OM System OM-1 vs Sony A7 II
65 Imaging
64 Features
96 Overall
76
69 Imaging
72 Features
84 Overall
76
OM System OM-1 vs Sony A7 II Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3.00" Fully Articulated Display
- ISO 200 - 25600 (Expand to 102400)
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 4096 x 2160 video
- Micro Four Thirds Mount
- 599g - 135 x 92 x 73mm
- Introduced February 2022
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Display
- ISO 100 - 25600 (Raise to 51200)
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Sony E Mount
- 599g - 127 x 96 x 60mm
- Launched November 2014
- Replaced the Sony A7
- Newer Model is Sony A7 III
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On this page, we are contrasting the OM System OM-1 vs Sony A7 II, both Pro Mirrorless digital cameras by manufacturers Olympus and Sony. The resolution of the OM System OM-1 (20MP) and the A7 II (24MP) is fairly well matched but the OM System OM-1 (Four Thirds) and A7 II (Full frame) posses totally different sensor dimensions.
Photography GlossaryThe OM System OM-1 was launched 7 years after the A7 II which is quite a serious difference as far as tech is concerned. Each of the cameras have the same body design (SLR-style mirrorless).
Before going straight to a in-depth comparison, here is a simple introduction of how the OM System OM-1 scores against the A7 II with regards to portability, imaging, features and an overall mark.
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Following is a sample of the gallery pictures for OM System OM-1 & Sony Alpha A7 II. The complete galleries are available at OM System OM-1 Gallery & Sony A7 II Gallery.
Reasons to pick OM System OM-1 over the Sony A7 II
| OM System OM-1 | A7 II | |||
|---|---|---|---|---|
| Launched | February 2022 |  | November 2014 | Newer by 89 months |
| Display type | Fully Articulated |  | Tilting | Fully Articulating display |
| Display resolution | 1620k |  | 1230k | Crisper display (+390k dot) |
| Selfie screen |  | Take selfies | ||
| Touch friendly display |  | Easily navigate |
Reasons to pick Sony A7 II over the OM System OM-1
| A7 II | OM System OM-1 |
|---|
Common features in the OM System OM-1 and Sony A7 II
| OM System OM-1 | A7 II | |||
|---|---|---|---|---|
| Manual focus |  | Dial accurate focusing | ||
| Display dimensions | 3.00" |  | 3" | Equal display sizing |
OM System OM-1 vs Sony A7 II Physical Comparison
For anybody who is aiming to travel with your camera frequently, you should factor in its weight and proportions. The OM System OM-1 enjoys outer measurements of 135mm x 92mm x 73mm (5.3" x 3.6" x 2.9") with a weight of 599 grams (1.32 lbs) while the Sony A7 II has measurements of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") along with a weight of 599 grams (1.32 lbs).
Check the OM System OM-1 vs Sony A7 II in our newest Camera & Lens Size Comparison Tool.
Don't forget, the weight of an ILC will vary dependant on the lens you use at that time. Below is a front view measurements comparison of the OM System OM-1 compared to the A7 II.
Looking at size and weight, the portability rating of the OM System OM-1 and A7 II is 65 and 69 respectively.
OM System OM-1 vs Sony A7 II Sensor Comparison
Often, it's hard to envision the contrast between sensor dimensions purely by reading through a spec sheet. The pic underneath might offer you a far better sense of the sensor measurements in the OM System OM-1 and A7 II.
Clearly, both of the cameras have different resolutions and different sensor dimensions. The OM System OM-1 featuring a tinier sensor will make achieving bokeh tougher and the Sony A7 II will give greater detail utilizing its extra 4MP. Greater resolution will allow you to crop photos a bit more aggressively. The fresher OM System OM-1 is going to have an edge with regard to sensor technology.
OM System OM-1 vs Sony A7 II Screen and ViewFinder
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OM System OM-1 vs Sony A7 II Specifications
| OM System OM-1 | Sony Alpha A7 II | |
|---|---|---|
| General Information | ||
| Make | Olympus | Sony |
| Model type | OM System OM-1 | Sony Alpha A7 II |
| Class | Pro Mirrorless | Pro Mirrorless |
| Introduced | 2022-02-15 | 2014-11-20 |
| Physical type | SLR-style mirrorless | SLR-style mirrorless |
| Sensor Information | ||
| Processor | - | Bionz X |
| Sensor type | Stacked BSI Live MOS Sensor | CMOS |
| Sensor size | Four Thirds | Full frame |
| Sensor measurements | 17.4 x 13mm | 35.8 x 23.9mm |
| Sensor area | 226.2mm² | 855.6mm² |
| Sensor resolution | 20MP | 24MP |
| Anti alias filter | ||
| Aspect ratio | 4:3 | 3:2 and 16:9 |
| Peak resolution | 5184 x 3888 | 6000 x 4000 |
| Highest native ISO | 25600 | 25600 |
| Highest enhanced ISO | 102400 | 51200 |
| Minimum native ISO | 200 | 100 |
| RAW data | ||
| Minimum enhanced ISO | 80 | 50 |
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Total focus points | 1053 | 117 |
| Cross type focus points | 1053 | - |
| Lens | ||
| Lens mount type | Micro Four Thirds | Sony E |
| Available lenses | 118 | 121 |
| Focal length multiplier | 2.1 | 1 |
| Screen | ||
| Display type | Fully Articulated | Tilting |
| Display size | 3.00" | 3" |
| Resolution of display | 1,620 thousand dots | 1,230 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch display | ||
| Viewfinder Information | ||
| Viewfinder type | Electronic | Electronic |
| Viewfinder resolution | 5,760 thousand dots | 2,359 thousand dots |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.83x | 0.71x |
| Features | ||
| Min shutter speed | 60s | 30s |
| Max shutter speed | 1/8000s | 1/8000s |
| Max quiet shutter speed | 1/32000s | - |
| Continuous shutter rate | 10.0 frames/s | 5.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Integrated 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 | no built-in flash |
| External flash | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Max flash synchronize | 1/250s | - |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | - | 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) |
| Highest video resolution | 4096x2160 | 1920x1080 |
| Video file format | MPEG-4, H.264, H.265, HEVC | MPEG-4, AVCHD, XAVC S |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.1 Gen 1 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 599 grams (1.32 pounds) | 599 grams (1.32 pounds) |
| Physical dimensions | 135 x 92 x 73mm (5.3" x 3.6" x 2.9") | 127 x 96 x 60mm (5.0" x 3.8" x 2.4") |
| DXO scores | ||
| DXO Overall rating | not tested | 90 |
| DXO Color Depth rating | not tested | 24.9 |
| DXO Dynamic range rating | not tested | 13.6 |
| DXO Low light rating | not tested | 2449 |
| Other | ||
| Battery life | 520 images | 350 images |
| Type of battery | Battery Pack | Battery Pack |
| Battery ID | BLX-1 | NP-FW50 |
| Self timer | Yes (2 or 12 secs, custom) | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
| Time lapse recording | With downloadable app | |
| Type of storage | Dual SD/SDHC/SDXC slots (UHS-II on first slot) | SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo |
| Card slots | 2 | One |
| Retail pricing | $2,199 | $1,456 |
