OM System OM-1 Mark II
OM System OM-3
VS
Canon EOS R8 Mark II vs OM System OM-3
Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score
Verdict
Key takeaways
- OM System OM-3 leads Canon EOS R8 Mark II overall by 21 points (71 vs 50 out of 100).
- Key differences: sensor size, where Canon EOS R8 Mark II has Full Frame vs Micro Four Thirds; burst speed (electronic), where OM System OM-3 has 120 vs 40 fps; max video frame rate, where OM System OM-3 has 240 vs 180 fps; ISO max, where Canon EOS R8 Mark II has 102,400 vs 25,600; battery life (CIPA shots), where OM System OM-3 has 590 vs 340.
OM System OM-3 leads overall
OM System OM-3 · 64 overall, #22 of 39
71
Canon EOS R8 Mark II · 66 overall, #20 of 39
50
Key differences
- Sensor SizeCanon EOS R8 Mark II Full Frame vs Micro Four Thirds
- Burst SpeedOM System OM-3 120 vs 40 fps
- Max Video Frame RateOM System OM-3 240 vs 180 fps
- ISO MaxCanon EOS R8 Mark II 102,400 vs 25,600
- Battery LifeOM System OM-3 590 vs 340
Scores by Category
OM-3 wins 6 of 7 categories · EOS R8 Mark II wins 1
| Category | EOS R8 Mark IIOM-3 | Lead |
|---|---|---|
| Sensor | +28 | |
| Autofocus | +100 | |
| Video | +12 | |
| Performance | +79 | |
| Connectivity & Storage | +65 | |
| Physical & Battery | +38 | |
| Display & Viewfinder | +13 |
Physical Comparison
EOS R8 Mark IIOM-3
EOS R8 Mark II is 50 g (10%) heavier than OM-3.
Value for Money
Launch prices — enter today's prices (same currency for both).
EOS R8 Mark II
Watch-outs
Compromises to know before you buy
Canon EOS R8 Mark II
No notable compromises found.
OM System OM-3
- Single card slot — no instant backup for paid work.
Detailed Specifications
Sensor
| Feature | EOS R8 Mark II | OM-3 |
|---|---|---|
Sensor Size | ||
Megapixels | 24.2 MP19% more | 20.4 MP |
Image Stabilization (IBIS) | Yes | Yes |
ISO Max | 102,400300% more | 25,600 |
Autofocus
| Feature | EOS R8 Mark II | OM-3 |
|---|---|---|
AF Points | N/A | 1,053 |
Video
| Feature | EOS R8 Mark II | OM-3 |
|---|---|---|
Max Video Resolution | 3840 × 2160 px | 4096 × 2160 px |
Max Video Frame Rate | 180 fps | 240 fps33% more |
Video Bit Depth | 10 | 10 |
Performance
| Feature | EOS R8 Mark II | OM-3 |
|---|---|---|
Burst Speed (mechanical) | N/A | 6 fps |
Burst Speed (electronic) | 40 fps | 120 fps200% more |
Display & Viewfinder
| Feature | EOS R8 Mark II | OM-3 |
|---|---|---|
LCD Size | 3 in | 3 in |
LCD Resolution | 1,620,000 | 1,620,000 |
Viewfinder Resolution | 2,360,000 | 2,360,000 |
Connectivity & Storage
| Feature | EOS R8 Mark II | OM-3 |
|---|---|---|
Dual Card Slots | N/A | No |
Weather Sealing | N/A | Yes |
Physical & Battery
| Feature | EOS R8 Mark II | OM-3 |
|---|---|---|
Weight | 546 g | 496 g9% less |
Battery Life (CIPA shots) | 340 | 59074% more |
Dimensions | 13.14 × 9.00 × 7.97 cm | 13.93 × 8.89 × 4.58 cm |
Specification Note
Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.
Review Videos
Which would you buy?
Cast your voteOther Popular Comparisons
Canon EOS R6 V
Canon EOS R8 Mark II
VS
Canon EOS R6 Mark III
Canon EOS R8 Mark II
VS
Canon EOS R5 Mark II
Canon EOS R8 Mark II
VS
Canon EOS R5
Canon EOS R8 Mark II
VS
Canon EOS R3
Canon EOS R8 Mark II
VS
Canon EOS R6 Mark II
Canon EOS R8 Mark II
VS
Canon EOS R8
Canon EOS R8 Mark II
VS
Canon EOS R50 V
Canon EOS R8 Mark II
VS
Canon EOS R6 V
OM System OM-3
VS
Canon EOS R6 Mark III
OM System OM-3
VS
Canon EOS R5 Mark II
OM System OM-3
VS