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Olympus E-M1 vs Pentax MX-1

The Olympus OM-D E-M1 and the Pentax MX-1 are two digital cameras that were revealed to the public, respectively, in September 2013 and January 2013. The E-M1 is a mirrorless interchangeable lens camera, while the MX-1 is a fixed lens compact. The cameras are based on a Four Thirds (E-M1) and a 1/1.7-inch (MX-1) sensor. The Olympus has a resolution of 15.9 megapixels, whereas the Pentax provides 12 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Olympus E-M1 versus Pentax MX-1
Olympus E-M1 Pentax MX-1
Mirrorless system camera Fixed lens compact camera
Micro Four Thirds lenses 28-112mm f/1.8-2.5
15.9 MP, Four Thirds Sensor 12 MP, 1/1.7" Sensor
1080/30p Video 1080/30p Video
ISO 200-25,600 ISO 100-12,800
Electronic viewfinder (2360k dots) No viewfinder, LCD framing
3.0 LCD, 1037k dots 3.0 LCD, 920k dots
Tilting touchscreen Tilting screen (not touch-sensitive)
10 shutter flaps per second 1 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodynot weather sealed
350 shots per battery charge290 shots per battery charge
130 x 94 x 63 mm, 497 g 122 x 61 x 51 mm, 391 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus OM-D E-M1 and the Pentax MX-1? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The physical size and weight of the Olympus E-M1 and the Pentax MX-1 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures are rounded to the nearest millimeter.

The E-M1 can be obtained in two different colors (black, silver), while the MX-1 is only available in black.

Size Olympus E-M1 vs Pentax MX-1
Compare E-M1 versus MX-1 top
Comparison E-M1 or MX-1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax MX-1 is considerably smaller (39 percent) than the Olympus E-M1. It is worth mentioning in this context that the E-M1 is splash and dust resistant, while the MX-1 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the MX-1 has a lens built in, whereas the E-M1 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the E-M1 and their specifications in the Micro Four Thirds Lens Catalog.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Olympus E-M1 5.1 in 3.7 in 2.5 in 17.5 oz 350 Y Sep 2013 1,399i
 
Pentax MX-1 4.8 in 2.4 in 2.0 in 13.8 oz 290 n Jan 2013 499i
 
Canon G16 4.3 in 3.0 in 1.6 in 12.6 oz 360 n Aug 2013 549 i
 
Canon G15 4.2 in 3.0 in 1.6 in 12.4 oz 350 n Sep 2012 499i
 
Nikon P7800 4.7 in 3.1 in 2.0 in 14.1 oz 350 n Sep 2013 549i
 
Olympus E-M1 II 5.3 in 3.6 in 2.6 in 20.2 oz 440 Y Sep 2016 1,999 i
 
Olympus PEN-F 4.9 in 2.8 in 1.5 in 15.1 oz 330 n Jan 2016 1,199i
 
Olympus E-M5 II 4.9 in 3.3 in 1.8 in 16.5 oz 310 Y Feb 2015 1,099i
 
Olympus E-PL7 4.5 in 2.6 in 1.5 in 12.6 oz 350 n Aug 2014 599i
 
Olympus E-P5 4.8 in 2.7 in 1.5 in 14.8 oz 330 n May 2013 999i
 
Olympus E-M5 4.8 in 3.5 in 1.7 in 15.0 oz 360 Y Feb 2012 1,299i
 
Olympus E-PL5 4.4 in 2.5 in 1.5 in 11.5 oz 360 n Sep 2012 599i
 
Olympus E-PM2 4.3 in 2.5 in 1.3 in 9.5 oz 360 n Sep 2012 499i
 
Olympus XZ-2 4.4 in 2.6 in 1.9 in 12.2 oz 340 n Sep 2012 599i
 
Panasonic GH4 5.2 in 3.7 in 3.3 in 19.8 oz 500 Y Feb 2014 1,499i
 
Panasonic LF1 4.1 in 2.4 in 1.1 in 6.8 oz 250 n Apr 2013 499 i
 
Panasonic GH3 5.2 in 3.7 in 3.2 in 19.4 oz 540 Y Sep 2012 1,299i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

Any camera decision will obviously take relative prices into account. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The MX-1 was launched at a lower price than the E-M1, despite having a lens built in. 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.

Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Olympus E-M1 features a Four Thirds sensor and the Pentax MX-1 a 1/1.7-inch sensor. The sensor area in the MX-1 is 81 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 4.5. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

Olympus E-M1 and Pentax MX-1 sensor measures

With 15.9MP, the E-M1 offers a higher resolution than the MX-1 (12MP), but the E-M1 nevertheless has larger individual pixels (pixel pitch of 3.76μm versus 1.89μm for the MX-1) due to its larger sensor. Moreover, the E-M1 is a somewhat more recent model (by 8 months) than the MX-1, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the E-M1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Olympus E-M1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-M1 for good quality output (200 dots per inch) amounts to 23 x 17.3 inches or 58.5 x 43.9 cm, for very good quality (250 dpi) 18.4 x 13.8 inches or 46.8 x 35.1 cm, and for excellent quality (300 dpi) 15.4 x 11.5 inches or 39 x 29.3 cm. The corresponding values for the Pentax MX-1 are 20 x 15 inches or 50.8 x 38.1 cm for good quality, 16 x 12 inches or 40.6 x 30.5 cm for very good quality, and 13.3 x 10 inches or 33.9 x 25.4 cm for excellent quality prints.

The E-M1 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Olympus OM-D E-M1 has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 100-25600. The corresponding ISO settings for the Pentax MX-1 are ISO 100 to ISO 12800 (no boost).

E-M1 versus MX-1 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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. Of the two cameras under review, the E-M1 provides substantially higher image quality than the MX-1, with an overall score that is 24 points higher. This advantage is based on 2.6 bits higher color depth, 1.4 EV in additional dynamic range, and 1.9 stops in additional low light sensitivity. 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
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
 
Pentax MX-1 1/1.7 12.0 4000 30001080/30p20.411.320849
 
Canon G16 1/1.7 12.0 4000 30001080/60p21.011.723054
 
Canon G15 1/1.7 12.0 4000 30001080/24p19.911.516546
 
Nikon P7800 1/1.7 12.0 4000 30001080/30p21.211.720054
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671
 
Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972
 
Olympus E-PM2 Four Thirds 15.9 4608 34561080/30p22.712.293272
 
Olympus XZ-2 1/1.7 11.8 3968 29761080/30p20.411.321649
 
Panasonic GH4 Four Thirds 15.9 4608 34564K/30p23.212.879174
 
Panasonic LF1 1/1.7 12.0 4000 30001080/60i20.811.621152
 
Panasonic GH3 Four Thirds 15.9 4608 34561080/60p22.712.481271

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (1080/30p).

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the E-M1 has an electronic viewfinder (2360k dots), which can be very helpful when shooting in bright sunlight. In contrast, the MX-1 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Olympus E-M1, the Pentax MX-1, and comparable cameras.

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Core Features
  Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
 
Olympus E-M12360 n 3.0 1037 tilting Y 1/8000s 10.0 n Y
 
Pentax MX-1none n 3.0 920 tilting n 1/8000s 1.0 Y Y
 
Canon G16optical n 3.0 922 fixed n 1/4000s 2.2 Y Y
 
Canon G15optical n 3.0 922 fixed n 1/4000s 2.1 Y Y
 
Nikon P7800921 n 3.0 921 swivel n 1/4000s 8.0 Y Y
 
Olympus E-M1 II2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y
 
Olympus PEN-F2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y
 
Olympus E-M5 II2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y
 
Olympus E-PL7optional n 3.0 1037 tilting Y 1/4000s 8.0 n Y
 
Olympus E-P5optional n 3.0 1037 tilting Y 1/8000s 9.0 Y Y
 
Olympus E-M51440 n 3.0 610 tilting Y 1/4000s 9.0 n Y
 
Olympus E-PL5optional n 3.0 460 tilting Y 1/4000s 8.0 n Y
 
Olympus E-PM2optional n 3.0 460 fixed Y 1/4000s 8.0 n Y
 
Olympus XZ-2optional n 3.0 920 tilting Y 1/2000s 5.0 Y Y
 
Panasonic GH42359 n 3.0 1036 swivel Y 1/8000s 12.0 Y n
 
Panasonic LF1200 n 3.0 920 fixed n 1/4000s 10.0 Y Y
 
Panasonic GH31746 n 3.0 614 swivel Y 1/4000s 6.0 Y n

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The E-M1 has a touchscreen, while the MX-1 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the E-M1 is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Olympus E-M1 has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the E-M1 and the MX-1 write their files to SDXC cards. The E-M1 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the MX-1 cannot take advantage of Ultra High Speed SD cards.

Connectivity 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-M1 and Pentax MX-1 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
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Olympus E-M1YstereomonoY-micro2.0Y--
 
Pentax MX-1-stereomono--mini2.0---
 
Canon G16Ystereomono--mini2.0Y--
 
Canon G15Ystereomono--mini2.0---
 
Nikon P7800YstereomonoY-mini2.0---
 
Olympus E-M1 IIYstereomonoYYmicro3.0Y--
 
Olympus PEN-FYstereomono--micro2.0Y--
 
Olympus E-M5 IIYstereomonoY-micro2.0Y--
 
Olympus E-PL7Ystereomono--micro2.0Y--
 
Olympus E-P5Ystereomono--micro2.0Y--
 
Olympus E-M5Ystereomono--mini2.0---
 
Olympus E-PL5Ystereomono--mini2.0---
 
Olympus E-PM2Ystereomono--mini2.0---
 
Olympus XZ-2Ystereomono--mini2.0---
 
Panasonic GH4YstereomonoYYmicro2.0YY-
 
Panasonic LF1-stereomono--mini2.0YY-
 
Panasonic GH3YstereomonoYYmini2.0Y--

It is notable that the E-M1 has a hotshoe, while the MX-1 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Studio photographers will appreciate that the Olympus E-M1 (unlike the MX-1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the E-M1 and the MX-1 have been discontinued, but can regularly be found used on eBay. The E-M1 was replaced by the Olympus E-M1 II, while the MX-1 does not have a direct successor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Olympus and Pentax websites.

Review summary

So how do things add up? Which of the two cameras – the Olympus E-M1 or the Pentax MX-1 – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Olympus OM-D E-M1:

  • More detail: Offers more megapixels (15.9 vs 12MP) with a 15% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (24 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (2.6 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (1.4 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (1.9 stops ISO advantage).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 920k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster burst: Shoots at higher frequency (10 vs 1 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More flexible: Accepts interchangeable lenses, so that lens characteristics can be altered.
  • Longer lasting: Can take more shots (350 versus 290) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Is somewhat more recent (announced 8 months after the MX-1).

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Arguments in favor of the Pentax MX-1:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Ready to shoot: Has an integrated lens, whereas the E-M1 necessitates an extra lens.
  • More compact: Is smaller (122x61mm vs 130x94mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the E-M1).
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been on the market for longer (launched in January 2013).

If the number of relative strengths (bullet points above) is taken as a guide, the E-M1 is the clear winner of the match-up (22 : 7 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

E-M1 22:07 MX-1

How about other alternatives? Do the specifications of the Olympus E-M1 and the Pentax MX-1 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best Travel-Zoom Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the E-M1 and the MX-1 in practical situations. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Olympus E-M1+ +84/1004.5/54.5/54.5/5 Sep 2013 1,399i
 
Pentax MX-1..74/1004/53.5/54/5 Jan 2013 499i
 
Canon G16+..4.5/54.5/54.5/5 Aug 2013 549 i
 
Canon G15+76/1004.5/54.5/54.5/5 Sep 2012 499i
 
Nikon P7800....4/53.5/54.5/5 Sep 2013 549i
 
Olympus E-M1 II+ +85/1004.5/55/54.5/5 Sep 2016 1,999 i
 
Olympus PEN-F..82/1004.5/54.5/55/5 Jan 2016 1,199i
 
Olympus E-M5 II+ +81/1005/54.5/55/5 Feb 2015 1,099i
 
Olympus E-PL7+..5/54.5/54/5 Aug 2014 599i
 
Olympus E-P5+ +78/1004.5/54.5/55/5 May 2013 999i
 
Olympus E-M5+ +80/1004.5/55/55/5 Feb 2012 1,299i
 
Olympus E-PL5+ +..4.5/54.5/54.5/5 Sep 2012 599i
 
Olympus E-PM2..77/1005/54.5/54.5/5 Sep 2012 499i
 
Olympus XZ-2+..4.5/54/54.5/5 Sep 2012 599i
 
Panasonic GH4+ +85/1005/55/55/5 Feb 2014 1,499i
 
Panasonic LF1+..4/5..4.5/5 Apr 2013 499 i
 
Panasonic GH3+ +79/1004.5/55/54.5/5 Sep 2012 1,299i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, 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.

Olympus E-M1:
Check Ebay offers
Pentax MX-1:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Olympus E-M1 vs Pentax MX-1

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Olympus E-M1 Pentax MX-1
    Camera Type Mirrorless system camera Fixed lens compact camera
    Camera Lens Micro Four Thirds lenses 28-112mm f/1.8-2.5
    Launch Date September 2013 January 2013
    Launch Price USD 1,399 USD 499
    Sensor Specs Olympus E-M1 Pentax MX-1
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor 1/1.7" Sensor
    Sensor Size 17.3 x 13.0 mm 7.6 x 5.7 mm
    Sensor Area 224.9 mm2 43.32 mm2
    Sensor Diagonal 21.6 mm 9.5 mm
    Crop Factor 2.0x 4.5x
    Sensor Resolution 15.9 Megapixels 12 Megapixels
    Image Resolution 4608 x 3456 pixels 4000 x 3000 pixels
    Pixel Pitch 3.76 μm 1.89 μm
    Pixel Density 7.08 MP/cm2 27.70 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/30p Video 1080/30p Video
    ISO Setting 200 - 25,600 ISO 100 - 12,800 ISO
    ISO Boost 100 - 25,600 ISO no Enhancement
    DXO Sensor Quality (score) 73 49
    DXO Color Depth (bits) 23.0 20.4
    DXO Dynamic Range (EV) 12.7 11.3
    DXO Low Light (ISO) 757 208
    Screen Specs Olympus E-M1 Pentax MX-1
    Viewfinder Type Electronic viewfinder no viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.74x
    Viewfinder Resolution 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1037k dots 920k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Olympus E-M1 Pentax MX-1
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 10 shutter flaps/s 1 shutter flaps/s
    Electronic ShutterYESno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I no
    Connectivity Specs Olympus E-M1 Pentax MX-1
    External Flash Hotshoe no Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support Wifi built-in no Wifi
    Body Specs Olympus E-M1 Pentax MX-1
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type BLN-1 D-LI106
    Battery Life (CIPA)350 shots per charge290 shots per charge
    Body Dimensions 130 x 94 x 63 mm
    (5.1 x 3.7 x 2.5 in)
    122 x 61 x 51 mm
    (4.8 x 2.4 x 2.0 in)
    Camera Weight 497 g (17.5 oz) 391 g (13.8 oz)

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