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Canon 7D II vs Sony A7 III

The Canon EOS 7D Mark II and the Sony Alpha A7 III are two enthusiast cameras that were revealed to the public, respectively, in September 2014 and February 2018. The 7D Mark II is a DSLR, while the A7 III is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (7D Mark II) and a full frame (A7 III) sensor. The Canon has a resolution of 20 megapixels, whereas the Sony provides 24 MP.

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

Headline Specifications
Canon 7D II
versus
Sony A7 III
Canon 7D II   Sony A7 III
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Sony E mount lenses
20 MP – APS-C sensor 24 MP – Full Frame sensor
1080/60p Video 4K/30p Video
ISO 100-16,000 (100 - 51,200) ISO 100-51,200 (50 - 204,800)
Optical viewfinder Electronic viewfinder (2359k dots)
3.0" LCD – 1040k dots 3.0" LCD – 922k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
10 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
670 shots per battery charge610 shots per battery charge
149 x 112 x 78 mm, 910 g 127 x 96 x 74 mm, 650 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 7D Mark II and the Sony Alpha A7 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.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Canon 7D II and the Sony A7 III. 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 measures are rounded to the nearest millimeter.

Size Canon 7D II vs Sony A7 III
Compare 7D Mark II versus A7 III top
Comparison 7D Mark II or A7 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 III is notably smaller (27 percent) than the Canon 7D II. Moreover, the A7 III is markedly lighter (29 percent) than the 7D Mark II. 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. 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 (7D Mark II) and the Sony FE Lens Catalog (A7 III). Mirrorless cameras, such as the A7 III, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the 7D Mark II gets 670 shots out of its Canon LP-E6N battery, while the A7 III can take 610 images on a single charge of its Sony NP-FZ100 power pack. The power pack in the A7 III 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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 7D II 149 mm 112 mm 78 mm 910 g 670 Y Sep 2014 1,799ebay.com
2.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
3.
 
Canon 6D 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 2,099ebay.com
4.
 
Canon 7D 148 mm 111 mm 74 mm 860 g 800 Y Sep 2009 1,699ebay.com
5.
 
Canon 20D 144 mm 106 mm 72 mm 770 g 700 n Aug 2004 1,499ebay.com
6.
 
Canon 50D 146 mm 108 mm 74 mm 822 g 800 Y Aug 2008 1,299ebay.com
7.
 
Canon 60D 145 mm 106 mm 79 mm 755 g 1100 Y Aug 2010 1,399ebay.com
8.
 
Canon 70D 139 mm 104 mm 79 mm 755 g 920 Y Jul 2013 1,199ebay.com
9.
 
Canon SL1 117 mm 91 mm 69 mm 407 g 380 n Mar 2013 549ebay.com
10.
 
Canon T5 130 mm 100 mm 78 mm 480 g 500 n Feb 2014 449ebay.com
11.
 
Canon T5i 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 649ebay.com
12.
 
Canon T6i 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749ebay.com
13.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 1,999ebay.com
14.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999ebay.com
15.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
16.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499ebay.com
17.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. 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 7D Mark II was somewhat cheaper (by 10 percent) than the A7 III at launch, but both cameras fall into the same price category. 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.

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 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. 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.

Of the two cameras under consideration, the Canon 7D II features an APS-C sensor and the Sony A7 III a full frame sensor. The sensor area in the A7 III is 152 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 7D II and Sony A7 III sensor measures

With 24MP, the A7 III offers a higher resolution than the 7D Mark II (20MP), but the A7 III nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 4.10μm for the 7D Mark II) due to its larger sensor. Moreover, the A7 III is a much more recent model (by 3 years and 5 months) than the 7D Mark II, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A7 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7 III for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Canon 7D II 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 Canon EOS 7D Mark II has a native sensitivity range from ISO 100 to ISO 16000, which can be extended to ISO 100-51200. The corresponding ISO settings for the Sony Alpha A7 III are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

In terms of underlying technology, the 7D Mark II is build around a CMOS sensor, while the A7 III 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.

7D Mark II versus A7 III MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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"). Of the two cameras under consideration, the A7 III offers substantially better image quality than the 7D Mark II (overall score 26 points higher). The advantage is based on 2.6 bits higher color depth, 2.9 EV in additional dynamic range, and 1.8 stops in additional low light sensitivity. 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon 7D II APS-C 20.0 5472 36481080/60p22.411.8108270
2.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
3.
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.1234082
4.
 
Canon 7D APS-C 17.9 5184 34561080/30p22.011.785466
5.
 
Canon 20D APS-C 8.2 3504 2336none21.911.072162
6.
 
Canon 50D APS-C 15.1 4752 3168none21.811.469663
7.
 
Canon 60D APS-C 17.9 5184 34561080/30p22.211.581366
8.
 
Canon 70D APS-C 20.0 5472 36481080/30p22.511.692668
9.
 
Canon SL1 APS-C 17.9 5184 34561080/30p21.811.384363
10.
 
Canon T5 APS-C 17.9 5184 34561080/30p21.911.372463
11.
 
Canon T5i APS-C 17.9 5184 34561080/30p21.711.268161
12.
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.091971
13.
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
14.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
15.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
16.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
17.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the A7 III provides a better video resolution than the 7D Mark II. It can shoot movie footage at 4K/30p, while the Canon is limited to 1080/60p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the A7 III has an electronic viewfinder (2359k dots), while the 7D Mark II 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 A7 III has a higher magnification than the one of the 7D Mark II (0.78x vs 0.63x), 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 Canon 7D II and Sony A7 III in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty 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.
 
Canon 7D IIoptical Y3.0 / 1040 fixed n 1/8000s 10.0/s Y n
2.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
3.
 
Canon 6Doptical Y3.0 / 1040 fixed n 1/4000s 4.5/s n n
4.
 
Canon 7Doptical Y3.0 / 920 fixed n 1/8000s 8.0/s Y n
5.
 
Canon 20Doptical Y1.8 / 118 fixed n 1/8000s 5.0/s Y n
6.
 
Canon 50Doptical Y3.0 / 920 fixed n 1/8000s 6.3/s Y n
7.
 
Canon 60Doptical Y3.0 / 1040 swivel n 1/8000s 5.3/s Y n
8.
 
Canon 70Doptical Y3.0 / 1040 swivel Y 1/8000s 7.0/s Y n
9.
 
Canon SL1optical n3.0 / 1040 fixed Y 1/4000s 4.9/s Y n
10.
 
Canon T5optical n3.0 / 460 fixed n 1/4000s 3.0/s Y n
11.
 
Canon T5ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
12.
 
Canon T6ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
13.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/s n Y
14.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
15.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
17.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The 7D Mark II has one, while the A7 III does not. While the built-in flash of the 7D Mark II 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, the A7 III 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 Canon 7D II and the Sony A7 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 7D Mark II writes its imaging data to Compact Flash or SDXC cards, while the A7 III uses SDXC or Memory Stick PRO Duo cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The A7 III supports UHS-II cards (on its first slot), while the 7D Mark II 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 Canon EOS 7D Mark II and Sony Alpha A7 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
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 7D IIYstereo / monoYYmini3.0---
2.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
3.
 
Canon 6DYmono / monoY-mini2.0Y--
4.
 
Canon 7DYmono / -Y-mini2.0---
5.
 
Canon 20DY- / ----1.1---
6.
 
Canon 50DY- / ---mini2.0---
7.
 
Canon 60DYmono / monoY-mini2.0---
8.
 
Canon 70DYstereo / monoY-mini2.0Y--
9.
 
Canon SL1Ymono / monoY-mini2.0---
10.
 
Canon T5Ymono / mono--mini2.0---
11.
 
Canon T5iYstereo / monoY-mini2.0---
12.
 
Canon T6iYstereo / monoY-mini2.0YY-
13.
 
Nikon Z6Ystereo / monoYYmicro3.1Y-Y
14.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
15.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
16.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
17.
 
Sony A9Ystereo / monoYYmicro2.0YYY

It is notable that the A7 III offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the 7D Mark II does not provide wifi capability.

Studio photographers will appreciate that the Canon 7D II (unlike the A7 III) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the 7D Mark II has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The A7 III is a recent model that features in the current product line-up of Sony. In contrast, the 7D Mark II has been discontinued (but can be found pre-owned on ebay). There has not been a direct replacement model for the 7D Mark II from Canon. Further information on the features and operation of the 7D Mark II and A7 III can be found, respectively, in the Canon 7D II Manual (free pdf) or the online Sony A7 III Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Canon 7D II or the Sony A7 III – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Canon EOS 7D Mark II:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 922k dots).
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been available for much longer (launched in September 2014).

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Reasons to prefer the Sony Alpha A7 III:

  • More detail: Has more megapixels (24 vs 20MP), which boosts linear resolution by 10%.
  • Better image quality: Scores substantially higher (26 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.6 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.9 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.8 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.63x).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (127x96mm vs 149x112mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 260g or 29 percent) and is thus easier to take along.
  • 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.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 3 years and 5 months of technical progress since the 7D Mark II launch.

If the number of relative strengths (bullet points above) is taken as a guide, the A7 III is the clear winner of the contest (21 : 7 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional 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.

7D Mark II 07:21 A7 III

How about other alternatives? Do the specifications of the Canon 7D II and the Sony A7 III place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the 7D Mark II and the A7 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 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 7D II4.5/5+3.5/584/1004/54.5/5 Sep 2014 1,799ebay.com
2.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
3.
 
Canon 6D5/5+ +..83/1004.5/54.5/5 Sep 2012 2,099ebay.com
4.
 
Canon 7D5/5+ +..84/1004.5/54.5/5 Sep 2009 1,699ebay.com
5.
 
Canon 20D......+ +.... Aug 2004 1,499ebay.com
6.
 
Canon 50D..+ +..+ +4.5/54.5/5 Aug 2008 1,299ebay.com
7.
 
Canon 60D5/5+..79/1004/54.5/5 Aug 2010 1,399ebay.com
8.
 
Canon 70D5/5+ +..83/1004.5/55/5 Jul 2013 1,199ebay.com
9.
 
Canon SL14/5+..78/1004/54/5 Mar 2013 549ebay.com
10.
 
Canon T53/5+....4/54.5/5 Feb 2014 449ebay.com
11.
 
Canon T5i......76/1004.5/54.5/5 Mar 2013 649ebay.com
12.
 
Canon T6i5/5....75/1004.5/54.5/5 Feb 2015 749ebay.com
13.
 
Nikon Z65/5..5/589/1004.5/55/5 Aug 2018 1,999ebay.com
14.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999ebay.com
15.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
16.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499ebay.com
17.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 4,499ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. A score, therefore, has to be seen in close connection to the price and market introduction time 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, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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

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    Specifications: Canon 7D II vs Sony A7 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 Canon 7D II Sony A7 III
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Sony E mount lenses
    Launch Date September 2014 February 2018
    Launch Price USD 1,799 USD 1,999
    Sensor Specs Canon 7D II Sony A7 III
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 22.4 x 15.0 mm 35.6 x 23.8 mm
    Sensor Area 336 mm2 847.28 mm2
    Sensor Diagonal 27 mm 42.8 mm
    Crop Factor 1.6x 1.0x
    Sensor Resolution 20 Megapixels 24 Megapixels
    Image Resolution 5472 x 3648 pixels 6000 x 4000 pixels
    Pixel Pitch 4.10 μm 5.94 μm
    Pixel Density 5.94 MP/cm2 2.83 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 4K/30p Video
    ISO Setting 100 - 16,000 ISO 100 - 51,200 ISO
    ISO Boost 100 - 51,200 ISO 50 - 204,800 ISO
    Image Processor DIGIC 6 (Dual) BIONZ X
    DXO Sensor Quality (score) 70 96
    DXO Color Depth (bits) 22.4 25.0
    DXO Dynamic Range (EV) 11.8 14.7
    DXO Low Light (ISO) 1082 3730
    Screen Specs Canon 7D II Sony A7 III
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.63x 0.78x
    Viewfinder Resolution 2359k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 922k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon 7D II Sony A7 III
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 10 shutter flaps/s 10 shutter flaps/s
    Shutter Life Expectancy200 000 actuations200 000 actuations
    Electronic Shutterno E-ShutterYES
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium CF or SDXC cards MS or SDXC cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support UHS-I Single UHS-II
    Connectivity Specs Canon 7D II Sony A7 III
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 3.1
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Geotagging GPS built-in no internal GPS
    Body Specs Canon 7D II Sony A7 III
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Canon LP-E6N Sony NP-FZ100
    Battery Life (CIPA)670 shots per charge610 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 149 x 112 x 78 mm
    (5.9 x 4.4 x 3.1 in)
    127 x 96 x 74 mm
    (5.0 x 3.8 x 2.9 in)
    Camera Weight 910 g (32.1 oz) 650 g (22.9 oz)
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