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Olympus E-P1 versus Leica M10

The Olympus PEN E-P1 and the Leica M10 (Typ 3656) are two enthusiast cameras that were announced, respectively, in June 2009 and January 2017. The E-P1 is a mirrorless interchangeable lens camera, while the M10 is a rangefinder-style mirrorless. The cameras are based on a Four Thirds (E-P1) and a full frame (M10) sensor. The Olympus has a resolution of 12.2 megapixel, whereas the Leica provides 23.8 MP. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Olympus E-P1 vs Leica M10

An illustration of the physical size and weight of the Olympus E-P1 and the Leica M10 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter. You can also use the toggle button to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left – the E-P1 – represents the basis or 100 percent across all the size and weight measures).

Compare Olympus E-P1 vs Leica M10
Compare E-P1 versus M10 top
Compare E-P1 and M10 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Leica M10 is notably larger (31 percent) than the Olympus E-P1. Moreover, the M10 is substantially heavier (86 percent) than the E-P1. In this context, it is worth noting that neither the E-P1 nor the M10 are weather-sealed.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can find an overview of optics for the two cameras in the Micro Four Thirds Lens Catalog (E-P1) and the Leica M Lens Catalog (M10).

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Olympus E-P1» 4.8 in 2.8 in 1.4 in 12.5 oz 300 n Jun 2009 799- i Olympus E-P1
Leica M10« 5.5 in 3.1 in 1.5 in 23.3 oz 210 n Jan 2017 6,595 i i Leica M10
Canon 6D Mark II« » 5.7 in 4.4 in 3.0 in 27.0 oz 1200 Y Jun 2017 1,999 i i Canon 6D Mark II
Leica M10-P« » 5.5 in 3.1 in 1.5 in 23.3 oz 210 n Aug 2018 7,995 i i Leica M10-P
Leica M Typ 262« » 5.5 in 3.1 in 1.7 in 24.0 oz .. Y Nov 2015 5,195- i Leica M Typ 262
Leica Q Typ 116« » 5.1 in 3.1 in 3.7 in 22.6 oz 300 n Jun 2015 4,249 i i Leica Q Typ 116
Leica M Typ 240« » 5.5 in 3.1 in 1.7 in 24.0 oz .. Y Sep 2012 6,950- i Leica M Typ 240
Olympus E-P3« » 4.8 in 2.7 in 1.3 in 13.0 oz 330 n Jun 2011 799- i Olympus E-P3
Olympus E-PL2« » 4.5 in 2.8 in 1.7 in 12.8 oz 280 n Jan 2011 599- i Olympus E-PL2
Olympus E-PL3« » 4.3 in 2.5 in 1.5 in 11.0 oz 300 n Jun 2011 599- i Olympus E-PL3
Olympus E-PM1« » 4.3 in 2.5 in 1.3 in 9.3 oz 330 n Jun 2011 499- i Olympus E-PM1
Olympus E-PL1« » 4.5 in 2.8 in 1.7 in 11.8 oz 290 n Feb 2010 599- i Olympus E-PL1
Olympus E-620« » 5.1 in 3.7 in 2.4 in 18.4 oz 500 n Feb 2009 699- i Olympus E-620
Olympus E-P2« » 4.8 in 2.8 in 1.4 in 12.5 oz 300 n Nov 2009 799- i Olympus E-P2
Olympus E-520« » 5.4 in 3.6 in 2.7 in 18.9 oz 750 n May 2008 699- i Olympus E-520
Panasonic G10« » 4.9 in 3.3 in 2.9 in 13.7 oz 380 n Mar 2010 499- i Panasonic G10
Panasonic GF1« » 4.7 in 2.8 in 1.4 in 13.6 oz 380 n Sep 2009 749- i Panasonic GF1

The camera’s price is obviously a critical decision-making factor. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The E-P1 was launched at a markedly lower price (by 88 percent) than the M10, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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: Olympus E-P1 vs Leica M10

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units 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-P1 features a Four Thirds sensor and the Leica M10 a full frame sensor. The sensor area in the M10 is 280 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.0. The sensor in the E-P1 has a native 4:3 aspect ratio, while the one in the M10 offers a 3:2 aspect.

Olympus E-P1 and Leica M10 sensor measures

With 23.8MP, the M10 offers a higher resolution than the E-P1 (12.2MP), but the M10 nevertheless has larger individual pixels (pixel pitch of 6.00μm versus 4.29μm for the E-P1) due to its larger sensor. Moreover, the M10 is a much more recent model (by 7 years and 7 months) than the E-P1, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the M10 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

E-P1 versus M10 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 consideration, the M10 offers substantially better image quality than the E-P1 (overall score 31 points higher). The advantage is based on 3 bits higher color depth, 2.8 EV in additional dynamic range, and 2 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Olympus E-P1» Four Thirds 12.2 4032 3024720/30p21.410.453655Olympus E-P1
Leica M10« Full Frame 23.8 5952 3992-24.413.2213386Leica M10
Canon 6D Mark II« » Full Frame 26.0 6240 41601080/60p24.411.9286285Canon 6D Mark II
Leica M10-P« » Full Frame 23.8 5952 3992-----Leica M10-P
Leica M Typ 262« » Full Frame 23.7 5952 3976-----Leica M Typ 262
Leica Q Typ 116« » Full Frame 24.0 6000 40001080/60p24.312.7222185Leica Q Typ 116
Leica M Typ 240« » Full Frame 23.7 5952 39761080/25p24.013.3186084Leica M Typ 240
Olympus E-P3« » Four Thirds 12.2 4032 30241080/60i20.810.153651Olympus E-P3
Olympus E-PL2« » Four Thirds 12.2 4032 3024720/30p21.410.257355Olympus E-PL2
Olympus E-PL3« » Four Thirds 12.2 4032 30241080/60i20.910.349952Olympus E-PL3
Olympus E-PM1« » Four Thirds 12.2 4032 30241080/60i21.010.349952Olympus E-PM1
Olympus E-PL1« » Four Thirds 12.2 4032 3024720/30p21.510.148754Olympus E-PL1
Olympus E-620« » Four Thirds 12.2 4032 3024-21.310.353655Olympus E-620
Olympus E-P2« » Four Thirds 12.2 4032 3024720/30p21.510.450556Olympus E-P2
Olympus E-520« » Four Thirds 10.0 3648 2736-21.410.454855Olympus E-520
Panasonic G10« » Four Thirds 12.0 4000 3000720/30p21.210.141152Panasonic G10
Panasonic GF1« » Four Thirds 12.0 4000 3000720/30p21.210.351354Panasonic GF1

Many modern cameras cannot only take still pictures, but also record videos. The E-P1 indeed provides movie recording capabilities, while the M10 does not. The highest resolution format that the E-P1 can use is 720/30p.

 

Feature comparison: Olympus E-P1 vs Leica M10

Beyond body and sensor, cameras can and do differ across a range of features. For example, the M10 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the E-P1 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-P1, the Leica M10, and comparable cameras. If you need more detail on the specs, you can find comprehensive listings, for example, in the dpreview camera hub.

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)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec)
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Camera
Model
Olympus E-P1»- n 3.0 230 fixed n 4000 3.0 n Y Olympus E-P1
Leica M10«optical n 3.0 1037 fixed n 4000 5.0 n n Leica M10
Canon 6D Mark II« »optical Y 3.0 1040 swivel Y 4000 6.5 n n Canon 6D Mark II
Leica M10-P« »optical n 3.0 1037 fixed Y 4000 5.0 n n Leica M10-P
Leica M Typ 262« »optical n 3.0 921 fixed n 4000 3.0 n n Leica M Typ 262
Leica Q Typ 116« »3680 n 3.0 1040 fixed Y 2000 10.0 n n Leica Q Typ 116
Leica M Typ 240« »optical n 3.0 920 fixed n 4000 3.0 n n Leica M Typ 240
Olympus E-P3« »- n 3.0 614 fixed Y 4000 3.0 Y Y Olympus E-P3
Olympus E-PL2« »- n 3.0 460 fixed n 4000 3.0 Y Y Olympus E-PL2
Olympus E-PL3« »- n 3.0 460 tilting n 4000 5.5 n Y Olympus E-PL3
Olympus E-PM1« »- n 3.0 460 fixed n 4000 5.5 n Y Olympus E-PM1
Olympus E-PL1« »- n 2.7 230 fixed n 2000 3.0 Y Y Olympus E-PL1
Olympus E-620« »optical n 2.7 230 swivel n 4000 4.0 Y Y Olympus E-620
Olympus E-P2« »- n 3.0 230 fixed n 4000 3.0 n Y Olympus E-P2
Olympus E-520« »optical n 2.7 215 fixed n 4000 3.5 Y Y Olympus E-520
Panasonic G10« »202 n 3.0 460 fixed n 4000 2.6 Y n Panasonic G10
Panasonic GF1« »- n 3.0 460 fixed n 4000 3.0 Y n Panasonic GF1

The E-P1 writes its imaging data to SDHC cards, while the M10 uses SDXC cards.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
Olympus E-P1»Ystereo---mini2.0---Olympus E-P1
Leica M10«Y------Y--Leica M10
Canon 6D Mark II« »YstereomonoY-mini2.0YYYCanon 6D Mark II
Leica M10-P« »Y------Y--Leica M10-P
Leica M Typ 262« »Y-----2.0---Leica M Typ 262
Leica Q Typ 116« »Ystereomono--micro2.0YY-Leica Q Typ 116
Leica M Typ 240« »Ystereomono---2.0Y--Leica M Typ 240
Olympus E-P3« »Ystereo---mini2.0---Olympus E-P3
Olympus E-PL2« »Ystereo---mini2.0---Olympus E-PL2
Olympus E-PL3« »Ystereo---mini2.0---Olympus E-PL3
Olympus E-PM1« »Ystereomono--mini2.0---Olympus E-PM1
Olympus E-PL1« »Ystereo---mini2.0---Olympus E-PL1
Olympus E-620« »Y-----2.0---Olympus E-620
Olympus E-P2« »Ystereo---mini2.0---Olympus E-P2
Olympus E-520« »Y-----2.0---Olympus E-520
Panasonic G10« »Ymono---mini2.0---Panasonic G10
Panasonic GF1« »Ymonomono--mini2.0---Panasonic GF1

The M10 is a current model that online retailers, such as amazon, will have in stock. In contrast, the E-P1 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the E-P1 was succeeded by the Olympus E-P2.

Review summary: Olympus E-P1 vs Leica M10

So what conclusions can be drawn? Which of the two cameras – the Olympus E-P1 or the Leica M10 – has the upper hand? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Olympus PEN E-P1:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Broader imaging potential: Can record not only still images but also 720/30p movies.
  • More compact: Is smaller (121x70mm vs 139x80mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 305g or 46 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (300 versus 210) on a single battery charge.
  • Sharper images: Has hand-shake reducing image stabilization build-in.
  • More affordable: Was introduced into a lower priced category (88 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in June 2009).

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Reasons to prefer the Leica M10 (Typ 3656):

  • More detail: Has more megapixels (23.8 vs 12.2MP), which boosts linear resolution by 42%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (31 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (3 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.8 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2 stops ISO advantage).
  • Easier framing: Has an optical viewfinder for image framing and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 230k dots).
  • Faster burst: Shoots at higher frequency (5 vs 3 flaps/sec) to capture the decisive moment.
  • Easier file upload: Has wifi build in for automatic backup or image transfer to the web.
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale value.
  • More modern: Reflects 7 years and 7 months of technical progress since the E-P1 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the M10 is the clear winner of the contest (12 : 8 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera.

E-P1 08:12 M10

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it says nothing about, for example, the handling, responsiveness, and overall imaging quality of the E-P1 and the M10 in practical situations. 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 table below summarizes the assessments of some of the best known camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). You can find the full text of the reviews by clicking on the site logo in the table header.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Olympus E-P1»Rec66/1004/54/54.5/5 Jun 2009 799- i Olympus E-P1
Leica M10«--4/5-4.5/5 Jan 2017 6,595 i i Leica M10
Canon 6D Mark II« »Rec80/1004.5/54/54/5 Jun 2017 1,999 i i Canon 6D Mark II
Leica M10-P« »----4/5 Aug 2018 7,995 i i Leica M10-P
Leica M Typ 262« »----- Nov 2015 5,195- i Leica M Typ 262
Leica Q Typ 116« »-80/1004.5/5-4.5/5 Jun 2015 4,249 i i Leica Q Typ 116
Leica M Typ 240« »--4/5-- Sep 2012 6,950- i Leica M Typ 240
Olympus E-P3« »83/10074/1004.5/54.5/54.5/5 Jun 2011 799- i Olympus E-P3
Olympus E-PL2« »83/10071/1004.5/54.5/54.5/5 Jan 2011 599- i Olympus E-PL2
Olympus E-PL3« »HiRec72/1004.5/5-4/5 Jun 2011 599- i Olympus E-PL3
Olympus E-PM1« »86/10071/1004.5/5-4.5/5 Jun 2011 499- i Olympus E-PM1
Olympus E-PL1« »86/10069/1004/54.5/54.5/5 Feb 2010 599- i Olympus E-PL1
Olympus E-620« »88/10072/1004.5/5rev5/5 Feb 2009 699- i Olympus E-620
Olympus E-P2« »Rec69/1004/54.5/54.5/5 Nov 2009 799- i Olympus E-P2
Olympus E-520« »87/100HiRec4.5/54/54.5/5 May 2008 699- i Olympus E-520
Panasonic G10« »-70/1004/5-4/5 Mar 2010 499- i Panasonic G10
Panasonic GF1« »85/10069/1004.5/54.5/54.5/5 Sep 2009 749- i Panasonic GF1

The review scores listed above should be treated 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. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

 

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored. If the camera you are interested in is not available, please send me an email, and I will try to update the database with the necessary infos.

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