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| Spec | OM-1 Mark II | YI M1 |
|---|---|---|
| Year | 2024 | 2016 |
| Form Factor | SLR-style | Compact |
| MP | 20.4 | 20 |
| Sensor | Stacked BSI | Live MOS |
| IBIS | ✓ | ✗ |
| IBIS Stops | 8.5 | — |
| Max ISO | 102400 | 25600 |
| EVF | ✓ | ✗ |
| EVF Dots | 5760k | — |
| LCD | 3.0 in | 3.0 in |
| LCD Dots | 1620k | 720k |
| LCD Type | Free-angle | Fixed |
| Touch | ✓ | ✓ |
| Max Video | 4K/60p | 4K |
| Video FPS | 60p | 30p |
| Bit Depth | 10-bit | 8-bit |
| Bitrate Mbps | 202 | 100 |
| Codec | H.264 / H.265 | H.264 |
| Rec Limit | Unlimited | 29 min |
| Burst fps | 120 | 5 |
| AF Type | Hybrid PDAF | Contrast |
| AF Points | 1053 | 81 |
| Cards | 2 | 1 |
| Card Type | SD (UHS-II) | SD |
| Mic Jack | ✓ | ✗ |
| Headphone | ✓ | ✗ |
| USB | USB-C | Micro-USB |
| HDMI | Micro-HDMI | — |
| Wi-Fi | ✓ | ✓ |
| BT | ✓ | ✓ |
| GPS | ✓ | ✗ |
| Weather | ✓ | ✗ |
| LUT | ✗ | ✗ |
| Log | ✓ | ✗ |
| Flash | ✗ | ✗ |
| Hot Shoe | ✓ | ✗ |
| Battery | BLX-1 | BXM-10 |
| Batt Life | 520 | 280 |
| Weight g | 511 | 280 |