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Nikon Df vs Sony A7

The Nikon Df and the Sony Alpha A7 are two enthusiast cameras that were officially introduced, respectively, in November 2013 and October 2013. The Df is a DSLR, while the A7 is a mirrorless interchangeable lens camera. Both cameras are equipped with a full frame sensor. The Nikon has a resolution of 16.2 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
Nikon Df VS Sony A7
Nikon Df Sony A7
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Sony E mount lenses
16.2 MP, Full Frame Sensor 24 MP, Full Frame Sensor
no Video 1080/60p Video
ISO 100-12800 (50-204800) ISO 100-25600 (50-51200)
Optical viewfinder Electronic viewfinder (2400k dots)
3.2" LCD, 921k dots 3.0" LCD, 1230k dots
Fixed screen (not touch-sensitive) Tilting screen (not touch-sensitive)
5.5 shutter flaps per second 5 shutter flaps per second
Weathersealed bodyWeathersealed body
1400 shots per battery charge340 shots per battery charge
144 x 110 x 67 mm, 760 g 127 x 94 x 48 mm, 474 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon Df and the Sony Alpha A7? 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 side-by-side display below illustrates the physical size and weight of the Nikon Df and the Sony A7. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

The Df can be obtained in two different colors (black, silver), while the A7 is only available in black.

Size Nikon Df vs Sony A7
Compare Df versus A7 top
Comparison Df or A7 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 is notably smaller (25 percent) than the Nikon Df. Moreover, the A7 is substantially lighter (38 percent) than the Df. 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 (Df) and the Sony FE Lens Catalog (A7). Mirrorless cameras, such as the A7, 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 Df gets 1400 shots out of its EN-EL14 battery, while the A7 can take 340 images on a single charge of its NP-FW50 power pack. The power pack in the A7 can be charged via the USB port, which can be very convenient when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Nikon Df» 5.7 in 4.3 in 2.6 in 26.8 oz 1400 Y Nov 2013 2,749 iNikon Df
 
Sony A7« 5.0 in 3.7 in 1.9 in 16.7 oz 340 Y Oct 2013 1,699iSony A7
 
Nikon D850« » 5.7 in 4.9 in 3.1 in 35.5 oz 1840 Y Jul 2017 3,299 iNikon D850
 
Nikon D4S« » 6.3 in 6.2 in 3.6 in 47.6 oz 3020 Y Feb 2014 6,499iNikon D4S
 
Nikon D750« » 5.6 in 4.4 in 3.1 in 26.5 oz 1230 Y Sep 2014 2,299iNikon D750
 
Nikon D810« » 5.7 in 4.8 in 3.2 in 34.6 oz 1200 Y Jun 2014 3,299iNikon D810
 
Nikon D610« » 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Oct 2013 1,999 iNikon D610
 
Nikon D4« » 6.3 in 6.2 in 3.6 in 47.3 oz 2600 Y Jan 2012 5,999iNikon D4
 
Nikon D600« » 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Sep 2012 2,099iNikon D600
 
Nikon D800« » 5.7 in 4.8 in 3.2 in 35.3 oz 900 Y Feb 2012 2,999iNikon D800
 
Nikon D800E« » 5.7 in 4.8 in 3.2 in 35.3 oz 900 Y Feb 2012 3,299iNikon D800E
 
Nikon D700« » 5.8 in 4.8 in 3.0 in 37.9 oz 1000 Y Jul 2008 2,999iNikon D700
 
Sony A7 II« » 5.0 in 3.8 in 2.4 in 21.1 oz 350 Y Nov 2014 1,999iSony A7 II
 
Sony A7S« » 5.0 in 3.7 in 1.9 in 17.2 oz 380 Y Apr 2014 2,499iSony A7S
 
Sony A7R« » 5.0 in 3.7 in 1.9 in 16.4 oz 340 Y Oct 2013 2,299iSony A7R
 
Sony RX1R« » 4.4 in 2.6 in 2.8 in 17.0 oz 270 n Jun 2013 2,799iSony RX1R
 
Sony RX1« » 4.4 in 2.6 in 2.8 in 17.0 oz 270 n Sep 2012 2,799iSony RX1
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. 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 A7 was launched at a markedly lower price (by 38 percent) than the Df, 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 size of the sensor inside a digital camera is one of the key determinants 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 tend to be associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature a full frame sensor, but their sensors differ slightly in size. 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.

Nikon Df and Sony A7 sensor measures

Despite having a slightly smaller sensor, the A7 offers a higher resolution of 24 megapixels, compared with 16.2 MP of the Df. 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 5.97μm versus 7.29μm for the Df). It is noteworthy in this context that the two cameras were released in close succession, so that their sensors are from the same technological generation.

The resolution advantage of the Sony A7 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7 for good quality output (200 dots per inch) amounts to 30 x 20 inch or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inch or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inch or 50.8 x 33.9 cm. The corresponding values for the Nikon Df are 24.6 x 16.4 inch or 62.6 x 41.7 cm for good quality, 19.7 x 13.1 inch or 50.1 x 33.3 cm for very good quality, and 16.4 x 10.9 inch or 41.7 x 27.8 cm for excellent quality prints.

The A7 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Nikon Df has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 50-204800. The corresponding ISO settings for the Sony Alpha A7 are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.

Df versus A7 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 adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Nikon Df Full Frame 16.2 4928 3280none24.613.1327989Nikon Df
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890Sony A7
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100Nikon D850
 
Nikon D4S Full Frame 16.2 4928 32801080/60p24.413.3307489Nikon D4S
 
Nikon D750 Full Frame 24.2 6016 40161080/60p24.814.5295693Nikon D750
 
Nikon D810 Full Frame 36.2 7360 49121080/60p25.714.8285397Nikon D810
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594Nikon D610
 
Nikon D4 Full Frame 16.2 4928 32801080/30p24.713.1296589Nikon D4
 
Nikon D600 Full Frame 24.2 6016 40161080/30p25.114.2298094Nikon D600
 
Nikon D800 Full Frame 36.2 7360 49121080/30p25.314.4285395Nikon D800
 
Nikon D800E Full Frame 36.2 7360 49121080/30p25.614.3297996Nikon D800E
 
Nikon D700 Full Frame 12.1 4256 2832none23.512.2230380Nikon D700
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II
 
Sony A7S Full Frame 12.0 4240 28321080/60p23.913.2370287Sony A7S
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695Sony A7R
 
Sony RX1R Full Frame 24.0 6000 40001080/60p25.013.6253791Sony RX1R
 
Sony RX1 Full Frame 24.0 6000 40001080/60p25.114.3253493Sony RX1

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The A7 indeed provides for movie recording, while the Df does not. The highest resolution format that the A7 can use is 1080/60p.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7 has an electronic viewfinder (2400k dots), while the Df 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 has a higher magnification than the one of the Df (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 Df and Sony A7 along with similar information for a selection of comparators.

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
Camera
Model
 
Nikon Dfoptical Y 3.2 921 fixed n 1/4000s 5.5 n n Nikon Df
 
Sony A72400 n 3.0 1230 tilting n 1/8000s 5.0 n n Sony A7
 
Nikon D850optical Y 3.2 2359 tilting Y 1/8000s 9.0 n n Nikon D850
 
Nikon D4Soptical Y 3.2 921 fixed n 1/8000s 11.0 n n Nikon D4S
 
Nikon D750optical Y 3.2 1229 tilting n 1/4000s 6.0 Y n Nikon D750
 
Nikon D810optical Y 3.2 1229 fixed n 1/8000s 5.0 Y n Nikon D810
 
Nikon D610optical Y 3.2 921 fixed n 1/4000s 6.0 Y n Nikon D610
 
Nikon D4optical Y 3.2 921 fixed n 1/8000s 11.0 n n Nikon D4
 
Nikon D600optical Y 3.0 921 fixed n 1/4000s 5.5 Y n Nikon D600
 
Nikon D800optical Y 3.2 921 fixed n 1/8000s 4.0 Y n Nikon D800
 
Nikon D800Eoptical Y 3.2 921 fixed n 1/8000s 4.0 Y n Nikon D800E
 
Nikon D700optical Y 3.0 922 fixed n 1/8000s 8.0 Y n Nikon D700
 
Sony A7 II2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y Sony A7 II
 
Sony A7S2400 n 3.0 921 tilting n 1/8000s 5.0 n n Sony A7S
 
Sony A7R2400 n 3.0 1230 tilting n 1/8000s 4.0 n n Sony A7R
 
Sony RX1Roptional n 3.0 1229 fixed n 1/4000s 5.0 Y n Sony RX1R
 
Sony RX1optional n 3.0 1229 fixed n 1/4000s 5.0 Y n Sony RX1

One feature that is present on the Df, but is missing on the A7 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The Nikon Df 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 Df writes its imaging data to SDXC cards, while the A7 uses SDXC or Memory Stick PRO Duo 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 Nikon Df and Sony Alpha A7 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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
Camera
Model
 
Nikon DfYnonenone--mini2.0---Nikon Df
 
Sony A7YstereomonoYYmicro2.0YY-Sony A7
 
Nikon D850YstereomonoYYmini3.0YYYNikon D850
 
Nikon D4SYmonomonoYYmini2.0---Nikon D4S
 
Nikon D750YstereomonoYYmini2.0Y--Nikon D750
 
Nikon D810YstereomonoYYmini3.0Y--Nikon D810
 
Nikon D610YmonomonoYYmini2.0---Nikon D610
 
Nikon D4YmonomonoYYmicro2.0---Nikon D4
 
Nikon D600YmonomonoYYmini2.0---Nikon D600
 
Nikon D800YmonomonoYYmini3.0---Nikon D800
 
Nikon D800EYmonomonoYYmini3.0---Nikon D800E
 
Nikon D700Ynonenone--mini2.0---Nikon D700
 
Sony A7 IIYstereomonoYYmicro2.0YY-Sony A7 II
 
Sony A7SYstereomonoYYmicro2.0YY-Sony A7S
 
Sony A7RYstereomonoYYmicro2.0YY-Sony A7R
 
Sony RX1RYstereomonoY-mini2.0---Sony RX1R
 
Sony RX1YstereomonoY-mini2.0---Sony RX1

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

Studio photographers will appreciate that the Nikon Df (unlike the A7) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The Df is a recent model that features in the current product line-up of Nikon. In contrast, the A7 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the A7 was succeeded by the Sony A7 II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon and Sony websites.

Review summary

So how do things add up? Is there a clear favorite between the Nikon Df and the Sony A7? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Nikon Df:

  • Better low-light sensitivity: Requires less light for good images (0.5 stops ISO advantage).
  • 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.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (1400 versus 340) on a single battery charge.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.

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Arguments in favor of the Sony Alpha A7:

  • More detail: Has more megapixels (24 vs 16.2MP), which boosts linear resolution by 22%.
  • More dynamic range: Captures a broader range of light and dark details (1.1 EV of extra DR).
  • Broader imaging potential: Can capture not only stills but also 1080/60p 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 (0.71x vs 0.70x).
  • More detailed LCD: Has a higher resolution rear screen (1230k vs 921k 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.
  • More compact: Is smaller (127x94mm vs 144x110mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 286g or 38 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 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.
  • More affordable: Was introduced into a lower priced category (38 percent cheaper at launch).

If the count of individual advantages (bullet points above) is taken as a guide, the A7 is the clear winner of the contest (15 : 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 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.

Df 07:15 A7

How about other alternatives? Do the specifications of the Nikon Df and the Sony A7 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 Df and the A7 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 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 (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.

Review Scores
  Camera
Model
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Nikon Df..81/1004/54/54/5 Nov 2013 2,749 iNikon Df
 
Sony A7+ +80/1005/54.5/55/5 Oct 2013 1,699iSony A7
 
Nikon D850+ +89/1004.5/55/55/5 Jul 2017 3,299 iNikon D850
 
Nikon D4S....4.5/55/54.5/5 Feb 2014 6,499iNikon D4S
 
Nikon D750+ +90/1004.5/55/54.5/5 Sep 2014 2,299iNikon D750
 
Nikon D810..86/1005/54.5/54.5/5 Jun 2014 3,299iNikon D810
 
Nikon D610+ +87/1004.5/54.5/54.5/5 Oct 2013 1,999 iNikon D610
 
Nikon D4....4.5/5..4.5/5 Jan 2012 5,999iNikon D4
 
Nikon D600+ +87/1005/54.5/54.5/5 Sep 2012 2,099iNikon D600
 
Nikon D800+ +82/1005/55/55/5 Feb 2012 2,999iNikon D800
 
Nikon D800E..84/1005/54.5/55/5 Feb 2012 3,299iNikon D800E
 
Nikon D70089/100+ +4.5/55/54.5/5 Jul 2008 2,999iNikon D700
 
Sony A7 II+82/1004.5/55/55/5 Nov 2014 1,999iSony A7 II
 
Sony A7S..86/1004.5/54.5/55/5 Apr 2014 2,499iSony A7S
 
Sony A7R+ +82/1004.5/55/55/5 Oct 2013 2,299iSony A7R
 
Sony RX1R....4/5o4.5/5 Jun 2013 2,799iSony RX1R
 
Sony RX1..79/1004/54.5/54.5/5 Sep 2012 2,799iSony RX1
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted 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. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Nikon Df:
Check Amazon price
Sony A7:
Check Ebay offers

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: Nikon Df vs Sony A7

    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 Df Sony A7
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Sony E mount lenses
    Launch Date November 2013 October 2013
    Launch Price USD 2749 USD 1699
    Sensor Specs Nikon Df Sony A7
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 36.0 x 23.9 mm 35.8 x 23.9 mm
    Sensor Area 860.4 mm2 855.62 mm2
    Sensor Diagonal 43.2 mm 43 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 16.2 Megapixels 24 Megapixels
    Image Resolution 4928 x 3280 pixels 6000 x 4000 pixels
    Pixel Pitch 7.29 μm 5.97 μm
    Pixel Density 1.88 MP/cm2 2.80 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 1080/60p Video
    ISO Setting 100-12800 ISO 100-25600 ISO
    ISO Boost 50-204800 ISO 50-51200 ISO
    Image Processor EXPEED 3 BIONZ X
    DXO Sensor Quality (score) 89 90
    DXO Color Depth (bits) 24.6 24.8
    DXO Dynamic Range (EV) 13.1 14.2
    DXO Low Light (ISO) 3279 2248
    Screen Specs Nikon Df Sony A7
    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 3.2 inch 3.0 inch
    LCD Resolution 921k dots 1230k dots
    LCD Attachment Fixed screen Tilting screen
    Shooting Specs Nikon Df Sony A7
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing AidNo Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000/s 1/8000/s
    Continuous Shooting 5.5 shutter flaps/s 5 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Nikon Df Sony A7
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Nikon Df Sony A7
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type EN-EL14 NP-FW50
    Battery Life (CIPA)1400 shots per charge340 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 144 x 110 x 67 mm
    (5.7 x 4.3 x 2.6 in)
    127 x 94 x 48 mm
    (5.0 x 3.7 x 1.9 in)
    Camera Weight 760 g (26.8 oz) 474 g (16.7 oz)

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