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| Spec | OM-D E-M10 IV | E1 |
|---|---|---|
| Year | 2020 | 2015 |
| Form Factor | SLR-style | Box |
| MP | 20.3 | 16 |
| Sensor | Live MOS | CMOS |
| IBIS | ✓ | ✗ |
| IBIS Stops | 4.5 | — |
| Max ISO | 25600 | 25600 |
| EVF | ✓ | ✗ |
| EVF Dots | 2360k | — |
| LCD | 3.0 in | N/A |
| LCD Dots | 1037k | — |
| LCD Type | Tilting | N/A |
| Touch | ✓ | ✗ |
| Max Video | 4K | 4K |
| Video FPS | 30p | 30p |
| Bit Depth | 8-bit | 8-bit |
| Bitrate Mbps | 102 | 60 |
| Codec | H.264 | H.264 |
| Rec Limit | 29 min | 29 min |
| Burst fps | 15 | — |
| AF Type | Contrast | Contrast |
| AF Points | 121 | — |
| Cards | 1 | 1 |
| Card Type | SD | microSD |
| Mic Jack | ✗ | ✓ |
| Headphone | ✗ | ✗ |
| USB | Micro-USB | Micro-USB |
| HDMI | Micro-HDMI | Micro-HDMI |
| Wi-Fi | ✓ | ✓ |
| BT | ✓ | ✓ |
| GPS | ✗ | ✗ |
| Weather | ✗ | ✗ |
| LUT | ✗ | ✗ |
| Log | ✗ | ✗ |
| Flash | ✓ | ✗ |
| Hot Shoe | ✓ | ✗ |
| Battery | BLS-50 | BLH7 |
| Batt Life | 360 | — |
| Weight g | 383 | 200 |