Sony A7 II vs Olympus E-M10 IV

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Sony A7 II vs Olympus E-M10 IV

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35mm 855.6mm²
24.3 megapixels
ISO 100 - 25,600

Go in depth with our full Sony A7 II Review.
How does it shoot? Sony A7 II in the real world.
See real-world photos taken with the A7 II.
Compare Sony A7 II image quality against competitors.
What’s the bottom line? Read our Sony A7 II conclusion.

4/3 226.2mm²
20.3 megapixels
ISO 200 - 25,600

Go in depth with our full Olympus E-M10 IV Review.
See real-world photos taken with the E-M10 IV.

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Differences

Sony A7 II advantages over Olympus E-M10 IV

Larger sensor
35mm vs 4/3
More sensor area. Bigger is (generally) better.
Bigger pixels
~ 5.97 vs 3.36 microns
Better low-light and dynamic range (all else equal)
In-camera panoramas
Yes vs No
Stitches multiple shots into a panoramic photo
NFC
Yes vs No
Simplifies pairing your camera with supported phones
On-sensor phase detect
Yes vs No
Usually improves live view and video AF performance
External Mic Jack
Jack vs No jack
Improved sound fidelity when shooting video
More pixels
24.3 vs 20.3 megapixels
Higher resolution photos
Headphone jack
Yes vs No
Monitor audio recording while you shoot video
Has anti-aliasing filter
Filter vs No Filter
Reduces unsightly moiré in photos
Higher extended ISO
51200 vs 25600 ISO
Higher extended ISO can give more low-light flexibility

Olympus E-M10 IV advantages over Sony A7 II

Lens selection
Excellent vs Good
Better lens selection gives you more options
Less expensive
$699 vs $1598
Save money for lenses or accessories
Shoot 4K video
4K (DCI) vs 1080p
Make sure you have a fast computer
Touchscreen
Touch vs No touch
Interact with your camera just like your smartphone
Built-in Bluetooth
Yes vs No
Always-on wireless connectivity
More telephoto lens reach
84 mm vs 70 mm
Capture objects farther away with the kit lens
Internal flash
Internal flash vs None
Useful in a pinch for fill flash
Newer
4 years vs 10 years old
Newer cameras often support more advanced features
Lacks anti-aliasing filter
No Filter vs Filter
Enjoy sharper photos
Longer exposure
60 vs 30 sec
Long exposures for night shots
Slow-motion videos
Yes vs No
Shoot slow-motion videos
Faster shutter
1/16000 vs 1/8000 sec
Shoot wide open in bright light

Similarities

Common Strengths

Focus peaking
Both provide
Your camera will highlight what's in focus
Eye-level viewfinder
Both provide
You'll be able to frame photos even when the sun is out
In-Camera Image Stabilization
Both provide
Reduces the effects of camera shake at slower shutter speeds
Tiltable Screen
Both provide
Tilt the screen for shooting flexbility
Built-in Wi-Fi
Both provide
Share your photos wirelessly
HDMI out
Both provide
Use HDMI output to monitor or review video
Hot shoe
Both provide
Off-camera flashes open new possibilities
Bulb shutter
Both provide
Hold the shutter open manually for long exposures

Common Weaknesses

Tilt-swivel screen
Neither provide
Tilt and swivel the screen for maximum shooting flexibility
Built-in GPS
Neither provide
Geotag your photos
Top deck display
Neither provide
Check settings with a screen on top of the camera
Dual card slots
Neither provide
Gives you more storage flexibility

User reviews

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Read A7 II User Reviews

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Buy the Olympus E-M10 IV

Body Only

Body Only
Kit with 14-42mm Lens

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Review Excerpt

Excellent 5-axis sensor-shift image stabilization; Sensor-shift IS brings stabilization to nearly any lens; Much-improved ergonomics and top-deck control layout; 'Mark II' maintains same impressive image quality, dynamic range and high ISO performance; XAVC S 50Mbps video format; Faster start-up time; Hybrid AF performs well with good continuous AF.
(Similar to A7): Loud shutter (but electronic first-curtain helps); Battery life could be better; Low-light AF still not as good as most DSLRs; High ISO JPEGs look over-processed; Slow buffer clearing; Limited selection of native Sony FE lenses (but it's getting better).
Read our Sony A7 II Review

We haven’t finished our review of the Olympus E-M10 IV, but we have extensive sample photos and a hands-on report.
Read our Olympus E-M10 IV Shooter's Report

The Competition

Compared to Sony A7

Sony A7 II

Sony A7

$1148
35mm

In-Camera Image Stabilization

$748
35mm

Less expensive

Compare Sony A7 II vs Sony A7

Olympus E-M10 IV

Sony A7

$666
4/3

Lens selection
Less expensive

$748
35mm

Larger sensor
Bigger pixels

Compare Olympus E-M10 IV vs Sony A7

Compared to Leica SL (Typ 601)

Sony A7 II

Leica SL (Typ 601)

$1148
35mm

Less expensive
In-Camera Image Stabilization

$3802
35mm

Shoot 4K video
Touchscreen

Compare Sony A7 II vs Leica SL (Typ 601)

Olympus E-M10 IV

Leica SL (Typ 601)

$666
4/3

Less expensive
In-Camera Image Stabilization

$3802
35mm

Larger sensor
Bigger pixels

Compare Olympus E-M10 IV vs Leica SL (Typ 601)

Compared to Sony A7 III

Sony A7 II

Sony A7 III

$1148
35mm

Less expensive
In-camera panoramas

$1865
35mm

Shoot 4K video
Touchscreen

Compare Sony A7 II vs Sony A7 III

Olympus E-M10 IV

Sony A7 III

$666
4/3

Lens selection
Less expensive

$1865
35mm

Larger sensor
Bigger pixels

Compare Olympus E-M10 IV vs Sony A7 III

Compared to Olympus E-M5 III

Sony A7 II

Olympus E-M5 III

$1148
35mm

Larger sensor
Bigger pixels

$924
4/3

Lens selection
Less expensive

Compare Sony A7 II vs Olympus E-M5 III

Olympus E-M10 IV

Olympus E-M5 III

$666
4/3

Less expensive
Longer video battery life

$924
4/3

Tilt-swivel screen
High resolution composite

Compare Olympus E-M10 IV vs Olympus E-M5 III

Compared to Panasonic G100

Sony A7 II

Panasonic G100

$1148
35mm

Larger sensor
In-Camera Image Stabilization

$599
4/3

Lens selection
Less expensive

Compare Sony A7 II vs Panasonic G100

Olympus E-M10 IV

Panasonic G100

$666
4/3

In-Camera Image Stabilization
More telephoto lens reach

$599
4/3

Less expensive
Tilt-swivel screen

Compare Olympus E-M10 IV vs Panasonic G100

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