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OM System OM-3 Astro / OM System OM-5 II / OM System OM-3 / OM System OM-1 II / OM System OM-5
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| GENERAL | |||||
| Model | OM System OM-3 Astro | OM System OM-5 Mark II | OM System OM-3 | OM System OM-1 Mark II | OM System OM-5 |
| Release Date | 2026-02-10 | 2025-06-17 | 2025-02-06 | 2024-01-30 | 2022-10-26 |
| Camera Type | SLR-style mirrorless | SLR-style mirrorless | SLR-style mirrorless | SLR-style mirrorless | SLR-style mirrorless |
| SENSOR | |||||
| Sensor Resolution |
20
Megapixel |
20
Megapixel |
20
Megapixel |
20
Megapixel |
20
Megapixel |
| Max Image Dimensions | 5184 x 3888 | 5184 x 3888 | 5184 x 3888 | 5184 x 3888 | 5184 x 3888 |
| Sensor Type | Stacked BSI Live MOS Sensor | CMOS | Stacked BSI Live MOS Sensor | Stacked BSI Live MOS Sensor | CMOS |
| Sensor Size | Four Thirds | Four Thirds | Four Thirds | Four Thirds | Four Thirds |
| Sensor Dimensions | 17.4 x 13 mm | 17.4 x 13 mm | 17.4 x 13 mm | 17.4 x 13 mm | 17.4 x 13 mm |
| Sensor Area |
226mm2
|
226mm2
|
226mm2
|
226mm2
|
226mm2
|
| Max ISO |
25600 |
25600 |
25600 |
25600 |
25600 |
| Min ISO |
200 |
200 |
200 |
200 |
200 |
| RAW Support | |||||
| SHOOTING FEATURES | |||||
| Max Shutter Speed | 1/8000 sec | 1/8000 sec | 1/8000 sec | 1/8000 sec | 1/8000 sec |
| Min Shutter Speed | 60 sec | 60 sec | 60 sec | 60 sec | 60 sec |
| Continuous Shooting | 120 fps | 10.0 fps | 120 fps | 120 fps | 10.0 fps |
| Shutter Priority | |||||
| Aperture Priority | |||||
| Manual Exposure | |||||
| Exposure Compensation | �5 (at 1/3 EV, 1/2 EV, 1 EV steps) | MultiCenter-weightedSpot | �5 (at 1/3 EV, 1/2 EV, 1 EV steps) | �5 (at 1/3 EV, 1/2 EV, 1 EV steps) | MultiCenter-weightedSpot |
| Auto Exposure Bracketing | �5(2, 3, 5, 7 frames at 1/3 EV, 2/3 EV, 1 EV steps) | �5 (2, 3, 5 frames at 1/3 EV, 2/3 EV, 1 EV steps) | �5(2, 3, 5, 7 frames at 1/3 EV, 2/3 EV, 1 EV steps) | �5(2, 3, 5, 7 frames at 1/3 EV, 2/3 EV, 1 EV steps) | �5 (2, 3, 5 frames at 1/3 EV, 2/3 EV, 1 EV steps) |
| Custom White Balance | |||||
| Image Stabilizer | Sensor-shift | Sensor-shift | Sensor-shift | Sensor-shift | Sensor-shift |
| Built-in Flash | |||||
| Flash Range | no built-in flash | no built-in flash | no built-in flash | no built-in flash | no built-in flash |
| Max Flash Sync | 1/250s | 1/250s | 1/250s | 1/250s | 1/250s |
| Flash Modes |
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| External Flash | |||||
| AE Bracketing | |||||
| WB Bracketing | |||||
| VIEWFINDER | |||||
| Viewfinder Type | Electronic | Electronic | Electronic | Electronic | Electronic |
| Viewfinder Resolution | 2,360k dots | 2,360k dots | 2,360k dots | 5,760k dots | 2,360k dots |
| Viewfinder Coverage | 100% | 100% | 100% | 100% | 100% |
| Viewfinder Magnification | 0.62 | 0.68 | 0.62 | 0.83 | 0.68 |
| LCD DISPLAY | |||||
| Display Type | Fully Articulated | Fully Articulated | Fully Articulated | Fully Articulated | Fully Articulated |
| Technology | n/a | n/a | n/a | n/a | n/a |
| Screen Size | 3.00" |
3.00" |
3.00" |
3.00" |
3.00" |
| Resolution | 1,620k dots | 1,040k dots | 1,620k dots | 1,620k dots | 1,040k dots |
| Live View | |||||
| Touch Screen | |||||
| VIDEO | |||||
| Video File Format |
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| Microphone Type | Stereo | Stereo | Stereo | Stereo | Stereo |
| Speaker Type | Mono | Mono | Mono | Mono | Mono |
| External Microphone Port | |||||
| External Headphone Port | |||||
| PHYSICAL SPECS | |||||
| Weight | 496 g | 414 g | 496 g | 599 g | 414 g |
| Dimensions | 139 x 89 x 46 mm | 125 x 85 x 50 mm | 139 x 89 x 46 mm | 135 x 92 x 73 mm | 125 x 85 x 50 mm |
| Body Sealing | Yes | Yes | Yes | Yes | Yes |
| BATTERY and STORAGE | |||||
| Battery Type | Battery Pack | Battery Pack | Battery Pack | Battery Pack | Battery Pack |
| Battery Life |
590 Shots |
310 Shots |
590 Shots |
520 Shots |
310 Shots |
| Storage Media |
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| CONNECTIVITY | |||||
| Wireless Connectivity | Built-In | Built-In | Built-In | Built-In | Built-In |
| HDMI | |||||
| USB | USB 3.1 Gen 1 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) | USB 3.1 Gen 1 (5 GBit/sec) | USB 3.1 Gen 1 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| LENS | |||||
| Lens Mount | Micro Four Thirds | Micro Four Thirds | Micro Four Thirds | Micro Four Thirds | Micro Four Thirds |
| Focal Range(35mm) | No Lens | No Lens | No Lens | No Lens | No Lens |
| Focal Length Multiplier | 2x | 2x | 2x | 2x | 2x |
| Optical Zoom | No Lens | No Lens | No Lens | No Lens | No Lens |
| Max Aperture | No Lens | No Lens | No Lens | No Lens | No Lens |
| Macro Focus Range | No Lens | No Lens | No Lens | No Lens | No Lens |
| Manual Focus | |||||
| AUTOFOCUS | |||||
| Number of Focus Points | 1053 | 121 | 1053 | 1053 | 121 |
| Contrast Detection | |||||
| Phase Detection | |||||
| AF Modes |
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