OM System OM-1 Mark II vs Canon EOS R7
Canon EOS R7 has the edge on paper, but the right choice depends on what you shoot. The OM-1 Mark II is the better pick for landscapes, wildlife, sports, vlogging; the EOS R7 is better for astrophotography.
Choose the OM-1 Mark II for
- faster bursts (120fps vs 30fps)
- faster sensor readout (≈4ms vs ≈65ms)
- a lighter body (599g vs 612g)
- a newer design (2024)
Choose the EOS R7 for
- more resolution (32.5MP vs 20MP)
- better low-light performance
- a lower price (from £664)
- a larger aps-c sensor
- more lenses in our database (36 vs 22)
Specs side by side
| Spec | OM-1 Mark II | EOS R7 |
|---|---|---|
| Sensor | Micro Four Thirds, 20MP | APS-C, 32.5MP |
| Mount | Micro Four Thirds | Canon RF-S (APS-C) |
| Released | 2024 | 2022 |
| Burst | 120 fps | 30 fps |
| Readout | ≈4 ms | ≈65 ms |
| Max ISO | 25,600 | 32,000 |
| Stabilisation | In-body | In-body |
| Video | 4K 60p | 4K 60p |
| Weather sealed | Yes | Yes |
| Viewfinder | Electronic | Electronic |
| Weight | 599 g | 612 g |
| Battery | OM System BLX-1 | Canon LP-E6NH |
| Card slots | 2× SD (UHS-II) | 2× SD (UHS-II) |
| New price | £2,049 | £1,049 |
| Used at MPB | £1,239–1,539 | £664–949 |
| Native lenses in our database | 22 (8 third-party) | 36 (14 third-party) |
Which is better for…
| Use | Better choice |
|---|---|
| Beginner-friendly | About equal |
| Everyday & travel | About equal |
| Portraits | About equal |
| Landscape | OM-1 Mark II |
| Wildlife & animals | OM-1 Mark II |
| Sports & action | OM-1 Mark II |
| Astrophotography | EOS R7 |
| Vlogging & video | OM-1 Mark II |
| Vintage / film look | About equal |
Based on the specs that matter most for each type of photography: burst and readout for action, resolution for landscapes, sensor size and low light for portraits and astro, video and weight for vlogging.
Lenses and running costs
The OM-1 Mark II uses Micro Four Thirds (22 lenses in our database, 8 third-party) and the EOS R7 uses Canon RF / RF-S (36 lenses, 14 third-party). Batteries: OM System BLX-1 (about £79) vs Canon LP-E6NH.
OM-1 Mark II compatible lenses → · EOS R7 compatible lenses → ·
Frequently asked questions
Is the OM System OM-1 Mark II better than the Canon EOS R7?
It depends on your priorities. The OM-1 Mark II offers faster bursts (120fps vs 30fps), faster sensor readout (≈4ms vs ≈65ms), a lighter body (599g vs 612g); the EOS R7 offers more resolution (32.5MP vs 20MP), better low-light performance, a lower price (from £664).
Which is better for video, the OM-1 Mark II or the EOS R7?
They are closely matched for video (4K 60p vs 4K 60p); stabilisation and lens choice will decide it.
Which is cheaper, the OM-1 Mark II or the EOS R7?
The OM-1 Mark II costs £2,049 new and from £1,239 used at MPB; the EOS R7 costs £1,049 new and from £664 used (checked 5 November 2026).
Can I use OM System OM-1 Mark II lenses on the EOS R7?
Not directly. The OM-1 Mark II uses Micro Four Thirds and the EOS R7 uses Canon RF / RF-S; switching usually means new lenses or an adapter where one exists.