chosen for their ability to deliver clean high-ISO performance, precise night-focus tools, and robust long-exposure features in compact, weather-sealed bodies that won’t weigh you down on late-night hikes to dark-sky sites. At the top for all-around night shooting are the OM System OM-1 Mark II and OM-1, whose stacked sensors, excellent noise handling, and astrophotography-centric features—Starry Sky AF for reliable infinity focus, Live Time and Live Composite for monitoring exposures and building star trails in-camera, and powerful in-body stabilization for composing and scouting—make them standouts for Milky Way landscapes and night cityscapes alike; paired with sealed M.Zuiko PRO lenses, they shrug off frost, dew, and blowing dust. The Olympus E-M1 Mark III remains a terrific value for astro stills with the same Live Composite magic, excellent weather sealing, and a bright EVF with Live View Boost that preserves stars on screen for easier composition, while the lighter OM-5 brings most of those computational tools to a travel-friendly package that’s perfect when you’re hiking to a ridge before moonset. For shooters who prioritize pure high-ISO cleanliness over resolution, Panasonic’s GH5S is a nocturnal workhorse; its lower-pixel-count sensor and dual native ISO architecture yield unusually clean files from ISO 3200–12800, making pinpoint stars and faint dust lanes easier to tease out in post, and its responsive manual aids—magnified view, peaking, and rock-solid bulb control—keep setup smooth in the dark. The Panasonic G9 II adds modern AF, improved noise characteristics, and excellent ergonomics to a rugged, stabilized body that’s comfortable to operate with gloves, while the original G9 still offers great value for astro time-lapse and star-trail sequences thanks to strong batteries, interval shooting, and dependable weather sealing; Panasonic’s GH6, though more video-focused, brings robust thermal design that helps control hot pixels on very long exposures and delivers silky time-lapse 4K sequences when you want motion as well as stills. The lens ecosystem is a major reason micro four thirds shines for night work: ultra-wides like the Laowa 7.5mm f/2, Panasonic Leica 9mm f/1.7, and M.Zuiko 8mm f/1.8 Fisheye PRO give you fast apertures, minimal coma, and sweeping fields of view for Milky Way arches; classics like the M.Zuiko 12mm f/2, Panasonic Leica 12mm f/1.4, and Sigma 16mm f/1.4 DC DN are superb for foreground-plus-sky frames with crisp corner rendering; and tele options like the M.Zuiko 75mm f/1.8 or Sigma 56mm f/1.4 let you isolate constellations or compress moon-on-the-horizon scenes. Practical astro features across these bodies—intervalometers, silent shutters, long-exposure noise reduction, Live View Boost, focus magnification, and customizable buttons—make operating in darkness intuitive, while USB-power options help during all-night sessions. For best results, mount any of these cameras on a sturdy tripod, switch off IBIS when locked down, use manual focus with magnification on a bright star, start around f/1.4–f/2.0, 10–20 seconds, ISO 1600–6400 (adjust for your sky brightness), and consider stacking multiple short exposures or using a star tracker to reduce noise and extend exposure time without trailing; avoid tripod high-res modes for star fields since star movement will spoil the composite. Whether you’re chasing airglow over desert mesas, bioluminescence under a new moon, or crisp winter constellations, the best micro four thirds cameras for astrophotography combine clean night files, smart long-exposure tools, and a deep lineup of fast, lightweight lenses—delivering a portable, weather-ready system that turns dark skies into detailed, dramatic images.