These are the best micro four thirds cameras for wedding photography, chosen for their speed, dependable autofocus, low-light resilience, and professional reliability across a full wedding day from getting-ready candids to sparkler exits in the rain. The OM System OM-1 Mark II and OM-1 lead for hybrid stills shooters thanks to stacked sensors, excellent subject-detection face/eye AF, deep buffers, and class-leading in-body stabilization that steadies handheld portraits and detail shots in dim suites; weather sealing, long battery life, dual card slots, anti-flicker shooting for tricky LED venues, and a truly silent electronic shutter keep you discreet during vows and speeches without missing a beat. The Olympus E-M1 Mark III remains a superb value with sticky continuous AF, robust sealing, and intuitive controls that make fast transitions from aisle processional to confetti toss effortless, while the lighter OM-5 brings much of that DNA to a compact, travel-friendly body that still shrugs off drizzle and dance-floor haze. On the Panasonic side, the G9 II adds modern phase-detect AF, excellent ergonomics, and strong IBIS in a rugged shell ideal for ceremony aisles and first looks; the original G9 continues to impress for stills with a bright EVF, fast handling, and reliable batteries that power through marathon timelines. If your coverage leans heavily into video, the GH6 and GH5 II deliver robust codecs, long record times, and thermal design that keeps rolling through full-length ceremonies and toasts, while still producing crisp, clean stills for album spreads. The MFT lens ecosystem is a wedding gift in itself: versatile zooms like the M.Zuiko 12-40mm f/2.8 PRO II or Panasonic 12-35mm f/2.8 live on the main body for prep, processional, and reception coverage; pair them with fast portrait primes like the M.Zuiko 25mm f/1.2 PRO, 45mm f/1.2 PRO, Sigma 56mm f/1.4, or the classic 75mm f/1.8 to deliver flattering skin tones and creamy backgrounds during golden-hour couples’ sessions; add tele reach with the M.Zuiko 40-150mm f/2.8 PRO for ceremonies where you must stay unobtrusive, or the Panasonic Leica 50-200mm f/2.8-4 for lightweight flexibility; keep a tiny Panasonic 20mm f/1.7 or M.Zuiko 17mm f/1.8 in your pocket for tight bridal suites and crowded dance floors; and when you need one-lens convenience, the M.Zuiko 12-100mm f/4 PRO covers the day with sharpness, stabilization sync, and weather sealing that thrives in any forecast. Practical wedding settings seal the deal: use face/eye AF in C-AF with a small zone for processional tracking, enable anti-flicker under LED house lights, favor mechanical shutter for banding-prone venues and silent shutter for ceremonies, set Auto ISO with a shutter floor around 1/250 for movement and drop to 1/125-1/160 with IBIS for slow-dance ambiance, map back-button AF to avoid refocus during ring shots, and rely on dual slots for instant backup so every once-in-a-lifetime moment is redundant in-camera. Because micro four thirds bodies and lenses are lighter than larger-sensor kits, you’ll move faster between rooms, carry two bodies comfortably (wide on one, portrait/tele on the other), and maintain fresh shoulders through the reception—delivering consistent, elegant imagery from the quietest vows to the wildest last dance, with gear that’s nimble, reliable, and purpose-built for the pace and pressure of wedding days.