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Leica C-LUX vs Sony A7R III

The Leica C-LUX and the Sony Alpha A7R III are two digital cameras that were announced, respectively, in June 2018 and October 2017. The C-LUX is a fixed lens compact, while the A7R III is a mirrorless interchangeable lens camera. The cameras are based on an one-inch (C-LUX) and a full frame (A7R III) sensor. The Leica has a resolution of 20 megapixels, whereas the Sony provides 42.2 MP.

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

Headline Specifications
Leica C-LUX
versus
Sony A7R III
Leica C-LUX Sony A7R III
Fixed lens compact camera Mirrorless system camera
24-360mm f/3.3-6.4 Sony E mount lenses
20 MP, 1" Sensor 42.2 MP, Full Frame Sensor
4K/30p Video 4K/30p Video
ISO 125-12,800 (80 - 25,600) ISO 100-32,000 (50 - 102,400)
Electronic viewfinder (2330k dots) Electronic viewfinder (3686k dots)
3.0 LCD, 1240k dots 3.0 LCD, 1440k dots
Fixed touchscreen Tilting touchscreen
10 shutter flaps per second 10 shutter flaps per second
Lens-based stabilizationIn-body stabilization
not weather sealedWeathersealed body
370 shots per battery charge650 shots per battery charge
113 x 67 x 46 mm, 340 g 127 x 96 x 74 mm, 650 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Leica C-LUX and the Sony Alpha A7R III? 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 C-LUX and the Sony A7R III are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

The C-LUX can be obtained in two different colors (gold, blue), while the A7R III is only available in black.

Size Leica C-LUX vs Sony A7R III
Compare C-LUX versus A7R III top
Comparison C-LUX or A7R III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7R III is considerably larger (61 percent) than the Leica C-LUX. It is noteworthy in this context that the A7R III is splash and dust-proof, while the C-LUX does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the C-LUX has a lens built in, whereas the A7R III is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the A7R III and their specifications in the Sony FE Lens Catalog.

The battery packs of both cameras can be charged via USB, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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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
1.
 
Leica C-LUX 113 mm 67 mm 46 mm 340 g 370 n Jun 2018 1,049 i
2.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199 i
3.
 
Canon G5 X Mark II 111 mm 61 mm 46 mm 340 g 230 n Jul 2019 899 i
4.
 
Leica V-LUX 5 136 mm 97 mm 131 mm 812 g 350 n Jul 2019 1,249 i
5.
 
Leica D-LUX 7 115 mm 66 mm 65 mm 392 g 300 n Nov 2018 1,195 i
6.
 
Nikon Z7 134 mm 101 mm 67 mm 675 g 330 Y Aug 2018 3,399 i
7.
 
Panasonic FZ1000 II 136 mm 97 mm 131 mm 810 g 350 n Feb 2019 899 i
8.
 
Panasonic LX100 II 115 mm 66 mm 65 mm 392 g 300 n Aug 2018 999 i
9.
 
Panasonic FZ1000 137 mm 99 mm 131 mm 831 g 360 n Jun 2014 899 i
10.
 
Sony RX100 VII 102 mm 58 mm 43 mm 302 g 260 n Jul 2019 1,199 i
11.
 
Sony RX100 VI 102 mm 58 mm 43 mm 301 g 240 n Jun 2018 1,199 i
12.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499 i
13.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199 i
14.
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999 i
15.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199 i
16.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999 i
17.
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999 i
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 C-LUX was launched at a lower price than the A7R III, despite having a lens built in. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

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Sensor comparison

The size of the imaging sensor is a crucial determinant 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Leica C-LUX features an one-inch sensor and the Sony A7R III a full frame sensor. The sensor area in the A7R III is 643 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Leica C-LUX and Sony A7R III sensor measures

With 42.2MP, the A7R III offers a higher resolution than the C-LUX (20MP), but the A7R III nevertheless has larger individual pixels (pixel pitch of 4.52μm versus 2.41μm for the C-LUX) due to its larger sensor. However, the C-LUX is a somewhat more recent model (by 7 months) than the A7R III, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the A7R III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Sony A7R III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7R III for good quality output (200 dots per inch) amounts to 39.8 x 26.5 inches or 101 x 67.4 cm, for very good quality (250 dpi) 31.8 x 21.2 inches or 80.8 x 53.9 cm, and for excellent quality (300 dpi) 26.5 x 17.7 inches or 67.3 x 44.9 cm. The corresponding values for the Leica C-LUX are 27.4 x 18.2 inches or 69.5 x 46.3 cm for good quality, 21.9 x 14.6 inches or 55.6 x 37.1 cm for very good quality, and 18.2 x 12.2 inches or 46.3 x 30.9 cm for excellent quality prints.

The A7R III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the C-LUX, the A7R III has the capacity to capture high quality composite images by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Leica C-LUX has a native sensitivity range from ISO 125 to ISO 12800, which can be extended to ISO 80-25600. The corresponding ISO settings for the Sony Alpha A7R III are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 50-102400.

C-LUX versus A7R III MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Leica C-LUX 1-inch 20.0 5472 36484K/30p...... ..
2.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523 100
3.
 
Canon G5 X Mark II 1-inch 20.0 5472 36484K/30p...... ..
4.
 
Leica V-LUX 5 1-inch 20.0 5472 36484K/30p...... ..
5.
 
Leica D-LUX 7 Four Thirds 16.8 4736 35524K/30p...... ..
6.
 
Nikon Z7 Full Frame 45.4 8256 55044K/30p26.314.62668 99
7.
 
Panasonic FZ1000 II 1-inch 20.0 5472 36484K/30p...... ..
8.
 
Panasonic LX100 II Four Thirds 16.8 4736 35524K/30p...... ..
9.
 
Panasonic FZ1000 1-inch 20.0 5472 36484K/30p22.111.7517 64
10.
 
Sony RX100 VII 1-inch 20.0 5472 36484K/30p21.812.4418 63
11.
 
Sony RX100 VI 1-inch 20.0 5472 36484K/30p...... ..
12.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.33517 92
13.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.42317 92
14.
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.4586 70
15.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.93434 98
16.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.32993 85
17.
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.6591 70

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, and both provide the same movie specifications (4K/30p).

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the A7R III offers a substantially higher resolution than the one in the C-LUX (3686k vs 2330k dots). The following table reports on some other key feature differences and similarities of the Leica C-LUX, the Sony A7R III, and comparable cameras.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Leica C-LUX2330 n 3.0 1240 fixed Y 1/2000s 10.0 Y Y
2.
 
Sony A7R III3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y
3.
 
Canon G5 X Mark II2360 n 3.0 1040 tilting Y 1/2000s 30 Y Y
4.
 
Leica V-LUX 52360 n 3.0 1240 swivel Y 1/4000s 12.0 Y Y
5.
 
Leica D-LUX 72764 n 3.0 1240 fixed Y 1/4000s 11.0 n Y
6.
 
Nikon Z73690 Y 3.2 2100 tilting Y 1/8000s 9.0 n Y
7.
 
Panasonic FZ1000 II2360 n 3.0 1240 swivel Y 1/4000s 12.0 Y Y
8.
 
Panasonic LX100 II2764 n 3.0 1240 fixed Y 1/4000s 11.0 n Y
9.
 
Panasonic FZ10002359 n 3.0 921 swivel n 1/4000s 12.0 Y Y
10.
 
Sony RX100 VII2359 n 3.0 921 tilting Y 1/2000s 90.0 Y Y
11.
 
Sony RX100 VI2359 n 3.0 1229 tilting Y 1/2000s 24.0 Y Y
12.
 
Sony A93686 n 3.0 1440 tilting Y 1/8000s 20.0 n Y
13.
 
Sony A99 II2400 Y 3.0 1229 full-flex n 1/8000s 12.0 n Y
14.
 
Sony RX100 V2359 n 3.0 1229 tilting n 1/2000s 24.0 Y Y
15.
 
Sony A7R II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y
16.
 
Sony A7S II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y
17.
 
Sony RX100 IV2359 n 3.0 1228 tilting n 1/2000s 16.0 Y Y

One difference between the cameras concerns the presence of an on-board flash. The C-LUX has one, while the A7R III does not. While the built-in flash of the C-LUX is not very powerful, it can at times be useful as a fill-in light.

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, both cameras under consideration feature an 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 C-LUX and the Sony A7R III 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.

The C-LUX writes its imaging data to SDXC cards, while the A7R III uses SDXC or Memory Stick PRO Duo cards. The A7R III features dual card slots, which can be very useful in case a memory card fails. In contrast, the C-LUX only has one slot. The A7R III supports UHS-II cards (on its first slot), while the C-LUX can use UHS-I 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 Leica C-LUX and Sony Alpha A7R III 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
1.
 
Leica C-LUX-stereomono--micro2.0Y--
2.
 
Sony A7R IIIYstereomonoYYmicro3.1YYY
3.
 
Canon G5 X Mark II-stereomono--micro3.1Y-Y
4.
 
Leica V-LUX 5Ystereomono--micro2.0Y-Y
5.
 
Leica D-LUX 7Ystereomono--micro2.0Y-Y
6.
 
Nikon Z7YstereomonoYYmicro3.1Y-Y
7.
 
Panasonic FZ1000 IIYstereomonoY-micro2.0Y-Y
8.
 
Panasonic LX100 IIYstereomono--micro2.0Y-Y
9.
 
Panasonic FZ1000YstereomonoY-micro2.0YY-
10.
 
Sony RX100 VII-stereomonoY-micro2.0YYY
11.
 
Sony RX100 VI-stereomono--micro2.0YYY
12.
 
Sony A9YstereomonoYYmicro2.0YYY
13.
 
Sony A99 IIYstereomonoYYmicro2.0YYY
14.
 
Sony RX100 V-stereomono--micro2.0YY-
15.
 
Sony A7R IIYstereomonoYYmicro2.0YY-
16.
 
Sony A7S IIYstereomonoYYmicro2.0YY-
17.
 
Sony RX100 IV-stereomono--micro2.0YY-

It is notable that the A7R III has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The C-LUX does not feature such a mic input.

Studio photographers will appreciate that the Sony A7R III (unlike the C-LUX) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The C-LUX is a recent model that features in the current product line-up of Leica. In contrast, the A7R III has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the A7R III was succeeded by the Sony A7R IV. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Leica and Sony websites.

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Review summary

So what is the bottom line? Is there a clear favorite between the Leica C-LUX and the Sony A7R III? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Leica C-LUX:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Ready to shoot: Has a lens built-in, whereas the A7R III requires a separate lens.
  • More compact: Is smaller (113x67mm vs 127x96mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A7R III).
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale price.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Is somewhat more recent (announced 7 months after the A7R III).

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Arguments in favor of the Sony Alpha A7R III:

  • More detail: Has more megapixels (42.2 vs 20MP), which boosts linear resolution by 45%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (3686k vs 2330k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.53x).
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 1240k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (650 versus 370) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • 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 heavily discounted: Has been on the market for longer (launched in October 2017).

If the count of individual advantages (bullet points above) is taken as a guide, the A7R III is the clear winner of the contest (26 : 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. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

C-LUX 08:26 A7R III

How about other alternatives? Do the specifications of the Leica C-LUX and the Sony A7R III place the cameras among the top in their class? Find out in the latest Best Superzoom 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 says little about, for example, the shooting experience and imaging performance of the C-LUX and the A7R III in practical situations. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], 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.

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Expert Camera Reviews
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Leica C-LUX......4.5/54/5 Jun 2018 1,049 i
2.
 
Sony A7R III..+ +90/1004.5/55/5 Oct 2017 3,199 i
3.
 
Canon G5 X Mark II4/5+82/100..4/5 Jul 2019 899 i
4.
 
Leica V-LUX 5......4/54/5 Jul 2019 1,249 i
5.
 
Leica D-LUX 7........4.5/5 Nov 2018 1,195 i
6.
 
Nikon Z75/5+89/1004.5/55/5 Aug 2018 3,399 i
7.
 
Panasonic FZ1000 II....83/1004.5/54.5/5 Feb 2019 899 i
8.
 
Panasonic LX100 II4.5/5+82/1004.5/54.5/5 Aug 2018 999 i
9.
 
Panasonic FZ10004/5+ +82/1004.5/54.5/5 Jun 2014 899 i
10.
 
Sony RX100 VII4.5/5....4/55/5 Jul 2019 1,199 i
11.
 
Sony RX100 VI4.5/5+ +83/1004/54.5/5 Jun 2018 1,199 i
12.
 
Sony A95/5+ +89/1005/55/5 Apr 2017 4,499 i
13.
 
Sony A99 II....85/1004.5/54.5/5 Sep 2016 3,199 i
14.
 
Sony RX100 V4.5/5+ +83/1004/54.5/5 Oct 2016 999 i
15.
 
Sony A7R II5/5+ +90/1005/55/5 Jun 2015 3,199 i
16.
 
Sony A7S II5/5+..4.5/55/5 Sep 2015 2,999 i
17.
 
Sony RX100 IV4.5/5+ +85/1004/54.5/5 Jun 2015 999 i
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. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Leica C-LUX:
Check Amazon price
Sony A7R III:
Check Ebay offers

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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Leica C-LUX vs Sony A7R III

    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 C-LUX Sony A7R III
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 24-360mm f/3.3-6.4 Sony E mount lenses
    Launch Date June 2018 October 2017
    Launch Price USD 1,049 USD 3,199
    Sensor Specs Leica C-LUX Sony A7R III
    Sensor Technology CMOS BSI-CMOS
    Sensor Format 1" Sensor Full Frame Sensor
    Sensor Size 13.2 x 8.8 mm 35.9 x 24.0 mm
    Sensor Area 116.16 mm2 861.6 mm2
    Sensor Diagonal 15.9 mm 43.2 mm
    Crop Factor 2.7x 1.0x
    Sensor Resolution 20 Megapixels 42.2 Megapixels
    Image Resolution 5472 x 3648 pixels 7952 x 5304 pixels
    Pixel Pitch 2.41 μm 4.52 μm
    Pixel Density 17.18 MP/cm2 4.90 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 125 - 12,800 ISO 100 - 32,000 ISO
    ISO Boost 80 - 25,600 ISO 50 - 102,400 ISO
    DXO Sensor Quality (score) .. 100
    DXO Color Depth (bits) .. 26.0
    DXO Dynamic Range (EV) .. 14.7
    DXO Low Light (ISO) .. 3523
    Screen Specs Leica C-LUX Sony A7R III
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.53x 0.78x
    Viewfinder Resolution 2330k dots 3686k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1240k dots 1440k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Leica C-LUX Sony A7R III
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/8000s
    Continuous Shooting 10 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterup to 1/16000sYES
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens-based stabilizationIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support UHS-I Single UHS-II
    Connectivity Specs Leica C-LUX Sony A7R III
    External Flash no Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.1
    HDMI Port micro HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Leica C-LUX Sony A7R III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type BP-DC15 NP-FZ100
    Battery Life (CIPA)370 shots per charge650 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 113 x 67 x 46 mm
    (4.4 x 2.6 x 1.8 in)
    127 x 96 x 74 mm
    (5.0 x 3.8 x 2.9 in)
    Camera Weight 340 g (12.0 oz) 650 g (22.9 oz)

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