✦ SIDE-BY-SIDE COMPARE

OM System-OM-1 Mark II vs Sony A7C II: which is better?

OM System-OM-1 Mark II and Sony A7C II compared side by side across 123 specs and 17 scored categories — every winner highlighted, so the right pick is obvious.

2 PRODUCTS · 123 SPECS · 17 SCORED CATEGORIES · LIVE RE-RANKING

COMPARING

2 / 4

CAMERAS

Add or remove products — every chart and spec row re-ranks live.

← TOP PICK

OM SYSTEM

OM System-OM-1 Mark II

$2,399

BEST OVERALL

SONY

Sony A7C II

$2,199

BEST VALUE

Add product

2 AVAILABLE

⚡ COMPARZONE VERDICT

The OM System-OM-1 Mark II takes the overall win.

Highest composite at 9.0/10 — 0.2 ahead of the Sony A7C II. Dead heat on battery. Scroll for the category-by-category breakdown.

View best price →

CATEGORY WINS · 17 SCOREDTIES SHOWN GREY

AUTO

BATT

BUIL

DESI

FEAT

IMAG

OPTI

PERF

VIDE

VALU

BATT

DESI

FEAT

OPTI

PERF

VIDE

OM System-OM-1 Mark II×13

Sony A7C II×1

OM System OM-1 Mark II Mirrorless CameraBEST OVERALL

Sony Alpha A7C II Full-Frame Mirrorless CameraBEST VALUE

01 · SCORE RADAR

Performance profile

CLICK A PRODUCT TO ISOLATE ITS SHAPE

LARGEST GAPBuild — OM System-OM-1 Mark II leads by 1.0

TIGHTESTBATTERY — dead heat between the top two

02 · CATEGORY BREAKDOWN

Category showdown

MARK IIA7C II

AutofocusiOM System-OM-1 Mark II · +0.5

MARK II9.5

A7C II9.0

BATTERYiTIED AT 7.5

MARK II7.5

A7C II7.5

BuildiOM System-OM-1 Mark II · +1.0

MARK II9.5

A7C II8.5

DESIGNiOM System-OM-1 Mark II · +1.0

MARK II9.0

A7C II8.0

FEATURESiOM System-OM-1 Mark II · +0.2

MARK II9.0

A7C II8.8

Image QualityiSony A7C II · +0.5

MARK II8.5

A7C II9.0

OPTICSiOM System-OM-1 Mark II · +0.2

MARK II9.0

A7C II8.8

PERFORMANCEiOM System-OM-1 Mark II · +0.3

MARK II9.0

A7C II8.7

VIDEOGRAPHYiOM System-OM-1 Mark II · +0.5

MARK II9.0

A7C II8.5

VideoiOM System-OM-1 Mark II · +0.5

MARK II9.0

A7C II8.5

ValueiTIED AT 8.0

MARK II8.0

A7C II8.0

BatteryiTIED AT 7.5

MARK II7.5

A7C II7.5

DesigniOM System-OM-1 Mark II · +1.0

MARK II9.0

A7C II8.0

FeaturesiOM System-OM-1 Mark II · +0.2

MARK II9.0

A7C II8.8

OpticsiOM System-OM-1 Mark II · +0.2

MARK II9.0

A7C II8.8

PerformanceiOM System-OM-1 Mark II · +0.3

MARK II9.0

A7C II8.7

VideographyiOM System-OM-1 Mark II · +0.5

MARK II9.0

A7C II8.5

03 · VALUE MAP

Price vs performance

TOP-LEFT IS THE SWEET SPOT

SCORE PER $100 · RANKED

01Sony A7C II0.40BEST DEAL

02OM System-OM-1 Mark II0.38

Map shows current starting prices · trends show tracked street prices. Check live deals before deciding.

04 · THE FULL SHEET

Full specifications

123 SPECS · ALL SHOWN

SPECS

OM System-OM-1 Mark II$2,39913W9.0

Sony A7C II$2,19911W8.8

AF Pointsi

1,053← BEST +39%

759

Subject Detectioni

Human, Animal (Dog, Cat, Bird), Car, Motorcycle, Airplane, Helicopter, Train, Truck

Human, Animal, Bird, Insect, Car, Train, Airplane

Burst RateFPSi

50 fps← BEST +400%

10 fps

Battery HealthWHiSAME

16.4 Wh

Removable BatteryiSAME

Yes

Battery Level IndicatoriSAME

Yes

Battery PowerMAHiSAME

2280 mAh

Rechargeable BatteryiSAME

Yes

Full Charge Shotsi

Approx. 520 shots (CIPA)

Approx. 540 (EVF) / 590 (LCD)

Battery VoltageViSAME

7.2 V

Battery Modeli

BLX-1

NP-FZ100

Card Slotsi

Dual UHS-II SD

1x SD (UHS-II)

Weather SealingiSAME

Yes

Battery (CIPA)SHOTSi

520 shots

540 shots← BEST +4%

WeightGi

599 g

513 g← 14% lighter

Weather Sealed ( Splashproof )i

IP53 rated

Yes (Dust and Moisture Resistant)

Screen Resolutioni

1.62M dots

1.03 million dots

Touch ScreeniSAME

Yes

System CameraiSAME

Mirrorless

EVF ResolutionM DOTSi

5.76 m dots← BEST +144%

2.36 m dots

Screen SizeINCHiSAME

3 inch

Hot ShoeiSAME

Yes

FlashiSAME

Flip Out ScreeniSAME

Yes

VolumeCM³i

890 cm³

559 cm³

Lowest Potential Operating Temperature°Ci

-10 °C

0 °C← BEST +100%

Tilting Viewfinderi

N/A

EVF Refresh Rate ( Max )HZiSAME

120 Hz

WidthMMi

134.8 mm← BEST +9%

124 mm

HeightMMi

91.6 mm← BEST +29%

71.1 mm

Maximum Operating Temperature°CiSAME

40 °C

Waterproof Depthi

Splashproof (IP53)

0 m

Thicknessi

72.7 mm

63.4 mm

Dxomark Sensor ScoreiSAME

Dxomark Sports ScoreiSAME

Dxomark Landscape ScoreiSAME

Dxomark Portrait ScoreiSAME

Bluetooth Versioni

5.0

Bluetooth 5.0

Typei

Premium

Mirrorless

ViewfinderiSAME

Electronic

Viewfinder CoverageiSAME

100

WeightGi

599 g← BEST +17%

513 g

Processori

TruePic X

BIONZ XR with AI Processing Unit

Release Datei

2024-01-30

2023-08-29

Wi-Fi SupportediSAME

Yes

Bluetooth SupportediSAME

Yes

Dual Card Slotsi

Yes← BEST

Pixel Shift Shoti

Yes (Handheld and Tripod High Res Shot)

Yes

Shoots RawiSAME

Yes

Supports Lossless Compressed RawiSAME

Yes

Wi-Fi Versioni

802.11ac

Wi-Fi 5 (802.11ac)

Supports A RemoteiSAME

Yes

HDMI SupportediSAME

Yes

GPS SupportiSAME

Support Live StreamingiSAME

Yes

Advanced Hot Shoei

Yes (Multi-Interface Shoe)

Multi Interface Shoe

Internal StorageiSAME

HDMI VersioniSAME

Micro-HDMI (Type D)

Internal Storage SizeiSAME

0 GB

NFC Supportedi

Yes← BEST

USB Type-CiSAME

Yes

External Memory SlotiSAME

Yes

Sensori

20.4MP Stacked BSI Live MOS

Full-Frame Exmor R CMOS

ResolutionMPi

20.4 MP

33 MP← BEST +62%

ISO Rangei

ISO 200-25600 (expandable to 80-102400)

100-51200 (Expandable to 50-204800)

Dynamic RangeSTOPSi

12 stops

14 stops← BEST +17%

StabilizationiSAME

5-axis Sensor-Shift

Sensor Sizei

Micro Four Thirds (17.3 x 13 mm)

35.9 x 23.9 mm

Lens MountiSAME

Yes

Megapixelsi

20.4 MP

33.0 MP

Maximum ISOi

25,600

51,200← BEST +100%

Sensor Shift StabilizationiSAME

Yes

Continuous ShootingiSAME

10 fps

Phase Detection Autofocus For PhotosiSAME

Yes

Fastest Shutter Speedi

1/8000 sec (mechanical)

1/8000 sec

Focus Pointsi

1053

759 (Phase Detection)

Maximum Expanded ISOi

102400

204800

AF TrackingiSAME

Yes

Manual FocusiSAME

Yes

Touch AutofocusiSAME

Yes

Manual Shutter SpeediSAME

Yes

BSI SensoriSAME

Yes

Manual ExposureiSAME

Yes

Serial Shot ModeiSAME

Yes

CMOS SensoriSAME

Yes

Built In HDR ModeiSAME

Yes

Two Stage ShutteriSAME

Yes

Manual ISOiSAME

Yes

Flash Sync Speedi

1/250 sec

1/160 sec

Manual White BalanceiSAME

Yes

Exposure Timei

30 sec to 1/8000 sec (mechanical)

30s

Image Stabilization Ratingi

7.5← BEST +7%

Maximum Electronic Shutter Speedi

1/32000 sec

1/8000 sec

Can Combine Image Stabilizationi

Yes (Sync IS with compatible lenses)

Yes (Optical + IBIS)

Can Create Panoramas In Camerai

Yes← BEST

Stacked Cmos Sensori

—

USB SupportediSAME

Yes

USB Versioni

USB 3.0 (Type-C)

USB 3.2 Gen 2

Pixel Size ( Main Camera )i

3.3 µm

5.01 µm

Build Qualityi

9.5← BEST +12%

8.5

Controlsi

9← BEST +13%

Autofocus Pointsi

9.5← BEST +6%

Image Qualityi

8.5

9← BEST +6%

Video Qualityi

9← BEST +6%

8.5

Battery LifeiSAME

7.5

Low Light Performancei

8.8← BEST +10%

The Verdicti

The OM System OM-1 Mark II is a highly refined professional mirrorless camera, excelling in speed, stabilization, and computational photography, making it ideal for demanding outdoor and action photog

—

CommentsiSAME

—

Overall Ratingi

10← BEST +11%

Color Combinationi

9.4

9.65← BEST +3%

Video Recording ( Main Camera )i

C4K/4K 60p, Full HD 240p

4K 60p (Super35), 4K 30p (Full-Frame)

Phase Detection Autofocus For VideosiSAME

Yes

Microphone InputiSAME

Yes

Audio JackiSAME

Yes

Timelapse FunctioniSAME

Yes

Movie Bit Ratei

Up to 202 Mbps (4K)

600 Mbps (4K)

24p Cinema ModeiSAME

Yes

Supports Slow Motion Video RecordiSAME

Yes

Continuous Autofocus When Recording MoviesiSAME

Yes

Stereo MicrophoneiSAME

Yes

MicrophoneiSAME

Yes

Max Videoi

C4K 60p

4K 60p

Internal Colori

10-bit 4:2:0 internal

10-bit 4:2:2

ROW WINS

05 · WHICH ONE IS FOR YOU

Pick by persona

RE-RANKS LIVE AS YOU ADD OR REMOVE PRODUCTS

THE ALL-ROUNDER

Best overall

OM System-OM-1 Mark IIOM SYSTEM9.0

ALL GROUPSEQUAL WEIGHT

Best total score across weighted category factors.

RUNNER-UP · Sony A7C II (8.8)

FOR VALUE SEEKERS

Best bang for buck

Sony A7C IISONY8.8

SCORE ÷ PRICELIVE PRICES

Strongest score-to-price ratio from the available price data.

RUNNER-UP · OM System-OM-1 Mark II (0.4)

PRIORITY · BUILD

Best for build

OM System-OM-1 Mark IIOM SYSTEM9.5

BUILD WEIGHTEDCONF 91%

Best visible score in the build category group.

RUNNER-UP · Sony A7C II (8.5)

PRIORITY · DESIGN

Best for design

OM System-OM-1 Mark IIOM SYSTEM9.0

DESIGN WEIGHTEDCONF 86%

Best visible score in the design category group.

RUNNER-UP · Sony A7C II (8.0)

06 · BOTTOM LINE

Why pick each

STRENGTHS · AND ONE HONEST TRADE-OFF

#1OM SYSTEM0.0

OM System-OM-1 Mark II

“The OM System OM-1 Mark II is a high-performance mirrorless camera designed for advanced photographers and videographers seeking speed, dura”

Autofocus 9.5

Build 9.5

Wins AF Points

Wins Burst Rate

TRADE-OFFMicro Four Thirds sensor size limitations

BEST OVERALLBest price →

#2SONY0.0

Sony A7C II

“The Sony A7C II is a compact yet powerful full-frame mirrorless camera, ideal for hybrid shooters seeking high-resolution stills and advance”

Autofocus 9.0

Image Quality 9.0

Wins Image Quality

Wins Overall Rating

TRADE-OFFSingle SD card slot

BEST VALUEBest price →

Still deciding? The OM System-OM-1 Mark II is the safest pick.

COMPOSITE 9.0/10 · WINS 13 OF 17 CATEGORIES

Buy the winner →

OM System OM-1 Mark II Mirrorless Camera vs Sony Alpha A7C II Full-Frame Mirrorless Camera: which is better?

The OM System OM-1 Mark II Mirrorless Camera is our overall pick, scoring 9.0/10 against 8.8/10 for the Sony Alpha A7C II Full-Frame Mirrorless Camera — a 2% edge. Current starting prices span $2,199–$2,399. The score weighs category-specific cameras attributes, spec wins, price signals, and data confidence — not sponsorships.

OM System OM-1 Mark II Mirrorless Camera leads overall with a 9.0 total score.
OM System OM-1 Mark II Mirrorless Camera wins 64 comparable specs with a 45% weighted win rate.
Sony Alpha A7C II Full-Frame Mirrorless Camera has the strongest high-impact advantage in Image Quality.
Sony Alpha A7C II Full-Frame Mirrorless Camera has the best visible score-to-price balance based on available starting price.

OM System OM-1 Mark II Mirrorless CameraWINNER 9.0/10

The OM System OM-1 Mark II is a high-performance mirrorless camera designed for advanced photographers and videographers seeking speed, durability, and exceptional image stabilization.

Pros

+ World-class image stabilization
+ Blazing fast burst shooting
+ Advanced AI autofocus
+ Exceptional weather sealing

Cons

− Micro Four Thirds sensor size limitations
− Premium price point
− Minor upgrades from predecessor

Best for: Wildlife and sports photographers · Outdoor and adventure photography · Computational photography users

“Verdict: The OM System OM-1 Mark II refines an already excellent camera, offering significant computational photography enhancements, a deeper buffer, and improved AI autofocus, making it a compelling choice for demanding outdoor and…”

Sony Alpha A7C II Full-Frame Mirrorless Camera8.8/10

The Sony A7C II is a compact yet powerful full-frame mirrorless camera, ideal for hybrid shooters seeking high-resolution stills and advanced video capabilities in a portable body.

Pros

+ Compact full-frame design
+ Excellent 33MP image quality
+ Advanced AI-powered autofocus
+ 7-stop in-body image stabilization

Cons

− Single SD card slot
− Cropped 4K 60p video
− Smaller EVF resolution

Best for: Hybrid content creators · Travel photographers · Street photography

“Verdict: The Sony A7C II is an outstanding compact full-frame camera, offering a superb balance of high-resolution imaging, advanced autofocus, and robust video features in a travel-friendly design. It's a top choice for hybrid creators…”

Frequently asked questions

Which is better, OM System OM-1 Mark II Mirrorless Camera or Sony Alpha A7C II Full-Frame Mirrorless Camera?

By ComparZone's weighted scoring of category-specific cameras specs, the OM System OM-1 Mark II Mirrorless Camera scores highest overall (9.0/10, 0.2 points ahead of the Sony Alpha A7C II Full-Frame Mirrorless Camera). It is the better all-round pick, but the right choice depends on your priorities — the spec table above shows exactly where each one wins.

What are the main differences between OM System OM-1 Mark II Mirrorless Camera and Sony Alpha A7C II Full-Frame Mirrorless Camera?

The biggest measurable differences are Image Quality, Overall Rating, Sensor — with the Sony Alpha A7C II Full-Frame Mirrorless Camera leading on Image Quality. The grouped spec sheet above marks the winner of every comparable spec.

Is the OM System OM-1 Mark II Mirrorless Camera better value than the Sony Alpha A7C II Full-Frame Mirrorless Camera?

The OM System OM-1 Mark II Mirrorless Camera starts around $2,399 and the Sony Alpha A7C II Full-Frame Mirrorless Camera around $2,199. Weigh the score gap against the price gap: a small score lead rarely justifies a large premium unless it comes from the specs you personally care about.

Can I compare other cameras on ComparZone?

Yes — ComparZone supports dynamic comparison pages for any 2 to 4 cameras from the same category, with verified specs, transparent scores, and live prices. See the related comparisons below or build your own from the category page.

More cameras comparisons