OM System OM-1 vs Sony a1
65 Imaging
63 Features
96 Overall
76
61 Imaging
81 Features
93 Overall
85
OM System OM-1 vs Sony a1 Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3.00" Fully Articulated Display
- ISO 200 - 25600 (Increase to 102400)
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 599g - 135 x 92 x 73mm
- Launched February 2022
(Full Review)
- 50MP - Full frame Sensor
- 3" Tilting Display
- ISO 100 - 32000 (Increase to 102400)
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 7680 x 4320 video
- Sony E Mount
- 737g - 129 x 97 x 70mm
- Revealed January 2021
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On this page, we are looking at the OM System OM-1 versus Sony a1, both Pro Mirrorless cameras by rivals Olympus and Sony. There is a considerable difference among the sensor resolutions of the OM System OM-1 (20MP) and a1 (50MP) and the OM System OM-1 (Four Thirds) and a1 (Full frame) provide totally different sensor measurements.
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe OM System OM-1 was brought out 13 months later than the a1 making them a generation apart from each other. Both of these cameras have the same body design (SLR-style mirrorless).
Before we go straight to a detailed comparison, here is a simple highlight of how the OM System OM-1 matches up versus the a1 in regards to portability, imaging, features and an overall grade.
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Following is a sample of the gallery pictures for OM System OM-1 & Sony Alpha a1. The entire galleries are provided at OM System OM-1 Gallery & Sony a1 Gallery.
Reasons to pick OM System OM-1 over the Sony a1
| OM System OM-1 | a1 | |||
|---|---|---|---|---|
| Revealed | February 2022 |  | January 2021 | More recent by 13 months |
| Display type | Fully Articulated |  | Tilting | Fully Articulating display |
| Display resolution | 1620k |  | 1440k | Crisper display (+180k dot) |
| Selfie screen |  | Take selfies |
Reasons to pick Sony a1 over the OM System OM-1
| a1 | OM System OM-1 |
|---|
Common features in the OM System OM-1 and Sony a1
| OM System OM-1 | a1 | |||
|---|---|---|---|---|
| Focus manually |  | Dial precise focusing | ||
| Display dimensions | 3.00" |  | 3" | Equal display measurements |
| Touch display |  | Easily navigate |
OM System OM-1 vs Sony a1 Physical Comparison
For anyone who is looking to lug around your camera regularly, you should factor its weight and measurements. The OM System OM-1 features outside measurements of 135mm x 92mm x 73mm (5.3" x 3.6" x 2.9") having a weight of 599 grams (1.32 lbs) whilst the Sony a1 has proportions of 129mm x 97mm x 70mm (5.1" x 3.8" x 2.8") and a weight of 737 grams (1.62 lbs).
Examine the OM System OM-1 versus Sony a1 in our completely new Camera plus Lens Size Comparison Tool.
Take into account, the weight of an ILC will change depending on the lens you use during that time. The following is a front view dimensions comparison of the OM System OM-1 compared to the a1.
Taking into account size and weight, the portability grade of the OM System OM-1 and a1 is 65 and 61 respectively.
OM System OM-1 vs Sony a1 Sensor Comparison
In many cases, it is difficult to envision the gap in sensor measurements simply by checking out specifications. The graphic below may offer you a far better sense of the sensor measurements in the OM System OM-1 and a1.
Plainly, each of these cameras have different resolutions and different sensor measurements. The OM System OM-1 because of its smaller sensor will make achieving bokeh more challenging and the Sony a1 will produce more detail having its extra 30 Megapixels. Greater resolution can also enable you to crop images a bit more aggressively. The younger OM System OM-1 is going to have a benefit when it comes to sensor technology.
OM System OM-1 vs Sony a1 Screen and ViewFinder
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OM System OM-1 vs Sony a1 Specifications
| OM System OM-1 | Sony Alpha a1 | |
|---|---|---|
| General Information | ||
| Brand Name | Olympus | Sony |
| Model type | OM System OM-1 | Sony Alpha a1 |
| Category | Pro Mirrorless | Pro Mirrorless |
| Launched | 2022-02-15 | 2021-01-26 |
| Physical type | SLR-style mirrorless | SLR-style mirrorless |
| Sensor Information | ||
| Sensor type | Stacked BSI Live MOS Sensor | BSI-CMOS |
| Sensor size | Four Thirds | Full frame |
| Sensor measurements | 17.4 x 13mm | 35.9 x 24mm |
| Sensor surface area | 226.2mm² | 861.6mm² |
| Sensor resolution | 20MP | 50MP |
| Anti alias filter | ||
| Aspect ratio | 4:3 | 1:1, 4:3, 3:2 and 16:9 |
| Highest Possible resolution | 5184 x 3888 | 8640 x 5760 |
| Maximum native ISO | 25600 | 32000 |
| Maximum enhanced ISO | 102400 | 102400 |
| Minimum native ISO | 200 | 100 |
| RAW images | ||
| Minimum enhanced ISO | 80 | 50 |
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| AF continuous | ||
| Single AF | ||
| Tracking AF | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Total focus points | 1053 | 759 |
| Cross type focus points | 1053 | - |
| Lens | ||
| Lens support | Micro Four Thirds | Sony E |
| Total lenses | 118 | 133 |
| Crop factor | 2.1 | 1 |
| Screen | ||
| Display type | Fully Articulated | Tilting |
| Display diagonal | 3.00 inches | 3 inches |
| Resolution of display | 1,620 thousand dots | 1,440 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Viewfinder Information | ||
| Viewfinder | Electronic | Electronic |
| Viewfinder resolution | 5,760 thousand dots | 9,437 thousand dots |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.83x | 0.9x |
| Features | ||
| Minimum shutter speed | 60s | 30s |
| Fastest shutter speed | 1/8000s | 1/8000s |
| Fastest quiet shutter speed | 1/32000s | 1/32000s |
| Continuous shutter rate | 10.0fps | 30.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Change WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | no built-in flash | no built-in flash |
| Flash modes | Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
| Hot shoe | ||
| AE bracketing | ||
| WB bracketing | ||
| Fastest flash synchronize | 1/250s | 1/400s |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | - | 7680x4320 (30p, 25p, 23.98) |
| Maximum video resolution | 4096x2160 | 7680x4320 |
| Video format | MPEG-4, H.264, H.265, HEVC | XAVC S, XAVC HS, H.264, H.265 |
| Microphone support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.1 Gen 1 (5 GBit/sec) | Yes |
| GPS | None | None |
| Physical | ||
| Environment sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 599 grams (1.32 lbs) | 737 grams (1.62 lbs) |
| Physical dimensions | 135 x 92 x 73mm (5.3" x 3.6" x 2.9") | 129 x 97 x 70mm (5.1" x 3.8" x 2.8") |
| DXO scores | ||
| DXO Overall rating | not tested | not tested |
| DXO Color Depth rating | not tested | not tested |
| DXO Dynamic range rating | not tested | not tested |
| DXO Low light rating | not tested | not tested |
| Other | ||
| Battery life | 520 pictures | 530 pictures |
| Style of battery | Battery Pack | Battery Pack |
| Battery ID | BLX-1 | NP-FZ100 |
| Self timer | Yes (2 or 12 secs, custom) | Yes |
| Time lapse shooting | ||
| Type of storage | Dual SD/SDHC/SDXC slots (UHS-II on first slot) | Dual SD/CFexpress Type A slots (UHS-II supported) |
| Card slots | Dual | Dual |
| Pricing at release | $2,199 | $6,498 |