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Canon G7 X Mark III vs Leica C-LUX

The Canon PowerShot G7 X Mark III and the Leica C-LUX are two digital cameras that were announced, respectively, in July 2019 and June 2018. Both the G7X Mark III and the C-LUX are fixed lens compact cameras that are equipped with an one-inch sensor. Both cameras offer a resolution of 20 megapixels.

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

Headline Specifications
Canon G7 X Mark III
versus
Leica C-LUX
Canon G7 X Mark III   Leica C-LUX
Fixed lens compact camera Fixed lens compact camera
24-100mm f/1.8-2.8 24-360mm f/3.3-6.4
20 MP, 1" Sensor 20 MP, 1" Sensor
4K/30p Video 4K/30p Video
ISO 125-12,800 (125 - 25,600) ISO 125-12,800 (80 - 25,600)
No viewfinder, LCD framing Electronic viewfinder (2330k dots)
3.0 LCD, 1040k dots 3.0 LCD, 1240k dots
Tilting touchscreen Fixed touchscreen
30 shutter flaps per second 10 shutter flaps per second
235 shots per battery charge370 shots per battery charge
105 x 61 x 41 mm, 304 g 113 x 67 x 46 mm, 340 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G7 X Mark III and the Leica C-LUX? 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 Canon G7 X Mark III and the Leica C-LUX are illustrated 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 measures are rounded to the nearest millimeter.

The G7X Mark III can be obtained in two different colors (black, silver), while the C-LUX is also available in two color-versions, but different ones (gold, blue).

Size Canon G7 X Mark III vs Leica C-LUX
Compare G7X Mark III versus C-LUX top
Comparison G7X Mark III or C-LUX rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Leica C-LUX is notably larger (18 percent) than the Canon G7 X Mark III. Moreover, the C-LUX is markedly heavier (12 percent) than the G7X Mark III. In this context, it is worth noting that neither the G7X Mark III nor the C-LUX are weather-sealed.

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

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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.
 
Canon G7 X Mark III 105 mm 61 mm 41 mm 304 g 235 n Jul 2019 749 i
2.
 
Leica C-LUX 113 mm 67 mm 46 mm 340 g 370 n Jun 2018 1,049 i
3.
 
Canon G5 X Mark II 111 mm 61 mm 46 mm 340 g 230 n Jul 2019 899 i
4.
 
Canon SX740 110 mm 64 mm 40 mm 299 g 265 n Jul 2018 399 i
5.
 
Canon G7 X Mark II 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 699 i
6.
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799 i
7.
 
Canon G7 X 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 699 i
8.
 
Leica V-LUX 5 136 mm 97 mm 131 mm 812 g 350 n Jul 2019 1,249 i
9.
 
Leica D-LUX 7 115 mm 66 mm 65 mm 392 g 300 n Nov 2018 1,195 i
10.
 
Panasonic FZ1000 II 136 mm 97 mm 131 mm 810 g 350 n Feb 2019 899 i
11.
 
Panasonic ZS200 111 mm 65 mm 45 mm 340 g 370 n Feb 2018 799 i
12.
 
Sony ZV-1 105 mm 60 mm 44 mm 294 g 260 n May 2020 799 i
13.
 
Sony RX100 VII 102 mm 58 mm 43 mm 302 g 260 n Jul 2019 1,199 i
14.
 
Sony RX100 VI 102 mm 58 mm 43 mm 301 g 240 n Jun 2018 1,199 i
15.
 
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 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 G7X Mark III was launched at a markedly lower price (by 29 percent) than the C-LUX, 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.

Sensor comparison

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

Both cameras under consideration feature an one-inch sensor and have a format factor (sometimes also referred to as "crop factor") of 2.7. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon G7 X Mark III and Leica C-LUX sensor measures

The two cameras under review do not only share the same sensor size, but also offer an identical resolution of 20 megapixels. This similarity in sensor specs implies that both the G7X Mark III and the C-LUX have the same pixel density, as well as the same pixel size. It should, however, be noted that the G7X Mark III is a somewhat more recent model (by 1 year) than the C-LUX, and its sensor might have benefitted from technological advances during this time.

The Canon PowerShot G7 X Mark III has a native sensitivity range from ISO 125 to ISO 12800, which can be extended to ISO 125-25600. The corresponding ISO settings for the Leica C-LUX are ISO 125 to ISO 12800, with the possibility to increase the ISO range to 80-25600.

G7X Mark III versus C-LUX MP

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

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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.
 
Canon G7 X Mark III 1-inch 20.0 5472 36484K/30p...... ..
2.
 
Leica C-LUX 1-inch 20.0 5472 36484K/30p...... ..
3.
 
Canon G5 X Mark II 1-inch 20.0 5472 36484K/30p...... ..
4.
 
Canon SX740 1/2.3 20.2 5184 38884K/30p...... ..
5.
 
Canon G7 X Mark II 1-inch 20.0 5472 36481080/60p...... ..
6.
 
Canon G5 X 1-inch 20.0 5472 36481080/60p...... ..
7.
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.7556 71
8.
 
Leica V-LUX 5 1-inch 20.0 5472 36484K/30p...... ..
9.
 
Leica D-LUX 7 Four Thirds 16.8 4736 35524K/30p...... ..
10.
 
Panasonic FZ1000 II 1-inch 20.0 5472 36484K/30p...... ..
11.
 
Panasonic ZS200 1-inch 20.0 5472 36484K/30p...... ..
12.
 
Sony ZV-1 1-inch 20.0 5472 36484K/30p...... ..
13.
 
Sony RX100 VII 1-inch 20.0 5472 36484K/30p21.812.4418 63
14.
 
Sony RX100 VI 1-inch 20.0 5472 36484K/30p...... ..
15.
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.6591 70

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, and both provide the same movie specifications (4K/30p).

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the C-LUX has an electronic viewfinder (2330k dots), which can be very helpful when shooting in bright sunlight. In contrast, the G7X Mark III relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Canon G7 X Mark III and Leica C-LUX in connection with corresponding information for a sample of similar 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.
 
Canon G7 X Mark IIInone n 3.0 1040 tilting Y 1/2000s 30 Y Y
2.
 
Leica C-LUX2330 n 3.0 1240 fixed Y 1/2000s 10.0 Y Y
3.
 
Canon G5 X Mark II2360 n 3.0 1040 tilting Y 1/2000s 30 Y Y
4.
 
Canon SX740none n 3.0 922 tilting n 1/3200s 10.0 Y Y
5.
 
Canon G7 X Mark IInone n 3.0 1040 tilting Y 1/2000s 8.0 Y Y
6.
 
Canon G5 X2360 n 3.0 1040 swivel Y 1/2000s 5.9 Y Y
7.
 
Canon G7 Xnone n 3.0 1040 tilting Y 1/2000s 6.5 Y Y
8.
 
Leica V-LUX 52360 n 3.0 1240 swivel Y 1/4000s 12.0 Y Y
9.
 
Leica D-LUX 72764 n 3.0 1240 fixed Y 1/4000s 11.0 n Y
10.
 
Panasonic FZ1000 II2360 n 3.0 1240 swivel Y 1/4000s 12.0 Y Y
11.
 
Panasonic ZS2002330 n 3.0 1240 fixed Y 1/2000s 10.0 Y Y
12.
 
Sony ZV-1none n 3.0 922 swivel Y 1/2000s 24.0 n Y
13.
 
Sony RX100 VII2359 n 3.0 921 tilting Y 1/2000s 90.0 Y Y
14.
 
Sony RX100 VI2359 n 3.0 1229 tilting Y 1/2000s 24.0 Y Y
15.
 
Sony RX100 IV2359 n 3.0 1228 tilting n 1/2000s 16.0 Y Y
The G7X Mark III has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the C-LUX does not have a selfie-screen.

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 Canon G7 X Mark III and the Leica C-LUX 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.

Both the G7X Mark III and the C-LUX have zoom lenses built in. The G7X Mark III has a 24-100mm f/1.8-2.8 optic and the C-LUX offers a 24-360mm f/3.3-6.4 (focal lengths in full frame equivalent terms). Hence, the Canon and Leica provide the same view at the wide-angle end, but the Leica has more tele-photo reach at the long end. The G7X Mark III offers the faster maximum aperture.

Concerning the storage of imaging data, both the G7X Mark III and the C-LUX 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 Canon PowerShot G7 X Mark III and Leica C-LUX 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.
 
Canon G7 X Mark III-stereomonoY-micro3.1Y-Y
2.
 
Leica C-LUX-stereomono--micro2.0Y--
3.
 
Canon G5 X Mark II-stereomono--micro3.1Y-Y
4.
 
Canon SX740-stereomono--micro2.0Y-Y
5.
 
Canon G7 X Mark II-stereomono--micro2.0YY-
6.
 
Canon G5 XYstereomono--mini2.0YY-
7.
 
Canon G7 X-stereomono--micro2.0YY-
8.
 
Leica V-LUX 5Ystereomono--micro2.0Y-Y
9.
 
Leica D-LUX 7Ystereomono--micro2.0Y-Y
10.
 
Panasonic FZ1000 IIYstereomonoY-micro2.0Y-Y
11.
 
Panasonic ZS200-stereomono--micro2.0Y-Y
12.
 
Sony ZV-1YstereomonoY-micro2.0YYY
13.
 
Sony RX100 VII-stereomonoY-micro2.0YYY
14.
 
Sony RX100 VI-stereomono--micro2.0YYY
15.
 
Sony RX100 IV-stereomono--micro2.0YY-

It is notable that the G7X Mark III has a microphone port, which is missing on the C-LUX. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Both the G7X Mark III and the C-LUX are recent models that are part of the current product line-up. The G7X Mark III replaced the earlier Canon G7X Mark II, while the C-LUX does not have a direct predecessor. 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.

Review summary

So what is the bottom line? Is there a clear favorite between the Canon G7 X Mark III and the Leica C-LUX? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Canon PowerShot G7 X Mark III:

  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (30 vs 10 flaps/sec) to capture the decisive moment.
  • Better light gathering: Has a lens with a wider maximum aperture (f/1.8 vs f/3.3).
  • More compact: Is smaller (105x61mm vs 113x67mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 36g or 11 percent) and hence easier to carry around.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced into a lower priced category (29 percent cheaper at launch).
  • More modern: Is somewhat more recent (announced 1 year after the C-LUX).

ilogo

Reasons to prefer the Leica C-LUX:

  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1240k vs 1040k dots).
  • More tele-reach: Has a longer tele-lens for perspective compression and subject magnification.
  • Longer lasting: Gets more shots (370 versus 235) out of a single battery charge.
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale value.
  • More heavily discounted: Has been on the market for longer (launched in June 2018).

If the count of relative strengths (bullet points above) is taken as a measure, the G7X Mark III is the clear winner of the match-up (11 : 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

G7X Mark III 11:06 C-LUX

How about other alternatives? Do the specifications of the Canon G7 X Mark III and the Leica C-LUX place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best Superzoom 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 incomplete and does no justice, for example, to the way the G7X Mark III or the C-LUX perform in practice. 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 why hands-on reviews by experts are important. 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.
 
Canon G7 X Mark III..+ +81/1004/5.. Jul 2019 749 i
2.
 
Leica C-LUX......4.5/54/5 Jun 2018 1,049 i
3.
 
Canon G5 X Mark II4/5+82/100..4/5 Jul 2019 899 i
4.
 
Canon SX740..+..4/54/5 Jul 2018 399 i
5.
 
Canon G7 X Mark II4.5/5+ +81/1004.5/54.5/5 Feb 2016 699 i
6.
 
Canon G5 X5/5+ +78/1004.5/54.5/5 Oct 2015 799 i
7.
 
Canon G7 X4/5+ +77/1004.5/54.5/5 Sep 2014 699 i
8.
 
Leica V-LUX 5......4/54/5 Jul 2019 1,249 i
9.
 
Leica D-LUX 7........4.5/5 Nov 2018 1,195 i
10.
 
Panasonic FZ1000 II....83/1004.5/54.5/5 Feb 2019 899 i
11.
 
Panasonic ZS200..+ +81/1004.5/54.5/5 Feb 2018 799 i
12.
 
Sony ZV-14/5..85/1004/54.5/5 May 2020 799 i
13.
 
Sony RX100 VII4.5/5....4/55/5 Jul 2019 1,199 i
14.
 
Sony RX100 VI4.5/5+ +83/1004/54.5/5 Jun 2018 1,199 i
15.
 
Sony RX100 IV4.5/5+ +85/1004/54.5/5 Jun 2015 999 i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time 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.

Canon G7 X Mark III:
Check Amazon price
Leica C-LUX:
Check Amazon price

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Canon G7 X Mark III vs Leica C-LUX

    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 G7 X Mark III Leica C-LUX
    Camera Type Fixed lens compact camera Fixed lens compact camera
    Camera Lens 24-100mm f/1.8-2.8 24-360mm f/3.3-6.4
    Launch Date July 2019 June 2018
    Launch Price USD 749 USD 1,049
    Sensor Specs Canon G7 X Mark III Leica C-LUX
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1" Sensor 1" Sensor
    Sensor Size 13.2 x 8.8 mm 13.2 x 8.8 mm
    Sensor Area 116.16 mm2 116.16 mm2
    Sensor Diagonal 15.9 mm 15.9 mm
    Crop Factor 2.7x 2.7x
    Sensor Resolution 20 Megapixels 20 Megapixels
    Image Resolution 5472 x 3648 pixels 5472 x 3648 pixels
    Pixel Pitch 2.41 μm 2.41 μm
    Pixel Density 17.18 MP/cm2 17.18 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 125 - 12,800 ISO 125 - 12,800 ISO
    ISO Boost 125 - 25,600 ISO 80 - 25,600 ISO
    Screen Specs Canon G7 X Mark III Leica C-LUX
    Viewfinder Type no viewfinder Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.53x
    Viewfinder Resolution 2330k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1240k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Canon G7 X Mark III Leica C-LUX
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/2000s
    Continuous Shooting 30 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterup to 1/25600sup to 1/16000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Canon G7 X Mark III Leica C-LUX
    External Flash no Hotshoe no Hotshoe
    USB Connector USB 3.1 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Canon G7 X Mark III Leica C-LUX
    Battery Type NB-13L BP-DC15
    Battery Life (CIPA)235 shots per charge370 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 105 x 61 x 41 mm
    (4.1 x 2.4 x 1.6 in)
    113 x 67 x 46 mm
    (4.4 x 2.6 x 1.8 in)
    Camera Weight 304 g (10.7 oz) 340 g (12.0 oz)

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