OM System OM-1 vs Sony A7S II
65 Imaging
62 Features
96 Overall
75
68 Imaging
60 Features
76 Overall
66
OM System OM-1 vs Sony A7S II Key Specs
(Full Review)
- 20MP - Four Thirds Sensor
- 3.00" Fully Articulated Display
- ISO 200 - 25600 (Push 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
- Released February 2022
(Full Review)
- 12MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 102400 (Raise to 409600)
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 627g - 127 x 96 x 60mm
- Launched October 2015
- Old Model is Sony A7S
- New Model is Sony A7S III
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Following is a complete assessment of the OM System OM-1 vs Sony A7S II, both Pro Mirrorless cameras by companies Olympus and Sony. There is a large difference among the sensor resolutions of the OM System OM-1 (20MP) and A7S II (12MP) and the OM System OM-1 (Four Thirds) and A7S II (Full frame) offer different sensor sizing.
President Biden pushes bill mandating TikTok sale or banThe OM System OM-1 was introduced 6 years after the A7S II which is a fairly serious difference as far as camera tech is concerned. Both the cameras feature the same body design (SLR-style mirrorless).
Before delving straight to a in-depth comparison, here is a quick synopsis of how the OM System OM-1 grades against the A7S II for portability, imaging, features and an overall score.
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The following is a preview of the gallery photos for OM System OM-1 & Sony Alpha A7S II. The whole galleries are available at OM System OM-1 Gallery & Sony A7S II Gallery.
Reasons to pick OM System OM-1 over the Sony A7S II
| OM System OM-1 | A7S II | |||
|---|---|---|---|---|
| Launched | February 2022 |  | October 2015 | More modern by 78 months |
| Screen type | Fully Articulated |  | Tilting | Fully Articulating screen |
| Screen resolution | 1620k |  | 1229k | Crisper screen (+391k dot) |
| Selfie screen |  | Take selfies | ||
| Touch screen |  | Quickly navigate |
Reasons to pick Sony A7S II over the OM System OM-1
| A7S II | OM System OM-1 |
|---|
Common features in the OM System OM-1 and Sony A7S II
| OM System OM-1 | A7S II | |||
|---|---|---|---|---|
| Manually focus |  | More precise focus | ||
| Screen size | 3.00" |  | 3" | Same screen measurement |
OM System OM-1 vs Sony A7S II Physical Comparison
When you are looking to carry around your camera often, you will have to factor its weight and size. The OM System OM-1 offers external dimensions 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 A7S II has specifications of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") accompanied by a weight of 627 grams (1.38 lbs).
Contrast the OM System OM-1 vs Sony A7S II in our brand new Camera & Lens Size Comparison Tool.
Don't forget, the weight of an ILC will vary based on the lens you select at that moment. Here is a front view measurement comparison of the OM System OM-1 versus the A7S II.
Considering size and weight, the portability grade of the OM System OM-1 and A7S II is 65 and 68 respectively.
OM System OM-1 vs Sony A7S II Sensor Comparison
Oftentimes, its hard to imagine the contrast in sensor sizes merely by checking out technical specs. The picture underneath might offer you a greater sense of the sensor sizes in the OM System OM-1 and A7S II.
As you can tell, both of these cameras come with different megapixel count and different sensor sizes. The OM System OM-1 with its smaller sensor is going to make getting bokeh more difficult and the OM System OM-1 will show greater detail using its extra 8 Megapixels. Higher resolution can also let you crop shots a good deal more aggressively. The more recent OM System OM-1 should have an advantage with regard to sensor innovation.
OM System OM-1 vs Sony A7S II Screen and ViewFinder
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OM System OM-1 vs Sony A7S II Specifications
| OM System OM-1 | Sony Alpha A7S II | |
|---|---|---|
| General Information | ||
| Brand Name | Olympus | Sony |
| Model | OM System OM-1 | Sony Alpha A7S II |
| Category | Pro Mirrorless | Pro Mirrorless |
| Released | 2022-02-15 | 2015-10-12 |
| 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 dimensions | 17.4 x 13mm | 35.6 x 23.8mm |
| Sensor surface area | 226.2mm² | 847.3mm² |
| Sensor resolution | 20MP | 12MP |
| Anti aliasing filter | ||
| Aspect ratio | 4:3 | 3:2 and 16:9 |
| Highest resolution | 5184 x 3888 | 4240 x 2832 |
| Highest native ISO | 25600 | 102400 |
| Highest boosted ISO | 102400 | 409600 |
| Min native ISO | 200 | 100 |
| RAW images | ||
| Min boosted ISO | 80 | 50 |
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Number of focus points | 1053 | 169 |
| Cross focus points | 1053 | - |
| Lens | ||
| Lens mounting type | Micro Four Thirds | Sony E |
| Available lenses | 118 | 121 |
| Focal length multiplier | 2.1 | 1 |
| Screen | ||
| Type of display | Fully Articulated | Tilting |
| Display sizing | 3.00 inch | 3 inch |
| Resolution of display | 1,620 thousand dots | 1,229 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Viewfinder Information | ||
| Viewfinder type | Electronic | Electronic |
| Viewfinder resolution | 5,760 thousand dots | 2,359 thousand dots |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.83x | 0.78x |
| Features | ||
| Lowest shutter speed | 60 secs | 30 secs |
| Highest shutter speed | 1/8000 secs | 1/8000 secs |
| Highest quiet shutter speed | 1/32000 secs | - |
| Continuous shooting rate | 10.0fps | 5.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | Yes |
| Custom white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | no built-in flash | no built-in flash |
| Flash settings | 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 | ||
| AE bracketing | ||
| White balance bracketing | ||
| Highest flash synchronize | 1/250 secs | - |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | - | 4K (3840 x 2160 @ 30p/24p [60-100Mbps]), Full HD (1920 x 1080 @ 120p/60p/60i/30p/24p [50-100Mbps]), 720p (30p [16Mbps]) |
| Highest video resolution | 4096x2160 | 3840x2160 |
| Video file format | MPEG-4, H.264, H.265, HEVC | MPEG-4, AVCHD, XAVC S |
| Mic support | ||
| Headphone support | ||
| 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 proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 599 grams (1.32 lb) | 627 grams (1.38 lb) |
| 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 All around score | not tested | 85 |
| DXO Color Depth score | not tested | 23.6 |
| DXO Dynamic range score | not tested | 13.3 |
| DXO Low light score | not tested | 2993 |
| Other | ||
| Battery life | 520 pictures | 370 pictures |
| Form of battery | Battery Pack | Battery Pack |
| Battery model | BLX-1 | NP-FW50 |
| Self timer | Yes (2 or 12 secs, custom) | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
| Time lapse shooting | With downloadable app | |
| Storage type | 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 | $2,767 |