OM System OM-1 vs Sony A7 IV
Portability
65 Imaging
63 Features
96 Overall
76
65 Imaging
63 Features
96 Overall
76
Portability
61 Imaging
80 Features
92 Overall
84
61 Imaging
80 Features
92 Overall
84
OM System OM-1 vs Sony A7 IV Key Specs
OM System OM-1
(Full Review)
(Full Review)
- 20MP - Four Thirds Sensor
- 3.00" Fully Articulated Display
- ISO 200 - 25600 (Bump 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
- Announced February 2022
Sony A7 IV
(Full Review)
(Full Review)
- 33MP - Full frame Sensor
- 3" Fully Articulated Display
- ISO 100 - 51200 (Expand to 204800)
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 699g - 129 x 97 x 81mm
- Released October 2021
- Superseded the Sony A7 III
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Lets look much closer at the OM System OM-1 vs Sony A7 IV, both Pro Mirrorless cameras by competitors Olympus and Sony. There is a noticeable difference among the resolutions of the OM System OM-1 (20MP) and A7 IV (33MP) and the OM System OM-1 (Four Thirds) and A7 IV (Full frame) use totally different sensor measurements.
Samsung Releases Faster Versions of EVO MicroSD CardsThe OM System OM-1 was announced 4 months later than the A7 IV which means that they are both of a similar age. Both the cameras come with the identical body type (SLR-style mirrorless).
Before we go in to a full comparison, below is a short view of how the OM System OM-1 grades vs the A7 IV in terms of portability, imaging, features and an overall rating.
Photography Glossary OM System OM-1 vs Sony A7 IV Gallery
Here is a sample of the gallery pics for OM System OM-1 & Sony Alpha A7 IV. The whole galleries are available at OM System OM-1 Gallery & Sony A7 IV Gallery.
Reasons to pick OM System OM-1 over the Sony A7 IV
| OM System OM-1 | A7 IV | |||
|---|---|---|---|---|
| Display resolution | 1620k |  | 1440k | Clearer display (+180k dot) |
Reasons to pick Sony A7 IV over the OM System OM-1
| A7 IV | OM System OM-1 |
|---|
Common features in the OM System OM-1 and Sony A7 IV
| OM System OM-1 | A7 IV | |||
|---|---|---|---|---|
| Released | February 2022 |  | October 2021 | Same age |
| Manual focus |  | Dial precise focus | ||
| Display type | Fully Articulated |  | Fully articulated | Fully Articulated display |
| Display dimension | 3.00" |  | 3" | Identical display measurements |
| Selfie screen |  | Both good for selfies | ||
| Touch friendly display |  | Easily navigate |
OM System OM-1 vs Sony A7 IV Physical Comparison
For anybody who is looking to carry your camera frequently, you will have to take into account its weight and size. The OM System OM-1 features physical dimensions of 135mm x 92mm x 73mm (5.3" x 3.6" x 2.9") with a weight of 599 grams (1.32 lbs) and the Sony A7 IV has specifications of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") having a weight of 699 grams (1.54 lbs).
Examine the OM System OM-1 vs Sony A7 IV in our completely new Camera plus Lens Size Comparison Tool.
Don't forget, the weight of an ILC will vary depending on the lens you are utilizing at that time. Below is the front view proportions comparison of the OM System OM-1 versus the A7 IV.
Using size and weight, the portability score of the OM System OM-1 and A7 IV is 65 and 61 respectively.
OM System OM-1 vs Sony A7 IV Sensor Comparison
In many cases, it is very hard to envision the difference in sensor sizing only by seeing a spec sheet. The visual here will give you a greater sense of the sensor sizes in the OM System OM-1 and A7 IV.
As you can see, both the cameras posses different megapixels and different sensor sizing. The OM System OM-1 having a smaller sensor will make achieving bokeh more difficult and the Sony A7 IV will show more detail with its extra 13 Megapixels. Greater resolution will also let you crop images somewhat more aggressively.
OM System OM-1 vs Sony A7 IV Screen and ViewFinder
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Portrait Comparison
Portrait photography with OM System OM-1
Portrait photography with Sony A7 IV
manual focus
sensor resolution is decent (20MP)
sensor size is good (Four Thirds)
offers face detection focus
supports RAW files
manual focus
high resolution (33MP)
sensor size is large (Full frame)
supports face detect focus
delivers RAW files
doesn't have liveview
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Street photography with OM System OM-1
Street photography with Sony A7 IV
screen articulates fully
built in image stabilization (Sensor based 5-axis)
sensor size is good (Four Thirds)
supports RAW files
provides touch focus
weather proofing
good ISO range (25,600)
built in image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
delivers RAW files
comes with focus via touch
environment sealing
very good ISO range (51,200)
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OM System OM-1 Sports photography information
Sony A7 IV Sports photography information
max shutter speed is good (1/8,000s)
silent shutter (1/32,000s)
built in image stabilization (Sensor based 5-axis)
sensor resolution is decent (20MP)
sensor size is good (Four Thirds)
offers tracking autofocus
weather proofing
good battery pack (520 CIPA)
comes with phase detect auto focus
max shutter speed is good (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
high resolution (33 megapixels)
sensor size is large (Full frame)
supports tracking focus
environment sealing
good battery life (600 per charge)
comes with phase detect auto focus
doesn't have liveview
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OM System OM-1 Travel photography details
Sony A7 IV Travel photography details
good battery pack (520 CIPA)
weather proofing
has bluetooth
provides touch focus
sensor resolution is decent (20 megapixels)
selfie friendly display
good battery life (600 shots)
environment sealing
connects via bluetooth
comes with focus via touch
high resolution (33 megapixels)
screen is selfie friendly
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OM System OM-1 Landscape photography features
Sony A7 IV Landscape photography features
manual focus
change lenses (Micro Four Thirds mount)
decent sized screen (3.00 inches)
built in image stabilization (Sensor based 5-axis)
sensor resolution is decent (20MP)
sensor size is good (Four Thirds)
doesnt have anti aliasing filter
good ISO range (25,600)
supports RAW files
weather proofing
good battery pack (520 shots)
has dual storage slots
manual focus
interchangeable lenses (Sony E mount)
good sized screen (3")
built in image stabilization (Sensor based 5-axis)
high resolution (33 megapixels)
sensor size is large (Full frame)
very good ISO range (51,200)
delivers RAW files
environment sealing
good battery life (600 per charge)
has double storage slots
doesn't have liveview
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OM System OM-1 Vlogging features
Sony A7 IV Vlogging features
selfie friendly display
built-in touchscreen
built in image stabilization (Sensor based 5-axis)
offers face detection focus
great video quality (4096 x 2160 resolution)
does have external mic jack
screen is selfie friendly
touchscreen enabled
built in image stabilization (Sensor based 5-axis)
supports face detect focus
video resolution high (3840 x 2160 pxls)
does have microphone port
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OM System OM-1 vs Sony A7 IV Specifications
| OM System OM-1 | Sony Alpha A7 IV | |
|---|---|---|
| General Information | ||
| Manufacturer | Olympus | Sony |
| Model | OM System OM-1 | Sony Alpha A7 IV |
| Type | Pro Mirrorless | Pro Mirrorless |
| Announced | 2022-02-15 | 2021-10-21 |
| Body design | 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 | 35.8 x 23.8mm |
| Sensor area | 226.2mm² | 852.0mm² |
| Sensor resolution | 20 megapixels | 33 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 4:3 | 1:1, 4:3, 3:2 and 16:9 |
| Max resolution | 5184 x 3888 | 7008 x 4672 |
| Max native ISO | 25600 | 51200 |
| Max enhanced ISO | 102400 | 204800 |
| Lowest native ISO | 200 | 100 |
| RAW images | ||
| Lowest enhanced ISO | 80 | 50 |
| Autofocusing | ||
| Manual focus | ||
| AF touch | ||
| Continuous AF | ||
| Single AF | ||
| AF tracking | ||
| Selective AF | ||
| AF center weighted | ||
| AF multi area | ||
| AF live view | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Number of focus points | 1053 | 759 |
| Cross focus points | 1053 | - |
| Lens | ||
| Lens mounting type | Micro Four Thirds | Sony E |
| Available lenses | 118 | 172 |
| Focal length multiplier | 2.1 | 1 |
| Screen | ||
| Display type | Fully Articulated | Fully articulated |
| Display sizing | 3.00 inches | 3 inches |
| Resolution of display | 1,620 thousand dot | 1,440 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Viewfinder Information | ||
| Viewfinder | Electronic | Electronic |
| Viewfinder resolution | 5,760 thousand dot | 3,690 thousand dot |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.83x | 0.78x |
| Features | ||
| Minimum shutter speed | 60 seconds | 30 seconds |
| Fastest shutter speed | 1/8000 seconds | 1/8000 seconds |
| Fastest quiet shutter speed | 1/32000 seconds | - |
| Continuous shutter speed | 10.0 frames/s | 10.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Change WB | ||
| Image stabilization | ||
| Inbuilt 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 |
| Hot shoe | ||
| AE bracketing | ||
| White balance bracketing | ||
| Fastest flash sync | 1/250 seconds | 1/200 seconds |
| Exposure | ||
| Multisegment metering | ||
| Average metering | ||
| Spot metering | ||
| Partial metering | ||
| AF area metering | ||
| Center weighted metering | ||
| Video features | ||
| Video resolutions | - | 3843840 x 2160 @ 60p / 200 Mbps, XAVC HS, MP4, H.265, Linear PCM3840 x 2160 @ 50p / 200 Mbps, XAVC HS, MP4, H.265, Linear PCM3840 x 2160 @ 30p / 140 Mbps, XAVC HS, MP4, H.265, Linear PCM3840 x 2160 @ 25p / 140 Mbps, XAVC HS, MP4, H.265, Linear PCM3840 x 2160 @ 24p / 100 Mbps, XAVC HS, MP4, H.265, Linear PCM3840 x 2160 @ 60p / 600 Mbps, XAVC S-I, MP4, H.264, Linear PCM3840 x 2160 @ 50p / 500 Mbps, XAVC S-I, MP4, H.264, Linear PCM3840 x 2160 @ 30p / 300 Mbps, XAVC S-I, MP4, H.264, Linear PCM3840 x 2160 @ 25p / 250 Mbps, XAVC S-I, MP4, H.264, Linear PCM3840 x 2160 @ 24p / 240 Mbps, XAVC S-I, MP4, H.264, Linear PCM3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.264, Linear PCM3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.264, Linear PCM3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.264, Linear PCM3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.264, Linear PCM3840 x 2160 @ 30p / |
| Max video resolution | 4096x2160 | 3840x2160 |
| Video format | MPEG-4, H.264, H.265, HEVC | MPEG-4, XAVC S, XAVC HS, XAVC S-I, H.264, H.265 |
| Microphone jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.1 Gen 1 (5 GBit/sec) | Yes (USB PD supported) |
| GPS | None | None |
| Physical | ||
| Environmental seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 599g (1.32 lbs) | 699g (1.54 lbs) |
| Dimensions | 135 x 92 x 73mm (5.3" x 3.6" x 2.9") | 129 x 97 x 81mm (5.1" x 3.8" x 3.2") |
| DXO scores | ||
| DXO Overall score | not tested | not tested |
| DXO Color Depth score | not tested | not tested |
| DXO Dynamic range score | not tested | not tested |
| DXO Low light score | not tested | not tested |
| Other | ||
| Battery life | 520 photos | 600 photos |
| Style of battery | Battery Pack | Battery Pack |
| Battery model | BLX-1 | NP-FZ100 |
| Self timer | Yes (2 or 12 secs, custom) | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
| Time lapse feature | ||
| Type of storage | Dual SD/SDHC/SDXC slots (UHS-II on first slot) | Dual SD/CFexpress Type A slots |
| Storage slots | Dual | Dual |
| Retail price | $2,199 | $2,500 |