Leica M10 vs Olympus E-M1
The Leica M10 (Typ 3656) and the Olympus OM-D E-M1 are two enthusiast cameras that were announced, respectively, in January 2017 and September 2013. The M10 is a rangefinder-focusing mirrorless, while the E-M1 is a mirrorless interchangeable lens camera. The cameras are based on a full frame (M10) and a Four Thirds (E-M1) sensor. The Leica has a resolution of 23.8 megapixels, whereas the Olympus provides 15.9 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.

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Going beyond this snapshot of core features and characteristics, what are the differences between the Leica M10 (Typ 3656) and the Olympus OM-D E-M1? 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 side-by-side display below illustrates the physical size and weight of the Leica M10 and the Olympus E-M1. 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 dimensions are rounded to the nearest millimeter.
Both cameras are available in two different colors (black, silver).



If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M1 is notably larger (10 percent) than the Leica M10. However, the E-M1 is markedly lighter (25 percent) than the M10. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.
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 compare the optics available for the two cameras in the Leica M Lens Catalog (M10) and the Micro Four Thirds Lens Catalog (E-M1).
Concerning battery life, the M10 gets 210 shots out of its Leica BP-SCL5 battery, while the E-M1 can take 350 images on a single charge of its Olympus BLN-1 power pack.
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, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

| Camera Model |
Camera Width |
Camera Height |
Camera Depth |
Camera Weight |
Battery Life |
Weather Sealing |
Camera Launch |
Launch Price |
Street Price |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Leica M10 | 139 mm | 80 mm | 39 mm | 660 g | 210 | Y | Jan 2017 | US$ 6 599 | ebay.com | |
| 2. | Olympus E-M1 | 130 mm | 94 mm | 63 mm | 497 g | 350 | Y | Sep 2013 | US$ 1 399 | ebay.com | |
| 3. | Canon 1D X Mark II | 158 mm | 168 mm | 83 mm | 1530 g | 1210 | Y | Feb 2016 | US$ 5 999 | ebay.com | |
| 4. | Canon 80D | 139 mm | 105 mm | 79 mm | 730 g | 960 | Y | Feb 2016 | US$ 1 199 | ebay.com | |
| 5. | Leica M Typ 240 | 139 mm | 80 mm | 42 mm | 680 g | 500 | Y | Sep 2012 | US$ 6 949 | ebay.com | |
| 6. | Leica M Typ 262 | 139 mm | 80 mm | 42 mm | 680 g | 400 | Y | Nov 2015 | US$ 5 195 | ebay.com | |
| 7. | Leica M8 | 139 mm | 80 mm | 37 mm | 591 g | 550 | n | Sep 2006 | US$ 5 499 | ebay.com | |
| 8. | Leica M9 | 139 mm | 80 mm | 37 mm | 585 g | 550 | n | Sep 2009 | US$ 7 999 | ebay.com | |
| 9. | Leica M10-P | 139 mm | 80 mm | 39 mm | 660 g | 210 | Y | Aug 2018 | US$ 7 999 | ebay.com | |
| 10. | Leica M11 | 139 mm | 80 mm | 39 mm | 640 g | 700 | Y | Jan 2022 | US$ 8 999 | amazon.com | |
| 11. | Leica Q Typ 116 | 130 mm | 80 mm | 93 mm | 640 g | 300 | n | Jun 2015 | US$ 4 249 | ebay.com | |
| 12. | Nikon D5 | 160 mm | 159 mm | 92 mm | 1415 g | 3780 | Y | Jan 2016 | US$ 6 499 | ebay.com | |
| 13. | Olympus E-M1 II | 134 mm | 91 mm | 67 mm | 574 g | 440 | Y | Sep 2016 | US$ 1 999 | ebay.com | |
| 14. | Olympus E-M5 | 122 mm | 89 mm | 43 mm | 425 g | 360 | Y | Feb 2012 | US$ 1 299 | ebay.com | |
| 15. | Olympus E-M5 II | 124 mm | 85 mm | 45 mm | 469 g | 310 | Y | Feb 2015 | US$ 1 099 | ebay.com | |
| 16. | Olympus E-P5 | 122 mm | 69 mm | 37 mm | 420 g | 330 | n | May 2013 | US$ 999 | ebay.com | |
| 17. | Panasonic GH4 | 133 mm | 93 mm | 84 mm | 560 g | 500 | Y | Feb 2014 | US$ 1 499 | ebay.com | |
| Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders. | |||||||||||
The price is, of course, an important factor in any camera decision. 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-M1 was launched at a markedly lower price (by 79 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
The size of the sensor inside a digital camera is one of the key determinants 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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its 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 Leica M10 features a full frame sensor and the Olympus E-M1 a Four Thirds sensor. The sensor area in the E-M1 is 74 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 2.0. The sensor in the M10 has a native 3:2 aspect ratio, while the one in the E-M1 offers a 4:3 aspect.

With 23.8MP, the M10 offers a higher resolution than the E-M1 (15.9MP), but the M10 nevertheless has larger individual pixels (pixel pitch of 6.00μm versus 3.76μm for the E-M1) due to its larger sensor. Moreover, the M10 is a much more recent model (by 3 years and 4 months) than the E-M1, and its sensor will 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 neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.
The resolution advantage of the Leica M10 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the M10 for good quality output (200 dots per inch) amounts to 29.8 x 20 inches or 75.6 x 50.7 cm, for very good quality (250 dpi) 23.8 x 16 inches or 60.5 x 40.6 cm, and for excellent quality (300 dpi) 19.8 x 13.3 inches or 50.4 x 33.8 cm. The corresponding values for the Olympus E-M1 are 23 x 17.3 inches or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inches or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inches or 39 x 29.3 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 Leica M10 (Typ 3656) has a native sensitivity range from ISO 100 to ISO 50000. The corresponding ISO settings for the Olympus OM-D E-M1 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.
Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

For many cameras, data on sensor performance has been reported by DXO Mark. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under review, the M10 provides substantially higher image quality than the E-M1, with an overall score that is 13 points higher. This advantage is based on 1.4 bits higher color depth, 0.5 EV in additional dynamic range, and 1.5 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

| Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports |
DXO Overall |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Leica M10 | Full Frame | 23.8 | 5952 | 3992 | none | 24.4 | 13.2 | 2133 | 86 | |
| 2. | Olympus E-M1 | Four Thirds | 15.9 | 4608 | 3456 | 1080/30p | 23.0 | 12.7 | 757 | 73 | |
| 3. | Canon 1D X Mark II | Full Frame | 20.0 | 5472 | 3648 | 4K/60p | 24.1 | 13.5 | 3207 | 88 | |
| 4. | Canon 80D | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 23.6 | 13.2 | 1135 | 79 | |
| 5. | Leica M Typ 240 | Full Frame | 23.7 | 5952 | 3976 | 1080/25p | 24.0 | 13.3 | 1860 | 84 | |
| 6. | Leica M Typ 262 | Full Frame | 23.7 | 5952 | 3976 | none | 24.8 | 13.7 | 2478 | 90 | |
| 7. | Leica M8 | APS-H | 10.4 | 3936 | 2630 | none | 21.1 | 11.3 | 663 | 59 | |
| 8. | Leica M9 | Full Frame | 18.1 | 5212 | 3472 | none | 22.5 | 11.7 | 884 | 69 | |
| 9. | Leica M10-P | Full Frame | 23.8 | 5952 | 3992 | none | 25.1 | 14.1 | 2739 | 93 | |
| 10. | Leica M11 | Full Frame | 60.3 | 9528 | 6328 | none | 26.3 | 14.8 | 3376 | 100 | |
| 11. | Leica Q Typ 116 | Full Frame | 24.0 | 6000 | 4000 | 1080/60p | 24.3 | 12.7 | 2221 | 85 | |
| 12. | Nikon D5 | Full Frame | 20.7 | 5588 | 3712 | 4K/30p | 25.1 | 12.3 | 2343 | 88 | |
| 13. | Olympus E-M1 II | Four Thirds | 20.2 | 5184 | 3888 | 4K/30p | 23.7 | 12.8 | 1312 | 80 | |
| 14. | Olympus E-M5 | Four Thirds | 15.9 | 4608 | 3456 | 1080/60i | 22.8 | 12.3 | 826 | 71 | |
| 15. | Olympus E-M5 II | Four Thirds | 15.9 | 4608 | 3456 | 1080/60p | 23.0 | 12.5 | 842 | 73 | |
| 16. | Olympus E-P5 | Four Thirds | 15.9 | 4608 | 3456 | 1080/30p | 22.8 | 12.4 | 895 | 72 | |
| 17. | Panasonic GH4 | Four Thirds | 15.9 | 4608 | 3456 | 4K/30p | 23.2 | 12.8 | 791 | 74 | |
| 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-M1 indeed provides for movie recording, while the M10 does not. The highest resolution format that the E-M1 can use is 1080/30p.
Feature comparison
Apart from body and sensor, cameras can and do differ across a range of features. For example, the E-M1 has an electronic viewfinder (2360k dots), while the M10 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the E-M1 has a higher magnification than the one of the M10 (0.74x vs 0.73x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Leica M10 and Olympus E-M1 along with similar information for a selection of comparators.

| 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. | Leica M10 | optical | n | 3.0 / 1037 | fixed | n | 1/4000s | 5.0/s | n | n | |
| 2. | Olympus E-M1 | 2360 | n | 3.0 / 1037 | tilting | Y | 1/8000s | 10.0/s | n | Y | |
| 3. | Canon 1D X Mark II | optical | Y | 3.2 / 1620 | fixed | Y | 1/8000s | 16.0/s | n | n | |
| 4. | Canon 80D | optical | Y | 3.0 / 1040 | swivel | Y | 1/8000s | 7.0/s | Y | n | |
| 5. | Leica M Typ 240 | optical | n | 3.0 / 920 | fixed | n | 1/4000s | 3.0/s | n | n | |
| 6. | Leica M Typ 262 | optical | n | 3.0 / 921 | fixed | n | 1/4000s | 3.0/s | n | n | |
| 7. | Leica M8 | optical | n | 2.5 / 230 | fixed | n | 1/8000s | 2.0/s | n | n | |
| 8. | Leica M9 | optical | n | 2.5 / 230 | fixed | n | 1/4000s | 2.0/s | n | n | |
| 9. | Leica M10-P | optical | n | 3.0 / 1037 | fixed | Y | 1/4000s | 5.0/s | n | n | |
| 10. | Leica M11 | optical | n | 3.0 / 2333 | fixed | Y | 1/4000s | 4.5/s | n | n | |
| 11. | Leica Q Typ 116 | 3680 | n | 3.0 / 1040 | fixed | Y | 1/2000s | 10.0/s | n | Y | |
| 12. | Nikon D5 | optical | Y | 3.2 / 2359 | fixed | Y | 1/8000s | 14.0/s | n | n | |
| 13. | Olympus E-M1 II | 2360 | n | 3.0 / 1037 | swivel | Y | 1/8000s | 18.0/s | n | Y | |
| 14. | Olympus E-M5 | 1440 | n | 3.0 / 610 | tilting | Y | 1/4000s | 9.0/s | n | Y | |
| 15. | Olympus E-M5 II | 2360 | n | 3.0 / 1037 | swivel | Y | 1/8000s | 10.0/s | n | Y | |
| 16. | Olympus E-P5 | optional | n | 3.0 / 1037 | tilting | Y | 1/8000s | 9.0/s | Y | Y | |
| 17. | Panasonic GH4 | 2359 | n | 3.0 / 1036 | swivel | Y | 1/8000s | 12.0/s | Y | n | |
| Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one. | |||||||||||
One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The E-M1 has a touchscreen, while the M10 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 Leica M10 and the Olympus E-M1 both have 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 M10 and the E-M1 write their files to SDXC cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.
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 Leica M10 (Typ 3656) and Olympus OM-D E-M1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

| Camera Model |
Hotshoe Port |
Internal Mic / Speaker |
Microphone Port |
Headphone Port |
HDMI Port |
USB Port |
WiFi Support |
NFC Support |
Bluetooth Support |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Leica M10 | Y | - / - | - | - | - | - | Y | - | - | |
| 2. | Olympus E-M1 | Y | stereo / mono | Y | - | micro | 2.0 | Y | - | - | |
| 3. | Canon 1D X Mark II | Y | mono / mono | Y | Y | mini | 3.0 | - | - | - | |
| 4. | Canon 80D | Y | stereo / mono | Y | Y | mini | 2.0 | Y | Y | - | |
| 5. | Leica M Typ 240 | Y | stereo / mono | - | - | - | 2.0 | - | - | - | |
| 6. | Leica M Typ 262 | Y | - / - | - | - | - | 2.0 | - | - | - | |
| 7. | Leica M8 | Y | - / - | - | - | - | 2.0 | - | - | - | |
| 8. | Leica M9 | Y | - / - | - | - | - | 2.0 | - | - | - | |
| 9. | Leica M10-P | Y | - / - | - | - | - | - | Y | - | - | |
| 10. | Leica M11 | Y | - / - | - | - | - | 3.2 | Y | - | Y | |
| 11. | Leica Q Typ 116 | Y | stereo / mono | - | - | micro | 2.0 | Y | Y | - | |
| 12. | Nikon D5 | Y | stereo / mono | Y | Y | mini | 3.0 | - | - | - | |
| 13. | Olympus E-M1 II | Y | stereo / mono | Y | Y | micro | 3.0 | Y | - | - | |
| 14. | Olympus E-M5 | Y | stereo / mono | - | - | mini | 2.0 | - | - | - | |
| 15. | Olympus E-M5 II | Y | stereo / mono | Y | - | micro | 2.0 | Y | - | - | |
| 16. | Olympus E-P5 | Y | stereo / mono | - | - | micro | 2.0 | Y | - | - | |
| 17. | Panasonic GH4 | Y | stereo / mono | Y | Y | micro | 2.0 | Y | Y | - |
Studio photographers will appreciate that the Olympus E-M1 (unlike the M10) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Both the M10 and the E-M1 have been discontinued, but can regularly be found used on ebay. The E-M1 was replaced by the Olympus E-M1 II, while the M10 was followed by the Leica M11. Further information on the features and operation of the M10 and E-M1 can be found, respectively, in the Leica M10 Manual (free pdf) or the online Olympus E-M1 Manual.
Review summary
So what is the bottom line? Which of the two cameras – the Leica M10 or the Olympus E-M1 – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

Arguments in favor of the Leica M10 (Typ 3656):
- More detail: Offers more megapixels (23.8 vs 15.9MP) with a 24% higher linear resolution.
- Better image quality: Scores substantially higher (13 points) in the DXO overall assessment.
- Richer colors: Generates images with noticeably better colors (1.4 bits more color depth).
- Better low-light sensitivity: Requires less light for good images (1.5 stops ISO advantage).
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- More prestigious: Has the Leica luxury appeal, which ensures a high resale price.
- More modern: Reflects 3 years and 4 months of technical progress since the E-M1 launch.

Advantages of the Olympus OM-D E-M1:
- Broader imaging potential: Can capture not only stills but also 1080/30p video.
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- More framing info: Has an electronic viewfinder that displays shooting data.
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.74x vs 0.73x).
- More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
- Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Faster burst: Shoots at higher frequency (10 vs 5 flaps/sec) to capture the decisive moment.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- Less heavy: Has a lower weight (by 163g or 25 percent) and is thus easier to take along.
- Longer lasting: Gets more shots (350 versus 210) out of a single battery charge.
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- More affordable: Was introduced into a lower priced category (79 percent cheaper at launch).
- More heavily discounted: Has been around for much longer (launched in September 2013).
If the number of relative strengths (bullet points above) is taken as a guide, the E-M1 is the clear winner of the contest (15 : 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.
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 M10 and the E-M1 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 where reviews by experts come in. The following table reports the overall ratings 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]). 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.

| Camera Model |
AP score |
CL score |
DCW score |
DPR score |
EPZ score |
PB score |
Camera Launch |
Launch Price |
Street Price |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Leica M10 | 4.5/5 | .. | .. | .. | 4/5 | 4.5/5 | Jan 2017 | US$ 6 599 | ebay.com | |
| 2. | Olympus E-M1 | 5/5 | + + | .. | 84/100 | 4.5/5 | 4.5/5 | Sep 2013 | US$ 1 399 | ebay.com | |
| 3. | Canon 1D X Mark II | .. | .. | 4.5/5 | 89/100 | 4.5/5 | 4.5/5 | Feb 2016 | US$ 5 999 | ebay.com | |
| 4. | Canon 80D | 4/5 | + + | 4.5/5 | 84/100 | 4.5/5 | 4.5/5 | Feb 2016 | US$ 1 199 | ebay.com | |
| 5. | Leica M Typ 240 | 4/5 | .. | .. | .. | 4/5 | .. | Sep 2012 | US$ 6 949 | ebay.com | |
| 6. | Leica M Typ 262 | .. | .. | .. | .. | .. | .. | Nov 2015 | US$ 5 195 | ebay.com | |
| 7. | Leica M8 | .. | .. | .. | + + | .. | .. | Sep 2006 | US$ 5 499 | ebay.com | |
| 8. | Leica M9 | .. | .. | .. | .. | 4.5/5 | .. | Sep 2009 | US$ 7 999 | ebay.com | |
| 9. | Leica M10-P | .. | .. | 3/5 | .. | .. | 4/5 | Aug 2018 | US$ 7 999 | ebay.com | |
| 10. | Leica M11 | 4.5/5 | .. | 4.5/5 | .. | 4.5/5 | 4.5/5 | Jan 2022 | US$ 8 999 | amazon.com | |
| 11. | Leica Q Typ 116 | 5/5 | .. | .. | 80/100 | 4.5/5 | 4.5/5 | Jun 2015 | US$ 4 249 | ebay.com | |
| 12. | Nikon D5 | .. | .. | 4/5 | 89/100 | 4.5/5 | 5/5 | Jan 2016 | US$ 6 499 | ebay.com | |
| 13. | Olympus E-M1 II | 5/5 | + + | 5/5 | 85/100 | 4.5/5 | 4.5/5 | Sep 2016 | US$ 1 999 | ebay.com | |
| 14. | Olympus E-M5 | 4/5 | + + | .. | 80/100 | 4.5/5 | 5/5 | Feb 2012 | US$ 1 299 | ebay.com | |
| 15. | Olympus E-M5 II | 5/5 | + + | 4.5/5 | 81/100 | 5/5 | 5/5 | Feb 2015 | US$ 1 099 | ebay.com | |
| 16. | Olympus E-P5 | 5/5 | + + | .. | 78/100 | 4.5/5 | 5/5 | May 2013 | US$ 999 | ebay.com | |
| 17. | Panasonic GH4 | 5/5 | + + | .. | 85/100 | 5/5 | 5/5 | Feb 2014 | US$ 1 499 | ebay.com | |
| Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available. | |||||||||||
Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Check M10 offers at
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Other camera comparisons
Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
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- Leica M10 vs Sony A68
- Leica M10 vs Sony RX100 IV
- Olympus E-M1 vs Olympus E-PM1
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- Olympus E-M1 vs Samsung NX1
- Olympus E-M1 vs Sony A5100
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Specifications: Leica M10 vs Olympus E-M1
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 Model | Leica M10 | Olympus E-M1 |
|---|---|---|
| Camera Type | Rangefinder camera | Mirrorless system camera |
| Camera Lens | Leica M mount lenses | Micro Four Thirds lenses |
| Launch Date | January 2017 | September 2013 |
| Launch Price | USD 6,599 | USD 1,399 |
| Sensor Specs | Leica M10 | Olympus E-M1 |
| Sensor Technology | CMOS | CMOS |
| Sensor Format | Full Frame Sensor | Four Thirds Sensor |
| Sensor Size | 35.8 x 23.9 mm | 17.3 x 13.0 mm |
| Sensor Area | 855.62 mm2 | 224.9 mm2 |
| Sensor Diagonal | 43 mm | 21.6 mm |
| Crop Factor | 1.0x | 2.0x |
| Sensor Resolution | 23.8 Megapixels | 15.9 Megapixels |
| Image Resolution | 5952 x 3992 pixels | 4608 x 3456 pixels |
| Pixel Pitch | 6.00 μm | 3.76 μm |
| Pixel Density | 2.78 MP/cm2 | 7.08 MP/cm2 |
| Moiré control | no AA filter | no AA filter |
| Movie Capability | no Video | 1080/30p Video |
| ISO Setting | 100 - 50,000 ISO | 200 - 25,600 ISO |
| ISO Boost | no Enhancement | 100 - 25,600 ISO |
| Image Processor | Maestro II | TruePIC VII |
| DXO Sensor Quality (score) | 86 | 73 |
| DXO Color Depth (bits) | 24.4 | 23.0 |
| DXO Dynamic Range (EV) | 13.2 | 12.7 |
| DXO Low Light (ISO) | 2133 | 757 |
| Screen Specs | Leica M10 | Olympus E-M1 |
| Viewfinder Type | Optical viewfinder | Electronic viewfinder |
| Viewfinder Field of View | 100% | 100% |
| Viewfinder Magnification | 0.73x | 0.74x |
| Viewfinder Resolution | 2360k dots | |
| LCD Framing | Live View | Live View |
| Rear LCD Size | 3.0inch | 3.0inch |
| LCD Resolution | 1037k dots | 1037k dots |
| LCD Attachment | Fixed screen | Tilting screen |
| Touch Input | no Touchscreen | Touchscreen |
| Shooting Specs | Leica M10 | Olympus E-M1 |
| Focus System | Manual Focus | On-Sensor Phase-detect |
| Manual Focusing Aid | Focus Peaking | Focus Peaking |
| Max Shutter Speed (mechanical) | 1/4000s | 1/8000s |
| Continuous Shooting | 5 shutter flaps/s | 10 shutter flaps/s |
| Electronic Shutter | no E-Shutter | YES |
| Time-Lapse Photography | Intervalometer built-in | Intervalometer built-in |
| Image Stabilization | no shake reduction | In-body stabilization |
| Fill Flash | no On-Board Flash | no On-Board Flash |
| Storage Medium | SDXC cards | SDXC cards |
| Single or Dual Card Slots | Single card slot | Single card slot |
| UHS card support | UHS-I | UHS-I |
| Connectivity Specs | Leica M10 | Olympus E-M1 |
| External Flash | Hotshoe | Hotshoe |
| Studio Flash | no PC Sync | PC Sync socket |
| USB Connector | no USB | USB 2.0 |
| HDMI Port | no HDMI | micro HDMI |
| Microphone Port | no MIC socket | External MIC port |
| Wifi Support | Wifi built-in | Wifi built-in |
| Body Specs | Leica M10 | Olympus E-M1 |
| Environmental Sealing | Weathersealed body | Weathersealed body |
| Battery Type | Leica BP-SCL5 | Olympus BLN-1 |
| Battery Life (CIPA) | 210 shots per charge | 350 shots per charge |
| Body Dimensions |
139 x 80 x 39 mm (5.5 x 3.1 x 1.5 in) |
130 x 94 x 63 mm (5.1 x 3.7 x 2.5 in) |
| Camera Weight | 660 g (23.3 oz) | 497 g (17.5 oz) |

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