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Nikon D810 vs Sony A7R

The Nikon D810 and the Sony Alpha A7R are two digital cameras that were officially introduced, respectively, in June 2014 and October 2013. The D810 is a DSLR, while the A7R is a mirrorless interchangeable lens camera. Both cameras are equipped with a full frame sensor. Both cameras offer a resolution of 36.2 megapixels.

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

Headline Specifications
Nikon D810
versus
Sony A7R
Nikon D810   Sony A7R
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Sony E mount lenses
36.2 MP – Full Frame sensor 36.2 MP – Full Frame sensor
1080/60p Video 1080/60p Video
ISO 64-12,800 (32 - 51,200) ISO 100-25,600 (50 - 51,200)
Optical viewfinder Electronic viewfinder (2400k dots)
3.2" LCD – 1229k dots 3.0" LCD – 1230k dots
Fixed screen (not touch-sensitive) Tilting screen (no touchscreen)
5 shutter flaps per second 4 shutter flaps per second
Weathersealed bodyWeathersealed body
1200 shots per battery charge340 shots per battery charge
146 x 123 x 82 mm, 980 g 127 x 94 x 48 mm, 465 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D810 and the Sony Alpha A7R? 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 Nikon D810 and the Sony A7R. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

Size Nikon D810 vs Sony A7R
Compare D810 versus A7R top
Comparison D810 or A7R rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7R is considerably smaller (34 percent) than the Nikon D810. Moreover, the A7R is substantially lighter (53 percent) than the D810. 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 Nikon Lens Catalog (D810) and the Sony FE Lens Catalog (A7R). Mirrorless cameras, such as the A7R, 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 D810 gets 1200 shots out of its Nikon EN-EL15 battery, while the A7R can take 340 images on a single charge of its Sony NP-FW50 power pack. The power pack in the A7R 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.
 
Nikon D810 146 mm 123 mm 82 mm 980 g 1200 Y Jun 2014 3,299ebay.com
2.
 
Sony A7R 127 mm 94 mm 48 mm 465 g 340 Y Oct 2013 2,299ebay.com
3.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
4.
 
Nikon D850 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 3,299 amazon.com
5.
 
Nikon D4S 160 mm 157 mm 91 mm 1350 g 3020 Y Feb 2014 6,499ebay.com
6.
 
Nikon D750 141 mm 113 mm 78 mm 750 g 1230 Y Sep 2014 2,299ebay.com
7.
 
Nikon Df 144 mm 110 mm 67 mm 760 g 1400 Y Nov 2013 2,749ebay.com
8.
 
Nikon D610 141 mm 113 mm 82 mm 850 g 900 Y Oct 2013 1,999ebay.com
9.
 
Nikon D600 141 mm 113 mm 82 mm 850 g 900 Y Sep 2012 2,099ebay.com
10.
 
Nikon D800 146 mm 123 mm 82 mm 1000 g 900 Y Feb 2012 2,999ebay.com
11.
 
Nikon D800E 146 mm 123 mm 82 mm 1000 g 900 Y Feb 2012 3,299ebay.com
12.
 
Nikon D700 147 mm 123 mm 77 mm 1074 g 1000 Y Jul 2008 2,999ebay.com
13.
 
Sony A7C II 124 mm 71 mm 63 mm 514 g 540 Y Aug 2023 2,199 amazon.com
14.
 
Sony A7 IV 131 mm 96 mm 80 mm 659 g 580 Y Oct 2021 2,499 amazon.com
15.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199ebay.com
16.
 
Sony A7S 127 mm 94 mm 48 mm 489 g 380 Y Apr 2014 2,499ebay.com
17.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 1,699ebay.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 naturally be influenced heavily by the price. 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 was launched at a markedly lower price (by 30 percent) than the D810, 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.

Sensor comparison

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

Both cameras under consideration feature a full frame sensor and have a format factor (sometimes also referred to as "crop factor") of 1.0. Within the spectrum of camera sensors, this places the review cameras among the large-sensor cameras that aim for top notch image quality. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Nikon D810 and Sony A7R sensor measures

The two cameras under review do not only share the same sensor size, but also offer an identical resolution of 36.2 megapixels. This similarity in sensor specs implies that both the D810 and the A7R have the same pixel density, as well as the same pixel size. It should, however, be noted that the D810 is a somewhat more recent model (by 8 months) than the A7R, and its sensor might have benefitted from technological advances during this time. 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 Nikon D810 has a native sensitivity range from ISO 64 to ISO 12800, which can be extended to ISO 32-51200. The corresponding ISO settings for the Sony Alpha A7R are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

D810 versus A7R MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. 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.
 
Nikon D810 Full Frame 36.2 7360 49121080/60p25.714.8285397
2.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695
3.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
4.
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100
5.
 
Nikon D4S Full Frame 16.2 4928 32801080/60p24.413.3307489
6.
 
Nikon D750 Full Frame 24.2 6016 40161080/60p24.814.5295693
7.
 
Nikon Df Full Frame 16.2 4928 3280none24.613.1327989
8.
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594
9.
 
Nikon D600 Full Frame 24.2 6016 40161080/30p25.114.2298094
10.
 
Nikon D800 Full Frame 36.2 7360 49121080/30p25.314.4285395
11.
 
Nikon D800E Full Frame 36.2 7360 49121080/30p25.614.3297996
12.
 
Nikon D700 Full Frame 12.1 4256 2832none23.512.2230380
13.
 
Sony A7C II Full Frame 32.7 7008 46724K/60p25.414.7323796
14.
 
Sony A7 IV Full Frame 32.7 7008 46724K/60p25.414.7337997
15.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
16.
 
Sony A7S Full Frame 12.0 4240 28321080/60p23.913.2370287
17.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890
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 also of capturing video footage. 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 (1080/60p).

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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 has an electronic viewfinder (2400k dots), while the D810 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 has a higher magnification than the one of the D810 (0.71x vs 0.70x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Nikon D810 and Sony A7R along with similar information for a selection of comparators.

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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.
 
Nikon D810optical Y3.2 / 1229 fixed n 1/8000s 5.0/s Y n
2.
 
Sony A7R2400 n3.0 / 1230 tilting n 1/8000s 4.0/s n n
3.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
4.
 
Nikon D850optical Y3.2 / 2359 tilting Y 1/8000s 9.0/s n n
5.
 
Nikon D4Soptical Y3.2 / 921 fixed n 1/8000s 11.0/s n n
6.
 
Nikon D750optical Y3.2 / 1229 tilting n 1/4000s 6.0/s Y n
7.
 
Nikon Dfoptical Y3.2 / 921 fixed n 1/4000s 5.5/s n n
8.
 
Nikon D610optical Y3.2 / 921 fixed n 1/4000s 6.0/s Y n
9.
 
Nikon D600optical Y3.0 / 921 fixed n 1/4000s 5.5/s Y n
10.
 
Nikon D800optical Y3.2 / 921 fixed n 1/8000s 4.0/s Y n
11.
 
Nikon D800Eoptical Y3.2 / 921 fixed n 1/8000s 4.0/s Y n
12.
 
Nikon D700optical Y3.0 / 922 fixed n 1/8000s 8.0/s Y n
13.
 
Sony A7C II2360 n3.0 / 1037 swivel Y 1/4000s 10.0/s n Y
14.
 
Sony A7 IV3686 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
15.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
16.
 
Sony A7S2400 n3.0 / 921 tilting n 1/8000s 5.0/s n n
17.
 
Sony A72400 n3.0 / 1230 tilting n 1/8000s 5.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One difference between the cameras concerns the presence of an on-board flash. The D810 has one, while the A7R does not. While the built-in flash of the D810 is not very powerful, it can at times be useful as a fill-in light.

The Nikon D810 has 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 D810 writes its imaging data to Compact Flash or SDXC cards, while the A7R uses SDXC or Memory Stick PRO Duo cards. The D810 features dual card slots, which can be very useful in case a memory card fails. In contrast, the A7R only has one slot. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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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 Nikon D810 and Sony Alpha A7R 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.
 
Nikon D810Ystereo / monoYYmini3.0Y--
2.
 
Sony A7RYstereo / monoYYmicro2.0YY-
3.
 
Canon 5DSYmono / monoY-mini3.0---
4.
 
Nikon D850Ystereo / monoYYmini3.0YYY
5.
 
Nikon D4SYmono / monoYYmini2.0---
6.
 
Nikon D750Ystereo / monoYYmini2.0Y--
7.
 
Nikon DfY- / ---mini2.0---
8.
 
Nikon D610Ymono / monoYYmini2.0---
9.
 
Nikon D600Ymono / monoYYmini2.0---
10.
 
Nikon D800Ymono / monoYYmini3.0---
11.
 
Nikon D800EYmono / monoYYmini3.0---
12.
 
Nikon D700Y- / ---mini2.0---
13.
 
Sony A7C IIYstereo / monoYYmicro3.2Y-Y
14.
 
Sony A7 IVYstereo / monoYYfull3.2Y-Y
15.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
16.
 
Sony A7SYstereo / monoYYmicro2.0YY-
17.
 
Sony A7Ystereo / monoYYmicro2.0YY-
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Studio photographers will appreciate that the Nikon D810 (unlike the A7R) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the D810 and the A7R have been discontinued, but can regularly be found used on ebay. The A7R was replaced by the Sony A7R II, while the D810 was followed by the Nikon D850. Further information on the features and operation of the D810 and A7R can be found, respectively, in the Nikon D810 Manual (free pdf) or the online Sony A7R Manual.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Nikon D810 and the Sony A7R? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Nikon D810:

  • More dynamic range: Captures a larger spectrum of light and dark details (0.7 EV of extra DR).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • Faster burst: Shoots at higher frequency (5 vs 4 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (1200 versus 340) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • 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.
  • More modern: Is somewhat more recent (announced 8 months after the A7R).

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Advantages of the Sony Alpha A7R:

  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.71x vs 0.70x).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • More compact: Is smaller (127x94mm vs 146x123mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 515g or 53 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced into a lower priced category (30 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in October 2013).

If the count of individual advantages (bullet points above) is taken as a guide, the D810 emerges as the winner of the contest (12 : 10 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 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.

D810 12:10 A7R

How about other alternatives? Do the specifications of the Nikon D810 and the Sony A7R 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the D810 or the A7R 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], 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.
 
Nikon D8105/5..5/586/1005/54.5/5 Jun 2014 3,299ebay.com
2.
 
Sony A7R5/5+ +..82/1004.5/55/5 Oct 2013 2,299ebay.com
3.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 3,699ebay.com
4.
 
Nikon D8504.5/5+ +5/589/1004.5/55/5 Jul 2017 3,299 amazon.com
5.
 
Nikon D4S5/5......4.5/54.5/5 Feb 2014 6,499ebay.com
6.
 
Nikon D7505/5+ +4/590/1004.5/54.5/5 Sep 2014 2,299ebay.com
7.
 
Nikon Df4/5....81/1004/54/5 Nov 2013 2,749ebay.com
8.
 
Nikon D6104/5+ +..87/1004.5/54.5/5 Oct 2013 1,999ebay.com
9.
 
Nikon D6004/5+ +..87/1005/54.5/5 Sep 2012 2,099ebay.com
10.
 
Nikon D8005/5+ +..82/1005/55/5 Feb 2012 2,999ebay.com
11.
 
Nikon D800E......84/1005/55/5 Feb 2012 3,299ebay.com
12.
 
Nikon D700..89/100..+ +4.5/54.5/5 Jul 2008 2,999ebay.com
13.
 
Sony A7C II4/5..4/587/1004.5/54.5/5 Aug 2023 2,199 amazon.com
14.
 
Sony A7 IV5/5+ +4.5/589/1004.5/54.5/5 Oct 2021 2,499 amazon.com
15.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 3,199ebay.com
16.
 
Sony A7S4/5....86/1004.5/55/5 Apr 2014 2,499ebay.com
17.
 
Sony A75/5+ +..80/1005/55/5 Oct 2013 1,699ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Nikon D810 vs Sony A7R

    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 Nikon D810 Sony A7R
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Sony E mount lenses
    Launch Date June 2014 October 2013
    Launch Price USD 3,299 USD 2,299
    Sensor Specs Nikon D810 Sony A7R
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 35.9 x 24.0 mm 35.9 x 24.0 mm
    Sensor Area 861.6 mm2 861.6 mm2
    Sensor Diagonal 43.2 mm 43.2 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 36.2 Megapixels 36.2 Megapixels
    Image Resolution 7360 x 4912 pixels 7360 x 4912 pixels
    Pixel Pitch 4.88 μm 4.88 μm
    Pixel Density 4.20 MP/cm2 4.20 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/60p Video 1080/60p Video
    ISO Setting 64 - 12,800 ISO 100 - 25,600 ISO
    ISO Boost 32 - 51,200 ISO 50 - 51,200 ISO
    Image Processor EXPEED 4 BIONZ X
    DXO Sensor Quality (score) 97 95
    DXO Color Depth (bits) 25.7 25.6
    DXO Dynamic Range (EV) 14.8 14.1
    DXO Low Light (ISO) 2853 2746
    Screen Specs Nikon D810 Sony A7R
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x 0.71x
    Viewfinder Resolution 2400k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 1229k dots 1230k dots
    LCD Attachment Fixed screen Tilting screen
    Shooting Specs Nikon D810 Sony A7R
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 5 shutter flaps/s 4 shutter flaps/s
    Shutter Life Expectancy200 000 actuations250 000 actuations
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    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 Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Nikon D810 Sony A7R
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Nikon D810 Sony A7R
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Nikon EN-EL15 Sony NP-FW50
    Battery Life (CIPA)1200 shots per charge340 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 146 x 123 x 82 mm
    (5.7 x 4.8 x 3.2 in)
    127 x 94 x 48 mm
    (5.0 x 3.7 x 1.9 in)
    Camera Weight 980 g (34.6 oz) 465 g (16.4 oz)
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