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Leica S3 vs Panasonic GM1

The Leica S3 and the Panasonic Lumix DMC-GM1 are two digital cameras that were revealed to the public, respectively, in September 2018 and October 2013. The S3 is a DSLR, while the GM1 is a mirrorless interchangeable lens camera. The cameras are based on a medium format (S3) and a Four Thirds (GM1) sensor. The Leica has a resolution of 64 megapixels, whereas the Panasonic provides 15.8 MP.

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

Headline Specifications
Leica S3 VS Panasonic GM1
Leica S3 Panasonic GM1
Digital single lens reflex Mirrorless system camera
Leica S mount lenses Micro Four Thirds lenses
64 MP, Medium Format Sensor 15.8 MP, Four Thirds Sensor
4K/24p Video 1080/60i Video
ISO 100-50000 ISO 200-25600
Optical viewfinder No viewfinder, LCD framing
3.0" LCD, 922k dots 3.0" LCD, 1036k dots
Fixed screen (not touch-sensitive) Fixed touchscreen
3 shutter flaps per second 5 shutter flaps per second
Weathersealed bodyNot weather sealed
160 x 120 x 80 mm, 1260 g 99 x 55 x 30 mm, 204 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Leica S3 and the Panasonic Lumix DMC-GM1? 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 Leica S3 and the Panasonic GM1 are illustrated 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 measures are rounded to the nearest millimeter.

The GM1 can be obtained in three different colors (black, silver, red), while the S3 is only available in black.

Size Leica S3 vs Panasonic GM1
Compare S3 versus GM1 top
Comparison S3 or GM1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GM1 is considerably smaller (72 percent) than the Leica S3. Moreover, the GM1 is substantially lighter (84 percent) than the S3. It is worth mentioning in this context that the S3 is splash and dust resistant, while the GM1 does not feature any corresponding weather-sealing.

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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras 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)
Camera
Model
 
Leica S3» 160 mm 120 mm 80 mm 1260 g .. Y Sep 2018 18,995 iLeica S3
 
Panasonic GM1« 99 mm 55 mm 30 mm 204 g 230 n Oct 2013 749iPanasonic GM1
 
Leica Q2« » 130 mm 80 mm 92 mm 718 g 370 Y Mar 2019 4,995 iLeica Q2
 
Leica M-E Typ 240« » 139 mm 80 mm 42 mm 680 g .. Y Jun 2019 3,999 iLeica M-E Typ 240
 
Leica M10-P« » 139 mm 80 mm 39 mm 660 g 210 Y Aug 2018 7,995 iLeica M10-P
 
Leica M10« » 139 mm 80 mm 39 mm 660 g 210 Y Jan 2017 6,595 iLeica M10
 
Leica S-E Typ 006« » 160 mm 120 mm 80 mm 1260 g .. Y Sep 2014 16,900iLeica S-E Typ 006
 
Leica S Typ 007« » 160 mm 120 mm 80 mm 1260 g .. Y Sep 2014 24,490 iLeica S Typ 007
 
Leica S Typ 006« » 160 mm 120 mm 80 mm 1260 g .. Y Sep 2012 21,950iLeica S Typ 006
 
Leica S2« » 160 mm 120 mm 80 mm 1410 g .. Y Sep 2008 22,995iLeica S2
 
Nikon D6« » 160 mm 163 mm 92 mm 1270 g 3580 Y Feb 2020 6,499 iNikon D6
 
Panasonic GM5« » 99 mm 60 mm 36 mm 211 g 220 n Sep 2014 749iPanasonic GM5
 
Panasonic G6« » 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599iPanasonic G6
 
Panasonic GX1« » 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 699iPanasonic GX1
 
Panasonic GH2« » 124 mm 90 mm 76 mm 442 g 330 n Sep 2010 899iPanasonic GH2
 
Ricoh GR« » 117 mm 61 mm 35 mm 245 g 290 n Apr 2013 799iRicoh GR
 
Sony RX10 IV« » 133 mm 94 mm 145 mm 1095 g 400 Y Sep 2017 1,699 iSony RX10 IV
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. 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 GM1 was launched at a markedly lower price (by 96 percent) than the S3, which puts it into a different market segment. 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 size of the sensor inside a digital camera is one of the key determinants 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. 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 S3 features a medium format sensor and the Panasonic GM1 a Four Thirds sensor. The sensor area in the GM1 is 83 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.8 and 2.0. The sensor in the S3 has a native 3:2 aspect ratio, while the one in the GM1 offers a 4:3 aspect.

Leica S3 and Panasonic GM1 sensor measures

With 64MP, the S3 offers a higher resolution than the GM1 (15.8MP), but the S3 nevertheless has larger individual pixels (pixel pitch of 4.59μm versus 3.77μm for the GM1) due to its larger sensor. Moreover, the S3 is a much more recent model (by 4 years and 11 months) than the GM1, 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 the S3 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Leica S3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the S3 for good quality output (200 dots per inch) amounts to 49 x 32.7 inch or 124.5 x 83 cm, for very good quality (250 dpi) 39.2 x 26.1 inch or 99.6 x 66.4 cm, and for excellent quality (300 dpi) 32.7 x 21.8 inch or 83 x 55.3 cm. The corresponding values for the Panasonic GM1 are 23 x 17.2 inch or 58.3 x 43.8 cm for good quality, 18.4 x 13.8 inch or 46.7 x 35 cm for very good quality, and 15.3 x 11.5 inch or 38.9 x 29.2 cm for excellent quality prints.

The Leica S3 has a native sensitivity range from ISO 100 to ISO 50000. The corresponding ISO settings for the Panasonic Lumix DMC-GM1 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 125-25600.

S3 versus GM1 MP

Consistent information on actual sensor performance is available from DXO Mark for many 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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Leica S3 Medium Format 64.0 9800 65334K/24p........Leica S3
 
Panasonic GM1 Four Thirds 15.8 4592 34481080/60i22.311.766066Panasonic GM1
 
Leica Q2 Full Frame 46.7 8368 55844K/30p26.413.5249196Leica Q2
 
Leica M-E Typ 240 Full Frame 23.7 5952 39761080/25p........Leica M-E Typ 240
 
Leica M10-P Full Frame 23.8 5952 3992none........Leica M10-P
 
Leica M10 Full Frame 23.8 5952 3992none24.413.2213386Leica M10
 
Leica S-E Typ 006 Medium Format 37.5 7500 5000none........Leica S-E Typ 006
 
Leica S Typ 007 Medium Format 37.5 7500 50004K/24p........Leica S Typ 007
 
Leica S Typ 006 Medium Format 37.5 7500 5000none23.912.282476Leica S Typ 006
 
Leica S2 Medium Format 37.5 7500 5000none........Leica S2
 
Nikon D6 Full Frame 20.7 5568 37124K/30p........Nikon D6
 
Panasonic GM5 Four Thirds 15.8 4592 34481080/60p22.111.772166Panasonic GM5
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961Panasonic G6
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355Panasonic GX1
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560Panasonic GH2
 
Ricoh GR APS-C 16.1 4928 32641080/30p23.613.597278Ricoh GR
 
Sony RX10 IV 1-inch 20.0 5472 36484K/30p........Sony RX10 IV

Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the S3 provides a higher video resolution than the GM1. It can shoot video footage at 4K/24p, while the Panasonic is limited to 1080/60i.

 

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the S3 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the GM1 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Leica S3, the Panasonic GM1, and comparable cameras.

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
Camera
Model
 
Leica S3optical Y 3.0 922 fixed n 1/4000s 3.0 n n Leica S3
 
Panasonic GM1none n 3.0 1036 fixed Y 1/500s 5.0 Y n Panasonic GM1
 
Leica Q23680 n 3.0 1040 fixed Y 1/2000s 20.0 n Y Leica Q2
 
Leica M-E Typ 240optical n 3.0 920 fixed n 1/4000s 3.0 n n Leica M-E Typ 240
 
Leica M10-Poptical n 3.0 1037 fixed Y 1/4000s 5.0 n n Leica M10-P
 
Leica M10optical n 3.0 1037 fixed n 1/4000s 5.0 n n Leica M10
 
Leica S-E Typ 006optical Y 3.0 922 fixed n 1/4000s 1.5 n n Leica S-E Typ 006
 
Leica S Typ 007optical Y 3.0 922 fixed n 1/4000s 3.5 n n Leica S Typ 007
 
Leica S Typ 006optical Y 3.0 922 fixed n 1/4000s 1.5 n n Leica S Typ 006
 
Leica S2optical Y 3.0 460 fixed n 1/4000s 1.5 n n Leica S2
 
Nikon D6optical Y 3.2 2359 fixed Y 1/8000s 14.0 n n Nikon D6
 
Panasonic GM51166 n 3.0 921 fixed Y 1/500s 5.8 n n Panasonic GM5
 
Panasonic G61440 n 3.0 1036 swivel Y 1/4000s 7.0 Y n Panasonic G6
 
Panasonic GX1optional n 3.0 460 fixed Y 1/4000s 4.2 Y n Panasonic GX1
 
Panasonic GH21534 n 3.0 460 swivel n 1/4000s 3.0 Y n Panasonic GH2
 
Ricoh GRoptional n 3.0 1230 fixed n 1/4000s 4.0 Y n Ricoh GR
 
Sony RX10 IV2359 Y 3.0 1440 tilting Y 1/2000s 24.0 Y Y Sony RX10 IV

One feature that is present on the S3, but is missing on the GM1 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

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 GM1 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 Panasonic GM1 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.

The S3 writes its imaging data to Compact Flash or SDXC cards, while the GM1 uses SDXC cards. The S3 features dual card slots, which can be very useful in case a memory card fails. In contrast, the GM1 only has one slot. The S3 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the GM1 can use UHS-I cards (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 S3 and Panasonic Lumix DMC-GM1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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
Camera
Model
 
Leica S3YstereomonoYYmini3.0Y--Leica S3
 
Panasonic GM1-stereomono--micro2.0Y--Panasonic GM1
 
Leica Q2Ystereomono--nonenoneY-YLeica Q2
 
Leica M-E Typ 240Ymononone--none2.0---Leica M-E Typ 240
 
Leica M10-PYnonenone--nonenoneY--Leica M10-P
 
Leica M10Ynonenone--nonenoneY--Leica M10
 
Leica S-E Typ 006Ynonenone--mini2.0---Leica S-E Typ 006
 
Leica S Typ 007YstereomonoYYmini3.0Y--Leica S Typ 007
 
Leica S Typ 006Ynonenone--mini2.0---Leica S Typ 006
 
Leica S2Ynonenone--mini2.0---Leica S2
 
Nikon D6YstereomonoYYmini3.1Y-YNikon D6
 
Panasonic GM5Ystereomono--micro2.0Y--Panasonic GM5
 
Panasonic G6YstereomonoY-mini2.0YY-Panasonic G6
 
Panasonic GX1Ystereomono--mini2.0---Panasonic GX1
 
Panasonic GH2YstereomonoY-mini2.0---Panasonic GH2
 
Ricoh GRYmonomono--micro2.0---Ricoh GR
 
Sony RX10 IVYstereomonoYYmicro2.0YY-Sony RX10 IV

It is notable that the S3 has a hotshoe, while the GM1 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Studio photographers will appreciate that the Leica S3 (unlike the GM1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the S3 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The S3 is a recent model that features in the current product line-up of Leica. In contrast, the GM1 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the GM1 was succeeded by the Panasonic GM5. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Leica and Panasonic websites.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Leica S3 or the Panasonic GM1 – 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 Leica S3:

  • More detail: Offers more megapixels (64 vs 15.8MP) with a 105% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Features a larger and more technologically advanced imaging sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better video: Provides higher definition movie capture (4K/24p vs 1080/60i).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/500s) to freeze action.
  • 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 geotagging: Features an internal GPS sensor to log localization data.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale price.
  • More modern: Reflects 4 years and 11 months of technical progress since the GM1 launch.

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Arguments in favor of the Panasonic Lumix DMC-GM1:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More detailed LCD: Has a higher resolution rear screen (1036k vs 922k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (5 vs 3 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 compact: Is smaller (99x55mm vs 160x120mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 1056g or 84 percent) and is thus easier to take along.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (96 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in October 2013).

If the number of relative strengths (bullet points above) is taken as a guide, the S3 is the clear winner of the match-up (21 : 12 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. 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.

S3 21:12 GM1

How about other alternatives? Do the specifications of the Leica S3 and the Panasonic GM1 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the S3 or the GM1. 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.

Review Scores
  Camera
Model
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Leica S3.......... Sep 2018 18,995 iLeica S3
 
Panasonic GM1+78/1005/54.5/54.5/5 Oct 2013 749iPanasonic GM1
 
Leica Q2..84/1004.5/5..4/5 Mar 2019 4,995 iLeica Q2
 
Leica M-E Typ 240.......... Jun 2019 3,999 iLeica M-E Typ 240
 
Leica M10-P........4/5 Aug 2018 7,995 iLeica M10-P
 
Leica M10....4/5..4.5/5 Jan 2017 6,595 iLeica M10
 
Leica S-E Typ 006.......... Sep 2014 16,900iLeica S-E Typ 006
 
Leica S Typ 007.......... Sep 2014 24,490 iLeica S Typ 007
 
Leica S Typ 006.......... Sep 2012 21,950iLeica S Typ 006
 
Leica S2.......... Sep 2008 22,995iLeica S2
 
Nikon D6....4.5/5..4.5/5 Feb 2020 6,499 iNikon D6
 
Panasonic GM5+77/1005/55/54.5/5 Sep 2014 749iPanasonic GM5
 
Panasonic G6+ +..5/5..4.5/5 Apr 2013 599iPanasonic G6
 
Panasonic GX1+77/1004.5/54.5/54.5/5 Nov 2011 699iPanasonic GX1
 
Panasonic GH2+ +79/1004.5/54.5/55/5 Sep 2010 899iPanasonic GH2
 
Ricoh GR..79/1004.5/54.5/54.5/5 Apr 2013 799iRicoh GR
 
Sony RX10 IV+84/1004.5/5..5/5 Sep 2017 1,699 iSony RX10 IV
Notes: (+ +) 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. 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.

Leica S3:
Check Amazon price
Panasonic GM1:
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: Leica S3 vs Panasonic GM1

    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 Leica S3 Panasonic GM1
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Leica S mount lenses Micro Four Thirds lenses
    Launch Date September 2018 October 2013
    Launch Price USD 18995 USD 749
    Sensor Specs Leica S3 Panasonic GM1
    Sensor Technology CMOS CMOS
    Sensor Format Medium Format Sensor Four Thirds Sensor
    Sensor Size 45.0 x 30.0 mm 17.3 x 13.0 mm
    Sensor Area 1350 mm2 224.9 mm2
    Sensor Diagonal 54.1 mm 21.6 mm
    Crop Factor 0.8x 2.0x
    Sensor Resolution 64 Megapixels 15.8 Megapixels
    Image Resolution 9800 x 6533 pixels 4592 x 3448 pixels
    Pixel Pitch 4.59 μm 3.77 μm
    Pixel Density 4.74 MP/cm2 7.04 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/24p Video 1080/60i Video
    ISO Setting 100-50000 ISO 200-25600 ISO
    ISO Boost no Enhancement 125-25600 ISO
    Image Processor Maestro II Venus IX
    DXO Sensor Quality (score) .. 66
    DXO Color Depth (bits) .. 22.3
    DXO Dynamic Range (EV) .. 11.7
    DXO Low Light (ISO) .. 660
    Screen Specs Leica S3 Panasonic GM1
    Viewfinder Type Optical viewfinder No viewfinder
    Viewfinder Field of View 98%
    Viewfinder Magnification 0.87x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 922k dots 1036k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Leica S3 Panasonic GM1
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000/s 1/500/s
    Continuous Shooting 3 shutter flaps/s 5 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium CF or SDXC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support UHS-II UHS-I
    Connectivity Specs Leica S3 Panasonic GM1
    External Flash Hotshoe no Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Geotagging GPS built-in no internal GPS
    Body Specs Leica S3 Panasonic GM1
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type BP-PRO1 DMW-BLH7
    Body Dimensions 160 x 120 x 80 mm
    (6.3 x 4.7 x 3.1 in)
    99 x 55 x 30 mm
    (3.9 x 2.2 x 1.2 in)
    Camera Weight 1260 g (44.4 oz) 204 g (7.2 oz)

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