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Leica M10-R vs Sony A7R IV

The Leica M10-R and the Sony Alpha A7R IV are two enthusiast cameras that were officially introduced, respectively, in July 2020 and July 2019. The M10-R is a rangefinder-focusing mirrorless, while the A7R IV is a mirrorless interchangeable lens camera. Both cameras are equipped with a full frame sensor. The Leica has a resolution of 40.9 megapixels, whereas the Sony provides 60.2 MP.

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

Headline Specifications
Leica M10-R
versus
Sony A7R IV
Leica M10-R   Sony A7R IV
Rangefinder camera Mirrorless system camera
Leica M mount lenses Sony E mount lenses
40.9 MP – Full Frame sensor 60.2 MP – Full Frame sensor
no Video 4K/30p Video
ISO 100-50,000 ISO 100-32,000 (50 - 102,400)
Optical viewfinder Electronic viewfinder (5760k dots)
3.0" LCD – 1037k dots 3.0" LCD – 1440k dots
Fixed touchscreen Tilting touchscreen
4.5 shutter flaps per second 10 shutter flaps per second
no shake reductionIn-body stabilization
Weathersealed bodyWeathersealed body
210 shots per battery charge670 shots per battery charge
139 x 80 x 39 mm, 660 g 129 x 96 x 78 mm, 665 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Leica M10-R and the Sony Alpha A7R IV? 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.

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Body comparison

The physical size and weight of the Leica M10-R and the Sony A7R IV 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 size dimensions are rounded to the nearest millimeter.

The M10-R can be obtained in two different colors (black, silver), while the A7R IV is only available in black.

Size Leica M10-R vs Sony A7R IV
Compare M10-R versus A7R IV top
Comparison M10-R or A7R IV rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7R IV is notably larger (11 percent) than the Leica M10-R. Moreover, the A7R IV is slightly heavier (1 percent) than the M10-R. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Both cameras have similarly sized sensors, but DSLRs have a larger flange-to-focal plane distance than mirrorless cameras, which imposes contraints on the optical engineering process and generally leads to bigger and heavier lenses. You can compare the optics available for the two cameras in the Leica M Lens Catalog (M10-R) and the Sony FE Lens Catalog (A7R IV).

Concerning battery life, the M10-R gets 210 shots out of its Leica BP-SCL5 battery, while the A7R IV can take 670 images on a single charge of its Sony NP-FZ100 power pack. The power pack in the A7R IV can be charged via the USB port, 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. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Leica M10-R 139 mm 80 mm 39 mm 660 g 210 Y Jul 2020 8,295ebay.com
2.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499ebay.com
3.
 
Leica M11 139 mm 80 mm 39 mm 640 g 700 Y Jan 2022 8,995 amazon.com
4.
 
Leica SL2 146 mm 107 mm 42 mm 953 g 370 Y Nov 2019 5,999 amazon.com
5.
 
Leica Q2 130 mm 80 mm 92 mm 718 g 370 Y Mar 2019 4,995 amazon.com
6.
 
Leica M-E Typ 240 139 mm 80 mm 42 mm 680 g 500 Y Jun 2019 3,999ebay.com
7.
 
Leica M10-P 139 mm 80 mm 39 mm 660 g 210 Y Aug 2018 7,995ebay.com
8.
 
Leica M10 139 mm 80 mm 39 mm 660 g 210 Y Jan 2017 6,595ebay.com
9.
 
Leica M Typ 262 139 mm 80 mm 42 mm 680 g 400 Y Nov 2015 5,195ebay.com
10.
 
Leica SL 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 7,450ebay.com
11.
 
Leica M Typ 240 139 mm 80 mm 42 mm 680 g 500 Y Sep 2012 6,950ebay.com
12.
 
Leica M9 139 mm 80 mm 37 mm 585 g 550 n Sep 2009 7,999ebay.com
13.
 
Sony A7R IVA 129 mm 96 mm 78 mm 665 g 670 Y Apr 2021 3,499 amazon.com
14.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 3,499 amazon.com
15.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 amazon.com
16.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
17.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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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 A7R IV was launched at a markedly lower price (by 58 percent) than the M10-R, 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better 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.

Both cameras under consideration feature a full frame sensor, but their sensors differ slightly in size. The sensor area in the A7R IV is 1 percent smaller. They nevertheless have the same format factor of 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Leica M10-R and Sony A7R IV sensor measures

Despite having a slightly smaller sensor, the A7R IV offers a higher resolution of 60.2 megapixels, compared with 40.9 MP of the M10-R. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.76μm versus 4.57μm for the M10-R). Moreover, it should be noted that the M10-R is a somewhat more recent model (by 1 year) than the A7R IV, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Sony A7R IV implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7R IV for good quality output (200 dots per inch) amounts to 47.5 x 31.7 inches or 120.7 x 80.5 cm, for very good quality (250 dpi) 38 x 25.3 inches or 96.6 x 64.4 cm, and for excellent quality (300 dpi) 31.7 x 21.1 inches or 80.5 x 53.6 cm. The corresponding values for the Leica M10-R are 39.3 x 26 inches or 99.9 x 66 cm for good quality, 31.5 x 20.8 inches or 79.9 x 52.8 cm for very good quality, and 26.2 x 17.3 inches or 66.6 x 44 cm for excellent quality prints.

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

Unlike the M10-R, the A7R IV has the capacity to capture high quality composite images (241MP) 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 M10-R has a native sensitivity range from ISO 100 to ISO 50000. The corresponding ISO settings for the Sony Alpha A7R IV are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 50-102400.

In terms of underlying technology, the M10-R is build around a CMOS sensor, while the A7R IV uses a BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

M10-R versus A7R IV 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 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Leica M10-R Full Frame 40.9 7864 5200none25.314.3292495
2.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
3.
 
Leica M11 Full Frame 60.3 9528 6328none26.314.83376100
4.
 
Leica SL2 Full Frame 46.7 8368 55844K/60p25.314.3286695
5.
 
Leica Q2 Full Frame 46.7 8368 55844K/30p26.413.5249196
6.
 
Leica M-E Typ 240 Full Frame 23.7 5952 39761080/25p25.214.2282194
7.
 
Leica M10-P Full Frame 23.8 5952 3992none25.114.1273993
8.
 
Leica M10 Full Frame 23.8 5952 3992none24.413.2213386
9.
 
Leica M Typ 262 Full Frame 23.7 5952 3976none24.813.7247890
10.
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188
11.
 
Leica M Typ 240 Full Frame 23.7 5952 39761080/25p24.013.3186084
12.
 
Leica M9 Full Frame 18.1 5212 3472none22.511.788469
13.
 
Sony A7R IVA Full Frame 60.2 9504 63364K/30p26.014.8334499
14.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
15.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
16.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
17.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but can also record movies. The A7R IV indeed provides for movie recording, while the M10-R does not. The highest resolution format that the A7R IV can use is 4K/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7R IV has an electronic viewfinder (5760k dots), while the M10-R has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the A7R IV has a higher magnification than the one of the M10-R (0.78x vs 0.73x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Leica M10-R and Sony A7R IV in connection with corresponding information for a sample of similar cameras.

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Core Features
# image Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Leica M10-Roptical n3.0 / 1037 fixed Y 1/4000s 4.5/s n n
2.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
3.
 
Leica M11optical n3.0 / 2333 fixed Y 1/4000s 4.5/s n n
4.
 
Leica SL25760 Y3.2 / 2100 fixed Y 1/8000s 10.0/s n Y
5.
 
Leica Q23680 n3.0 / 1040 fixed Y 1/2000s 10.0/s n Y
6.
 
Leica M-E Typ 240optical n3.0 / 920 fixed n 1/4000s 3.0/s n n
7.
 
Leica M10-Poptical n3.0 / 1037 fixed Y 1/4000s 5.0/s n n
8.
 
Leica M10optical n3.0 / 1037 fixed n 1/4000s 5.0/s n n
9.
 
Leica M Typ 262optical n3.0 / 921 fixed n 1/4000s 3.0/s n n
10.
 
Leica SL4400 Y3.0 / 1040 fixed Y 1/8000s 11.0/s n n
11.
 
Leica M Typ 240optical n3.0 / 920 fixed n 1/4000s 3.0/s n n
12.
 
Leica M9optical n2.5 / 230 fixed n 1/4000s 2.0/s n n
13.
 
Sony A7R IVA5760 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
14.
 
Sony A7S III9440 n3.0 / 1440 swivel Y 1/8000s 10.0/s n Y
15.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
16.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
17.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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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 A7R IV is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Leica M10-R and the Sony A7R IV both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the M10-R and the A7R IV write their files to SDXC cards. The A7R IV features dual card slots, which can be very useful in case a memory card fails. In contrast, the M10-R only has one slot. The A7R IV supports UHS-II cards (on both slots), while the M10-R 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 M10-R and Sony Alpha A7R IV and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Leica M10-RY- / -----Y--
2.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
3.
 
Leica M11Y- / ----3.2Y-Y
4.
 
Leica SL2Ystereo / monoYYfull3.1Y-Y
5.
 
Leica Q2Ystereo / mono----Y-Y
6.
 
Leica M-E Typ 240Ymono / ----2.0---
7.
 
Leica M10-PY- / -----Y--
8.
 
Leica M10Y- / -----Y--
9.
 
Leica M Typ 262Y- / ----2.0---
10.
 
Leica SLYstereo / monoYYfull3.0Y--
11.
 
Leica M Typ 240Ystereo / mono---2.0---
12.
 
Leica M9Y- / ----2.0---
13.
 
Sony A7R IVAYstereo / monoYYmicro3.2YYY
14.
 
Sony A7S IIIYstereo / monoYYfull3.2Y-Y
15.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY
16.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
17.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
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Studio photographers will appreciate that the Sony A7R IV (unlike the M10-R) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the M10-R and the A7R IV have been discontinued, but can regularly be found used on ebay. The A7R IV was replaced by the Sony A7R V, while the M10-R does not have a direct successor. Further information on the features and operation of the M10-R and A7R IV can be found, respectively, in the Leica M10-R Manual (free pdf) or the online Sony A7R IV Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Leica M10-R and the Sony A7R IV? Which camera is better? The listing below highlights the relative strengths of the two models.

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Advantages of the Leica M10-R:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale price.
  • More modern: Is somewhat more recent (announced 1 year after the A7R IV).

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Reasons to prefer the Sony Alpha A7R IV:

  • More detail: Has more megapixels (60.2 vs 40.9MP), which boosts linear resolution by 21%.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Broader imaging potential: Can capture not only stills but also 4K/30p video.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.73x).
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 1037k 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 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 4.5 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Longer lasting: Gets more shots (670 versus 210) out of a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • 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 affordable: Was introduced into a lower priced category (58 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in July 2019).

If the count of individual advantages (bullet points above) is taken as a guide, the A7R IV is the clear winner of the contest (21 : 3 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.

M10-R 03:21 A7R IV

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the M10-R or the A7R IV perform in practice. 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 hands-on reviews by experts are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Leica M10-R4.5/5..4/5....4/5 Jul 2020 8,295ebay.com
2.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499ebay.com
3.
 
Leica M114.5/5..4.5/5..4.5/54.5/5 Jan 2022 8,995 amazon.com
4.
 
Leica SL24/5..4.5/5..4.5/54/5 Nov 2019 5,999 amazon.com
5.
 
Leica Q2....4.5/584/1004.5/54/5 Mar 2019 4,995 amazon.com
6.
 
Leica M-E Typ 240............ Jun 2019 3,999ebay.com
7.
 
Leica M10-P....3/5....4/5 Aug 2018 7,995ebay.com
8.
 
Leica M104.5/5......4/54.5/5 Jan 2017 6,595ebay.com
9.
 
Leica M Typ 262............ Nov 2015 5,195ebay.com
10.
 
Leica SL4/5..4/584/1004.5/54/5 Oct 2015 7,450ebay.com
11.
 
Leica M Typ 2404/5......4/5.. Sep 2012 6,950ebay.com
12.
 
Leica M9........4.5/5.. Sep 2009 7,999ebay.com
13.
 
Sony A7R IVA5/5+4.5/591/1004.5/55/5 Apr 2021 3,499 amazon.com
14.
 
Sony A7S III4.5/5+ +5/591/1004.5/55/5 Jul 2020 3,499 amazon.com
15.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 4,499 amazon.com
16.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
17.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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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 M10-R vs Sony A7R IV

    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 M10-R Sony A7R IV
    Camera Type Rangefinder camera Mirrorless system camera
    Camera Lens Leica M mount lenses Sony E mount lenses
    Launch Date July 2020 July 2019
    Launch Price USD 8,295 USD 3,499
    Sensor Specs Leica M10-R Sony A7R IV
    Sensor Technology CMOS BSI-CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 35.8 x 23.9 mm 35.7 x 23.8 mm
    Sensor Area 855.62 mm2 849.66 mm2
    Sensor Diagonal 43 mm 42.9 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 40.9 Megapixels 60.2 Megapixels
    Image Resolution 7864 x 5200 pixels 9504 x 6336 pixels
    Pixel Pitch 4.57 μm 3.76 μm
    Pixel Density 4.78 MP/cm2 7.09 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability no Video 4K/30p Video
    ISO Setting 100 - 50,000 ISO 100 - 32,000 ISO
    ISO Boost no Enhancement 50 - 102,400 ISO
    Image Processor Maestro II BIONZ X
    DXO Sensor Quality (score) .. 99
    DXO Color Depth (bits) .. 26.0
    DXO Dynamic Range (EV) .. 14.8
    DXO Low Light (ISO) .. 3344
    Screen Specs Leica M10-R Sony A7R IV
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.73x 0.78x
    Viewfinder Resolution 5760k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1037k dots 1440k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Leica M10-R Sony A7R IV
    Focus System Manual Focus On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 4.5 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-ShutterYES
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image Stabilizationno shake reductionIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-I Dual UHS-II
    Connectivity Specs Leica M10-R Sony A7R IV
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector no USB USB 3.1
    HDMI Port no 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 M10-R Sony A7R IV
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Leica BP-SCL5 Sony NP-FZ100
    Battery Life (CIPA)210 shots per charge670 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 139 x 80 x 39 mm
    (5.5 x 3.1 x 1.5 in)
    129 x 96 x 78 mm
    (5.1 x 3.8 x 3.1 in)
    Camera Weight 660 g (23.3 oz) 665 g (23.5 oz)
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    Check M10-R offers at
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    Check A7R IV offers at
    ebay.com

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