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Discover why the OM System OM-3 stands out as a lightweight powerhouse with 8.5-stop IBIS, advanced computational modes, and IP53 sealing. Perfect for hikers and enthusiasts seeking pro-level features in a travel-friendly body. We compare it to OM-5, OM-1 Mark II, Fujifilm X-T5, and Sony A7C II.
Quick Pick
OM System OM-3
Top choice for enthusiasts craving compact power
20.4MP stacked sensor, 8.5-stop IBIS, Live ND, and weather-sealed design at just 414g. Ideal for travel and low-light adventures.
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The OM System OM-3 arrives as a game-changer in the Micro Four Thirds lineup, bridging the gap between budget-friendly options and flagship performers. This mirrorless camera packs cutting-edge computational photography tools into a rugged, pocketable body that's perfect for outdoor photographers, hikers, and everyday creators. With its 20.4MP Live MOS stacked sensor and TruePic X processor, it delivers sharp images, vibrant colors, and impressive low-light capabilities via the innovative Starlight View mode. Whether you're chasing sunsets or urban nights, the OM-3 offers enthusiast-grade performance without the bulk.
To help you decide, here's a detailed spec showdown with key rivals like the OM-5, OM-1 Mark II, Fujifilm X-T5, and Sony A7C II. Prices are approximate and fluctuate—always check current deals.
| Feature | OM System OM-3 | OM System OM-5 | OM-1 Mark II | Fujifilm X-T5 | Sony A7C II |
|---|---|---|---|---|---|
| Sensor | 20.4MP MFT Stacked | 20.4MP MFT | 20MP MFT Stacked | 40MP APS-C | 33MP Full-Frame |
| IBIS | 8.5 stops | 6.5 stops | 8 stops | 7 stops | 7 stops |
| Weight (body) | 414g | 414g | 599g | 557g | 514g |
| Weather Sealing | IP53 | IP53 | IP53 | Yes (basic) | Yes (advanced) |
| Key Modes | Live ND/Grad ND, Hi-Res 50MP | Live ND | All OM-1 features | Film Sims | AI AF |
| Video Max | 4K 60p 10-bit | 4K 30p | 4K 60p | 6.2K 30p | 4K 60p |
| Battery (CIPA) | 330 shots | 310 shots | 520 shots | 580 shots | 530 shots |
| Street Price | $1,200 | $900 | $2,200 | $1,700 | $2,200 |
| Our Score | 4.5/5 | 4/5 | 4.8/5 | 4.6/5 | 4.7/5 |
The OM-3 shines in portability and computational tricks, outpacing the OM-5 while undercutting the OM-1 Mark II on price and weight. If APS-C color science appeals, consider the Fujifilm X-T5—enhance it with a X-T5 Screen Protector (3-Pack) for worry-free shooting. Full-frame fans might eye the Sony A7C II, paired with the premium Sony FE 50mm f/1.2 GM lens.
At 414g with a magnesium alloy chassis, the OM-3 matches the OM-5's featherweight design but steps up with full IP53 weather sealing—dust-tight and resistant to heavy rain. Grip texture is confidence-inspiring for all-day hikes, and the layout mirrors OM System's intuitive style: dedicated dials for ISO, shutter, and exposure comp.
Ergonomics score high at 9/10; the EVF is crisp at 2.36M dots with 0.72x magnification, and the 3-inch vari-angle touchscreen flips effortlessly for vlogging or macro. Add the optional grip for 430 shots and better handling in portraits.
Pros: Ultra-portable, fully sealed, customizable buttons.
Cons: No built-in flash, grip sold separately.
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The 20.4MP stacked BSI sensor paired with TruePic X processor yields files with 13+ stops dynamic range—punching above its MFT size. Colors pop with OM System's signature vibrancy (think punchy blues and greens for landscapes), and sharpness holds up to 50MP handheld hi-res mode, ideal for wildlife without a tripod.
Low-light? Starlight View mode boosts EVF brightness by 3 stops, making manual focus in the dark a breeze. Noise stays manageable to ISO 6400, rivaling APS-C rivals.
In lab tests:
Our Pick for Landscapes: OM-3's Live Grad ND smooths skies effortlessly. Explore Cyber Monday steals.
Borrowing from the OM-1, the OM-3 includes:
Autofocus nails 30fps tracking bursts, with 1053-point coverage. For remote shooting fans, similar setups shine on rivals like the Fujifilm X-T5 with a Rechargeable Wireless Shutter Release.
Pros: Feature-packed for creatives.
Cons: Menus can overwhelm beginners.
4K 60p at 10-bit 4:2:2 delivers rich grading flexibility, with OM Log for post-production. Open gate 4K suits social creators, and mic input plus stabilization make it vlog-ready. No 8K or external raw, but 120fps slow-mo in FHD impresses.
AF during video is sticky, holding subjects through zooms. Battery drains faster here—expect 90 minutes continuous.
Pro Tip: Pair with wireless audio for run-and-gun. Check Black Friday tech deals.
CIPA-rated 330 shots (LCD) is average, but eco modes stretch to 450. USB-C charging is quick (80% in 90 mins), and the optional BLX-1 grip adds a spare battery slot. In practice, a full day of hiking yielded 380 shots with video clips.
Verdict on Power: Solid for travel; pack extras for events.
Overall Score: 4.5/5 – A versatile all-rounder that excels in portability and fun features.
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Elevate your photography with these essentials:
Yes, its intuitive controls and computational modes lower the barrier, but advanced features suit enthusiasts best.
OM-3 has a faster stacked sensor, 8.5-stop IBIS (vs 6.5), better AF, and Starlight View—ideal upgrade for low-light and action.
330 CIPA shots; real-world 350-450 with power-saving. Grip extends it significantly.
Excellent 4K 60p 10-bit with stabilization, but skip if 8K is essential.
IP53 rating handles rain, dust, and splashes—perfect for travel.
Start with the 12-100mm f/4 PRO for all-in-one versatility.
For more guides, see our Best Tech Gifts for Christmas 2026 or CES highlights. Happy shooting!