How To Choose Between Them
Compare the winners above against your own priorities. A lead in one category only matters if you use it.
Camera Comparison
OM System
OM System OM-3 vs OM System OM-1 Mark II
Short AnswerOM System OM-3 wins more of the spec-sheet categories, but the right pick depends on what you shoot.
By Jennifer K. Telfer · Updated · 1 Min Read
Camera A
OM System OM-3
- Launch Price
- $1,999
- Announced
- 2025-02
MirrorlessMicro Four Thirds20.4 MPMicro Four Thirds
VS
Camera B
OM System OM-1 Mark II
- Launch Price
- $2,400
- Announced
- 2024-01
MirrorlessMicro Four Thirds20.4 MPMicro Four Thirds
Winner By Photographic Discipline
ResolutionTie
Continuous ShootingTie
Image StabilizationOM System OM-1 Mark II
Autofocus PointsTie
Battery LifeOM System OM-3
WeightOM System OM-3
Launch PriceOM System OM-3
Key Technical Performance Deltas
Resolution (MP)
A20.4
B20.4
Electronic Burst (fps)
A120
B120
Stabilization (Stops)
A6.5
B8
Battery (Shots)
A590
B520
Weight (g, Lower Is Lighter)
A496
B599
AF Points
A1053
B1053
Form Factor
139.3 × 88.9 × 45.8 mm
138.8 × 91.6 × 72.7 mm
Reasons To Choose Each
Choose OM System OM-3 If…
- Higher battery life (590 shots vs 520 shots)
- Lighter body (496 g vs 599 g)
- Costs less at launch ($1999 vs $2399.99)
Choose OM System OM-1 Mark II If…
- Higher image stabilization (8 stops vs 6.5 stops)
Comprehensive Specification Table
| Spec | OM System OM-3 | OM System OM-1 Mark II |
|---|---|---|
| Sensor | ||
| Format | Micro Four Thirds | Micro Four Thirds |
| Megapixels | 20.4 MP | 20.4 MP |
| Sensor Type | Stacked BSI CMOS | Stacked BSI CMOS |
| Max Native ISO | 25600 | 25600 |
| Stabilization | 6.5 Stops | 8 Stops |
| Autofocus | ||
| AF Points | 1053 | 1053 |
| Low-Light AF | -5.5 EV | — |
| Speed | ||
| Mechanical Burst | 6 fps | 10 fps |
| Electronic Burst | 120 fps | 120 fps |
| Fastest Mechanical Shutter | 1/8000 | 1/8000 |
| Fastest Electronic Shutter | 1/32000 | 1/32000 |
| Viewfinder & Screen | ||
| Viewfinder | EVF | EVF |
| EVF Resolution | 2.36M | 5.76M |
| LCD Size | 3" | 3" |
| LCD Type | Vari-angle | Vari-angle |
| Video | ||
| Best Video | 4K 60p | 4K 60p |
| Internal Color | 10-bit 4:2:0 | 10-bit |
| Log Profile | OM-Log400 | OM-Log400 |
| Body | ||
| Weight | 496 g | 599 g |
| Card Slots | 1 | 2 |
| Battery (CIPA) | 590 Shots | 520 Shots |
| Weather Sealed | Yes | Yes |
| Launch Price | 1999 | 2399.99 |
Amber marks the stronger value. Figures are manufacturer specifications.