OM System OM-1 Mark II vs Sony A7 IV
Verdict: The OM System OM-1 Mark II leads with 8.5 EV stabilization and Live GND features per official specs while the Sony A7 IV counters with a 33MP full-frame sensor for better low-light results. The OM-1 Mark II scores higher overall due to its 2024 release and IP53 sealing versus the A7 IV's 2021 design. Choose the OM-1 Mark II for rugged outdoor use and the A7 IV for full-frame image quality.
Winner: OM System OM-1 Mark II
OM System OM-1 Mark II: 8/10
Sony A7 IV: 7.5/10
Spec-by-spec comparison
| OM System OM-1 Mark II | Sony A7 IV | |
|---|---|---|
| Sensor Type | 20MP Stacked BSI Live MOS | 33MP Full Frame Exmor R BSI CMOS |
| Processor | TruePic X | BIONZ XR |
| Image Stabilization | 5-axis IBIS up to 8.5 EV steps | 5-axis IBIS up to 5.5 EV steps |
| Weather Sealing | IP53 | Weather sealed |
| Weight | Approx. 497g (17.5 oz) | — |
| Dimensions | Approx. 125.5 x 85.9 x 69.9mm (4.95 x 3.38 x 2.75 in) | — |
OM System OM-1 Mark II
What works
- 8.5 EV steps in-body stabilization for handheld shooting
- Computational features including Live GND
- Current model with latest processor
What doesn't
- Micro Four Thirds sensor limits low-light performance vs full-frame
- MSRP of $2399 is premium for the format
Sony A7 IV
What works
- Full-frame 33MP sensor for superior low light and dynamic range
- Excellent hybrid autofocus and video features
- Established ecosystem with wide lens selection
What doesn't
- Older 2021 design with less advanced stabilization
- No computational photography tools like Live GND
Bottom line
Our pick: OM System OM-1 Mark II.
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