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Olympus E-M10 IV Comparison Review

The Olympus OM-D E-M10 Mark IV is a mirrorless interchangeable lens camera that was announced in August 2020 and is equipped with a Four Thirds sensor. It offers a resolution of 20.2 megapixel.

camera

Is the Olympus E-M10 IV a good camera? The E-M10 IV has a Camera Elo of 2663. This rating puts the E-M10 IV among the top 40 percent of all mirrorless interchangeable lens cameras. In terms of its sensor size category (Four Thirds cameras), the E-M10 IV ranks among the top 20 percent. Based on its within category standings, the camera earns a 4-star performance rating.

Headline Specifications
Olympus E-M10 IV
Mirrorless system camera
Micro Four Thirds lenses
20.2 MP, Four Thirds Sensor
4K/30p Video
ISO 200 - 25 600
Electronic viewfinder (2360k dots)
3.0 LCD, 1040k dots
Tilting touchscreen
15 shutter flaps per second
In-body stabilization
360 shots per battery charge
122 x 84 x 49 mm, 383 g

Read on to find out more about the camera's size, sensor, features, reception by expert reviewers, and how it compares to other digital cameras.

Body comparison with a credit card

The physical dimensions of the Olympus E-M10 IV relative to a credit card are illustrated in the side-by-side display below. Three consecutive views from the front, the top, and the rear side are shown. All size dimensions are rounded to the nearest millimeter.

Olympus E-M10 IV vs credit card front
E-M10 IV versus credit card top view
E-M10 IV and credit card rear side

The table below summarizes the key physical specs of the Olympus E-M10 IV alongside a set of similar cameras. If you want to review a particular camera pair side-by-side, just move across to the CAM-parator tool and choose from the broad selection of possible comparisons there.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-M10 IV 122 mm 84 mm 49 mm 383 g 360 n Aug 2020 699 amazon.com
2.
 
Olympus E-P7 118 mm 69 mm 38 mm 337 g 360 n Jun 2021 799 amazon.com
3.
 
Olympus E-M5 III 125 mm 85 mm 50 mm 414 g 310 Y Oct 2019 1,199 amazon.com
4.
 
Olympus E-PL10 117 mm 68 mm 39 mm 380 g 350 n Oct 2019 599 amazon.com
5.
 
Olympus E-PL9 117 mm 68 mm 39 mm 380 g 350 n Feb 2018 599ebay.com
6.
 
Olympus E-M10 III 122 mm 84 mm 50 mm 410 g 330 n Aug 2017 649ebay.com
7.
 
Olympus E-PL8 115 mm 67 mm 38 mm 357 g 350 n Sep 2016 549ebay.com
8.
 
Olympus PEN-F 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 1,199ebay.com
9.
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 649ebay.com
10.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 699ebay.com
11.
 
Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 n Aug 2014 599ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The listed prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The Olympus E-M10 IV was launched in the US market at a price of $699. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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Check E-M10 IV price at
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Sensor comparison with a 35mm slide

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

The Olympus E-M10 IV features a Four Thirds sensor and has a format factor (sometimes also referred to as "crop factor") of 2.0. Within the spectrum of camera sensors, this places the Olympus E-M10 IV among the medium-sized sensor cameras that aim to strike a balance between image quality and portability.

Olympus E-M10 IV sensor measures

Consistent information on actual sensor performance is available from DXO Mark for most cameras. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p23.313.2140276
2.
 
Olympus E-P7 Four Thirds 20.2 5184 38884K/30p23.413.3149477
3.
 
Olympus E-M5 III Four Thirds 20.2 5184 38884K/30p23.313.1132476
4.
 
Olympus E-PL10 Four Thirds 15.9 4608 34564K/30p23.313.1132476
5.
 
Olympus E-PL9 Four Thirds 15.9 4608 34564K/30p23.112.8116274
6.
 
Olympus E-M10 III Four Thirds 15.9 4608 34564K/30p23.112.8112074
7.
 
Olympus E-PL8 Four Thirds 15.9 4608 34561080/30p23.012.6103073
8.
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
9.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
10.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
11.
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The E-M10 IV indeed provides movie recording capabilities. The highest resolution format that the E-M10 IV can use is 4K/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the E-M10 IV has an electronic viewfinder with a resolution of 2360k dots. The viewfinder offers a field of view of 100% and a magnification of 0.62x. The tables below summarize some of the other core capabilities of the Olympus E-M10 IV in connection with corresponding information for a sample of similar cameras.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Olympus E-M10 IV2360 n3.0 / 1040 tilting Y 1/4000s 15.0/s Y Y
2.
 
Olympus E-P7none n3.0 / 1040 tilting Y 1/4000s 8.7/s Y Y
3.
 
Olympus E-M5 III2360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
4.
 
Olympus E-PL10none n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
5.
 
Olympus E-PL9none n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
6.
 
Olympus E-M10 III2360 n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
7.
 
Olympus E-PL8optional n3.0 / 1037 tilting Y 1/4000s 8.0/s n Y
8.
 
Olympus PEN-F2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
9.
 
Olympus E-M10 II2360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y Y
10.
 
Olympus E-M101440 n3.0 / 1037 tilting Y 1/4000s 8.0/s Y Y
11.
 
Olympus E-PL7optional n3.0 / 1037 tilting Y 1/4000s 8.0/s n Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

The LCD screen on the Olympus OM-D E-M10 Mark IV is flexibly attached to the body. In particular, the LCD can be tilted vertically to facilitate odd-angle shots in landscape orientation. This tilting design is often preferred, for example, by street photographers to a fully articulated, swivel type of LCD attachment, as it is more unobtrusive during shooting than a screen that flips out to the side.

articulated screen
Flexible screen on the E-M10 IV

One convenient feature of the E-M10 IV is the presence of an on-board flash. While this built-in flash is not very powerful, it can at times be useful as a fill-in light to brighten deep shadow areas.

Connection comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Olympus OM-D E-M10 Mark IV and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-M10 IVYstereo / mono--micro2.0Y-Y
2.
 
Olympus E-P7Ystereo / mono--micro2.0Y-Y
3.
 
Olympus E-M5 IIIYstereo / monoY-micro2.0Y-Y
4.
 
Olympus E-PL10Ystereo / mono--micro2.0Y-Y
5.
 
Olympus E-PL9Ystereo / mono--micro2.0Y-Y
6.
 
Olympus E-M10 IIIYstereo / mono--micro2.0Y--
7.
 
Olympus E-PL8Ystereo / mono--micro2.0Y--
8.
 
Olympus PEN-FYstereo / mono--micro2.0Y--
9.
 
Olympus E-M10 IIYstereo / mono--micro2.0Y--
10.
 
Olympus E-M10Ystereo / mono--micro2.0Y--
11.
 
Olympus E-PL7Ystereo / mono--micro2.0Y--

It is notable that the E-M10 IV offers wifi support. Wifi can be a very convenient means to transfer image data to an off-camera location.

Expert reviews

While the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the handling experience and imaging performance when actually working with the E-M10 IV. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased. This is why expert reviews are important. The following table reports the overall rankings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]).

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Review Scores
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-M10 IV4.5/5..5/581/1004.5/54.5/5 Aug 2020 699 amazon.com
2.
 
Olympus E-P74/5..4.5/5....4.5/5 Jun 2021 799 amazon.com
3.
 
Olympus E-M5 III5/5+5/582/1004.5/54.5/5 Oct 2019 1,199 amazon.com
4.
 
Olympus E-PL10....4/577/100..4/5 Oct 2019 599 amazon.com
5.
 
Olympus E-PL9..+....4.5/54/5 Feb 2018 599ebay.com
6.
 
Olympus E-M10 III..+5/580/1004.5/54.5/5 Aug 2017 649ebay.com
7.
 
Olympus E-PL8........4.5/54/5 Sep 2016 549ebay.com
8.
 
Olympus PEN-F....4/582/1004.5/55/5 Jan 2016 1,199ebay.com
9.
 
Olympus E-M10 II4.5/5+ +..80/1005/55/5 Aug 2015 649ebay.com
10.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 699ebay.com
11.
 
Olympus E-PL74/5+....5/54/5 Aug 2014 599ebay.com
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Check E-M10 IV price at
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Olympus E-M10 IV FAQ

Below are some additional questions and answers concerning some particular features of the E-M10 IV.

What is the technology behind the imaging sensor in the E-M10 IV?

The camera features a CMOS (Complementary Metal–Oxide–Semiconductor) sensor.

Which image processing chip is used to convert the raw signal into an image file and perform noise reduction and image sharpening?

Olympus equipped the E-M10 IV with the TruePic VIII image processor.

What is the ISO sensitivity range of the E-M10 IV?

The camera has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 100-25600.

Does the camera have a selfie-friendly screen?

Yes, the LCD-screen of the E-M10 IV is flexible and can be turned to be front-facing for capturing selfies.

What is the life expectancy of the shutter in the Olympus OM-D E-M10 Mark IV?

Olympus does not publish a shutter rating for the E-M10 IV. Yet, shutters in comparable cameras from other manufacturers are said to be good for at least 100 000 actuations. It should be noted, though, that this number represents a Mean Time before Failure. The shutter might fail earlier, or it might last longer. Anyway, in order to exhaust an expected shutter life of 100 000 shots over, say, three years, one would have to take about 100 pictures each and every day.

How do I find the shutter count on my E-M10 IV?

Olympus embeds the number of shutter actuations in hidden menus. You can check the number of shots that your E-M10 IV has taken up to now by carefully following the steps described on the Olympus E-M10 IV shutter count page.

Is completely silent shooting possible with the Olympus E-M10 IV?

The camera has an electronic shutter option, so that it is indeed feasible to capture images without any shutter noise.

Do I need to purchase an external camera trigger to shoot time-lapse sequences?

No, the Olympus OM-D E-M10 Mark IV has an intervalometer built-in, so that low frequency shooting (for example, flower blooming, sunset, moon rise) can be undertaken without the need to purchase a separate external intervalometer and related software.

Is it difficult to use manual focus lenses with the Olympus E-M10 IV?

The E-M10 IV offers focus peaking as a manual focus aid. This feature works by placing a colored highlight on in-focus zones within the image.

Does the Olympus E-M10 IV feature an autofocus assist light?

Yes, the camera has a lamp built-in that can illuminate the subject and improve autofocus in low-light settings.

What is the fastest shutter speed that can be used with flash?

The E-M10 IV's flash sync speed is 1/250 sec.

Does the Olympus E-M10 IV support the Ultra High Speed (UHS) bus interface for SD cards?

Yes, the camera can indeed use UHS-II cards (data transfer speed of up to 312 MB/s).

Which battery does the E-M10 IV use?

The camera gets its power from the BLS-50 (here at amazon), which is a rechargeable Lithium-Ion power pack.

Camera to camera comparisons

In case you are interested in seeing how this camera compares to another one, just make a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications Summary
    Camera Model Olympus E-M10 IV
    Camera Type Mirrorless system camera
    Camera Lens Micro Four Thirds lenses
    Launch Date August 2020
    Launch Price USD 699
    Sensor Specs
    Sensor Technology CMOS
    Sensor Format Four Thirds Sensor
    Sensor Size 17.3 x 13.0 mm
    Sensor Area 225 mm2
    Sensor Diagonal 21.6 mm
    Crop Factor 2.0x
    Sensor Resolution 20.2 Megapixels
    Image Resolution 5 184 x 3 888 pixels
    Pixel Pitch 3.34 μm
    Pixel Density 8.96 MP/cm2
    Moiré control no AA filter
    Movie Capability 4K/30p Video
    ISO Setting 200 - 25 600 ISO
    ISO Boost 100 - 25 600 ISO
    Image Processor TruePic VIII
    Screen Specs
    Viewfinder Type Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.62x
    Viewfinder Resolution 2360k dots
    Top-Level Screen no Top Display
    LCD Framing Live View
    LCD Size 3.0 inch
    LCD Resolution 1040k dots
    LCD Attachment Tilting screen
    V-logging Friendliness Front-flip possible
    Touch Input Touchscreen
    Shooting Specs
    Focus System Contrast-detect AF
    Manual Focusing AidFocus Peaking
    Maximum Shutter Speed 1/4000s
    Continuous Shooting 15 shutter flaps/s
    Shutter Life Expectancy100 000 actuations
    Silent ShootingElectronic Shutter
    Time Lapse PhotographyIntervalometer Built-in
    Image StabilizationIn-body stabilization
    Fill Flash Built-in Flash
    Storage Medium SDXC cards
    Second Storage Option Single card slot
    UHS card support UHS-II
    Connectivity Specs
    External Flash Hotshoe
    USB Connector USB 2.0
    HDMI Port micro HDMI
    Wifi Support Wifi built-in
    Bluetooth Support Bluetooth built-in
    Body Specs
    Battery Type BLS-50 power pack
    Battery Life (CIPA)360 shots per charge
    In-Camera Charging USB charging
    Body Dimensions 122 x 84 x 49 mm
    (4.8 x 3.3 x 1.9 in)
    Camera Weight 383 g (13.5 oz)

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