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Canon 6D vs Leica M8

The Canon EOS 6D and the Leica M8 are two enthusiast cameras that were officially introduced, respectively, in September 2012 and September 2006. The 6D is a DSLR, while the M8 is a rangefinder-style mirrorless camera. The cameras are based on a full frame (6D) and an APS-H (M8) sensor. The Canon has a resolution of 20 megapixels, whereas the Leica provides 10.4 MP.

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

Headline Specifications
Canon 6D versus Leica M8
Canon 6D Leica M8
Digital single lens reflex Rangefinder camera
Canon EF mount lenses Leica M mount lenses
20 MP, Full Frame Sensor 10.4 MP, APS-H Sensor
1080/30p Video no Video
ISO 100-25,600 (50 - 102,400) ISO 160-2,500
Optical viewfinder Optical viewfinder
3.0 LCD, 1040k dots 2.5 LCD, 230k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
4.5 shutter flaps per second 2 shutter flaps per second
Weathersealed bodynot weather sealed
145 x 111 x 71 mm, 770 g 139 x 80 x 37 mm, 591 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 6D and the Leica M8? 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

An illustration of the physical size and weight of the Canon 6D and the Leica M8 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

The M8 can be obtained in two different colors (black, silver), while the 6D is only available in black.

Size Canon 6D vs Leica M8
Compare 6D versus M8 top
Comparison 6D or M8 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Leica M8 is considerably smaller (31 percent) than the Canon 6D. Moreover, the M8 is markedly lighter (23 percent) than the 6D. It is worth mentioning in this context that the 6D is splash and dust resistant, while the M8 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. 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 Canon EF Lens Catalog (6D) and the Leica M Lens Catalog (M8).

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, you can 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
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
 
Canon 6D 5.7 in 4.4 in 2.8 in 27.2 oz 1090 Y Sep 2012 2,099i
 
Leica M8 5.5 in 3.1 in 1.5 in 20.8 oz .. n Sep 2006 5,499i
 
Canon 6D Mark II 5.7 in 4.4 in 3.0 in 27.0 oz 1200 Y Jun 2017 1,999 i
 
Canon 1D X Mark II 6.2 in 6.6 in 3.3 in 54.0 oz 1210 Y Feb 2016 5,999i
 
Canon 5DS 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i
 
Canon 7D II 5.9 in 4.4 in 3.1 in 32.1 oz 670 Y Sep 2014 1,799 i
 
Canon 70D 5.5 in 4.1 in 3.1 in 26.6 oz 920 Y Jul 2013 1,199i
 
Canon 5D Mark III 6.0 in 4.6 in 3.0 in 33.5 oz 950 Y Mar 2012 3,499i
 
Canon 1D X 6.2 in 6.6 in 3.3 in 54.7 oz 1120 Y Oct 2011 6,799i
 
Canon 5D Mark II 6.0 in 4.5 in 3.0 in 30.0 oz 850 Y Sep 2008 3,499i
 
Canon XTi 5.0 in 3.3 in 2.6 in 19.6 oz 370 n Aug 2006 799i
 
Leica M10 5.5 in 3.1 in 1.5 in 23.3 oz 210 Y Jan 2017 6,595 i
 
Leica M9 5.5 in 3.1 in 1.5 in 20.6 oz .. n Sep 2009 7,999i
 
Nikon D610 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Oct 2013 1,999 i
 
Nikon D600 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Sep 2012 2,099i
 
Nikon D80 5.2 in 4.1 in 3.0 in 23.6 oz 600 n Aug 2006 999i
 
Panasonic L10 5.3 in 3.8 in 3.1 in 19.6 oz 450 n Aug 2007 599i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

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 6D was launched at a markedly lower price (by 62 percent) than the M8, 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.

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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. 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 Canon 6D features a full frame sensor and the Leica M8 an APS-H sensor. The sensor area in the M8 is 44 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.3. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 6D and Leica M8 sensor measures

With 20MP, the 6D offers a higher resolution than the M8 (10.4MP), but the 6D has smaller individual pixels (pixel pitch of 6.57μm versus 6.84μm for the M8). However, the 6D is a much more recent model (by 6 years) than the M8, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the M8 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Canon 6D implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 6D for good quality output (200 dots per inch) amounts to 27.4 x 18.2 inches or 69.5 x 46.3 cm, for very good quality (250 dpi) 21.9 x 14.6 inches or 55.6 x 37.1 cm, and for excellent quality (300 dpi) 18.2 x 12.2 inches or 46.3 x 30.9 cm. The corresponding values for the Leica M8 are 19.7 x 13.2 inches or 50 x 33.4 cm for good quality, 15.7 x 10.5 inches or 40 x 26.7 cm for very good quality, and 13.1 x 8.8 inches or 33.3 x 22.3 cm for excellent quality prints.

The Canon EOS 6D has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 50-102400. The corresponding ISO settings for the Leica M8 are ISO 160 to ISO 2500 (no boost).

6D versus M8 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 6D provides substantially higher image quality than the M8, with an overall score that is 23 points higher. This advantage is based on 2.7 bits higher color depth, 0.8 EV in additional dynamic range, and 1.8 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.

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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
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.1234082
 
Leica M8 APS-H 10.4 3936 2630none21.111.366359
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
 
Canon 7D II APS-C 20.0 5472 36481080/60p22.411.8108270
 
Canon 70D APS-C 20.0 5472 36481080/30p22.511.692668
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
 
Canon 1D X Full Frame 17.9 5184 34561080/30p23.811.8278682
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
 
Canon XTi APS-C 10.1 3888 2592none22.111.066462
 
Leica M10 Full Frame 23.8 5952 3992none24.413.2213386
 
Leica M9 Full Frame 18.1 5212 3472none22.511.788469
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594
 
Nikon D600 Full Frame 24.2 6016 40161080/30p25.114.2298094
 
Nikon D80 APS-C 10.0 3872 2592none22.111.252461
 
Panasonic L10 Four Thirds 10.0 3648 2736none21.310.842955

Many modern cameras cannot only take still pictures, but also record videos. The 6D indeed provides movie recording capabilities, while the M8 does not. The highest resolution format that the 6D can use is 1080/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The 6D and the M8 are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The adjacent table lists some of the other core features of the Canon 6D and Leica M8 along with similar information for a selection of comparators.

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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
 
Canon 6Doptical Y 3.0 1040 fixed n 1/4000s 4.5 n n
 
Leica M8optical n 2.5 230 fixed n 1/8000s 2.0 n n
 
Canon 6D Mark IIoptical Y 3.0 1040 swivel Y 1/4000s 6.5 n n
 
Canon 1D X Mark IIoptical Y 3.2 1620 fixed Y 1/8000s 16.0 n n
 
Canon 5DSoptical Y 3.2 1040 fixed n 1/8000s 5.0 n n
 
Canon 7D IIoptical Y 3.0 1040 fixed n 1/8000s 10.0 Y n
 
Canon 70Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n
 
Canon 5D Mark IIIoptical Y 3.2 1040 fixed n 1/8000s 6.0 n n
 
Canon 1D Xoptical Y 3.2 1040 fixed n 1/8000s 14.0 n n
 
Canon 5D Mark IIoptical Y 3.0 920 fixed n 1/8000s 3.9 n n
 
Canon XTioptical n 2.5 230 fixed n 1/4000s 3.0 Y n
 
Leica M10optical n 3.0 1037 fixed n 1/4000s 5.0 n n
 
Leica M9optical n 2.5 230 fixed n 1/4000s 2.0 n n
 
Nikon D610optical Y 3.2 921 fixed n 1/4000s 6.0 Y n
 
Nikon D600optical Y 3.0 921 fixed n 1/4000s 5.5 Y n
 
Nikon D80optical n 2.5 230 fixed n 1/4000s 3.0 Y n
 
Panasonic L10optical n 2.5 207 swivel n 1/4000s 3.0 Y n

One feature that is present on the 6D, but is missing on the M8 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.

Concerning the storage of imaging data, both the 6D and the M8 write their files to SDXC cards. The 6D supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the M8 cannot take advantage of Ultra High Speed SD cards.

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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 Canon EOS 6D and Leica M8 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
 
Canon 6DYmonomonoY-mini2.0Y--
 
Leica M8Y-----2.0---
 
Canon 6D Mark IIYstereomonoY-mini2.0YYY
 
Canon 1D X Mark IIYmonomonoYYmini3.0---
 
Canon 5DSYmonomonoY-mini3.0---
 
Canon 7D IIYstereomonoYYmini3.0---
 
Canon 70DYstereomonoY-mini2.0Y--
 
Canon 5D Mark IIIYmonomonoYYmini2.0---
 
Canon 1D XYmono-Y-mini2.0---
 
Canon 5D Mark IIYmonomonoY-mini2.0---
 
Canon XTiY-----2.0---
 
Leica M10Y------Y--
 
Leica M9Y-----2.0---
 
Nikon D610YmonomonoYYmini2.0---
 
Nikon D600YmonomonoYYmini2.0---
 
Nikon D80Y-----2.0---
 
Panasonic L10Y-----2.0---

It is notable that the 6D offers wifi support, while the M8 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Travel and landscape photographers will find it useful that the 6D has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the 6D and the M8 have been discontinued, but can regularly be found used on eBay. The M8 was replaced by the Leica M9, while the 6D was followed by the Canon 6D Mark II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Leica websites.

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Review summary

So what conclusions can be drawn? Is the Canon 6D better than the Leica M8 or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Canon EOS 6D:

  • More detail: Offers more megapixels (20 vs 10.4MP) with a 39% higher linear resolution.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Scores substantially higher (23 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (2.7 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (0.8 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (1.8 stops ISO advantage).
  • Broader imaging potential: Can record not only still images but also 1080/30p movies.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 230k dots).
  • Faster burst: Shoots at higher frequency (4.5 vs 2 flaps/sec) to capture the decisive moment.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More affordable: Was introduced into a lower priced category (62 percent cheaper at launch).
  • More modern: Reflects 6 years of technical progress since the M8 launch.

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Advantages of the Leica M8:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • More compact: Is smaller (139x80mm vs 145x111mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 179g or 23 percent) and is thus easier to take along.
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale value.
  • More heavily discounted: Has been around for much longer (launched in September 2006).

If the count of relative strengths (bullet points above) is taken as a measure, the 6D is the clear winner of the match-up (17 : 6 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.

6D 17:06 M8

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 6D or the M8. 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
 
Canon 6D+ +83/1004.5/54.5/54.5/5 Sep 2012 2,099i
 
Leica M8..+ +...... Sep 2006 5,499i
 
Canon 6D Mark II+80/1004.5/54/54/5 Jun 2017 1,999 i
 
Canon 1D X Mark II..89/1004.5/55/54.5/5 Feb 2016 5,999i
 
Canon 5DS+83/1004.5/55/54.5/5 Feb 2015 3,699 i
 
Canon 7D II+84/1004/55/54.5/5 Sep 2014 1,799 i
 
Canon 70D+ +83/1004.5/54.5/55/5 Jul 2013 1,199i
 
Canon 5D Mark III+ +82/1004.5/55/54.5/5 Mar 2012 3,499i
 
Canon 1D X....4.5/54.5/54.5/5 Oct 2011 6,799i
 
Canon 5D Mark II91/10079/1004/55/5.. Sep 2008 3,499i
 
Canon XTi+ ++ +o4.5/54/5 Aug 2006 799i
 
Leica M10....4/5..4.5/5 Jan 2017 6,595 i
 
Leica M9....4.5/54.5/5.. Sep 2009 7,999i
 
Nikon D610+ +87/1004.5/54.5/54.5/5 Oct 2013 1,999 i
 
Nikon D600+ +87/1005/54.5/54.5/5 Sep 2012 2,099i
 
Nikon D80++ +o4.5/54.5/5 Aug 2006 999i
 
Panasonic L1085/100+3.5/5o4/5 Aug 2007 599i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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

Canon 6D:
Check Ebay offers
Leica M8:
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. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Canon 6D vs Leica M8

    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 Canon 6D Leica M8
    Camera Type Digital single lens reflex Rangefinder camera
    Camera Lens Canon EF mount lenses Leica M mount lenses
    Launch Date September 2012 September 2006
    Launch Price USD 2,099 USD 5,499
    Sensor Specs Canon 6D Leica M8
    Sensor Technology CMOS CCD
    Sensor Format Full Frame Sensor APS-H Sensor
    Sensor Size 36.0 x 24.0 mm 27.0 x 18.0 mm
    Sensor Area 864 mm2 486 mm2
    Sensor Diagonal 43.3 mm 32.4 mm
    Crop Factor 1.0x 1.3x
    Sensor Resolution 20 Megapixels 10.4 Megapixels
    Image Resolution 5472 x 3648 pixels 3936 x 2630 pixels
    Pixel Pitch 6.57 μm 6.84 μm
    Pixel Density 2.31 MP/cm2 2.13 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/30p Video no Video
    ISO Setting 100 - 25,600 ISO 160 - 2,500 ISO
    ISO Boost 50 - 102,400 ISO no Enhancement
    DXO Sensor Quality (score) 82 59
    DXO Color Depth (bits) 23.8 21.1
    DXO Dynamic Range (EV) 12.1 11.3
    DXO Low Light (ISO) 2340 663
    Screen Specs Canon 6D Leica M8
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 97% 100%
    Viewfinder Magnification 0.71x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View
    Rear LCD Size 3.0inch 2.5inch
    LCD Resolution 1040k dots 230k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Canon 6D Leica M8
    Focus System Phase-detect AF Manual Focus
    Continuous Shooting 4.5 shutter flaps/s 2 shutter flaps/s
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I no
    Connectivity Specs Canon 6D Leica M8
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support Wifi built-in no Wifi
    Geotagging GPS built-in no internal GPS
    Body Specs Canon 6D Leica M8
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type LP-E6 BLI-312
    Body Dimensions 145 x 111 x 71 mm
    (5.7 x 4.4 x 2.8 in)
    139 x 80 x 37 mm
    (5.5 x 3.1 x 1.5 in)
    Camera Weight 770 g (27.2 oz) 591 g (20.8 oz)

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