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Sony A7 II vs Nikon D3400

The Sony Alpha A7 II and the Nikon D3400 are two digital cameras that were officially introduced, respectively, in November 2014 and August 2016. The A7 II is a mirrorless interchangeable lens camera, while the D3400 is a DSLR. The cameras are based on a full frame (A7 II) and an APS-C (D3400) sensor. Both cameras offer a resolution of 24 megapixels. Read on to find out how these two cameras compare with respect to their body size, their sensors, their features, their input-output connections, and their reception by expert reviewers.

Headline Specifications
Sony A7 II   Nikon D3400
Sony A7 II Nikon D3400
Mirrorless system camera Digital single lens reflex
Sony E mount lenses Nikon F mount lenses
24 MP, Full Frame Sensor 24 MP, APS-C Sensor
1080/60p Video 1080/60p Video
ISO 100-25600 (50-51200) ISO 100-25600
Electronic viewfinder (2400k dots) Optical viewfinder
3.0" LCD, 1230k dots 3.0" LCD, 921k dots
Tilting screen (no touchscreen) Fixed screen (not touch-sensitive)
5 shutter flaps per second 5 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodyNot weather sealed
350 shots per battery charge1200 shots per battery charge
127 x 96 x 60 mm, 599 g 124 x 98 x 76 mm, 445 g

Body comparison: Sony A7 II vs Nikon D3400

The physical size and weight of the Sony A7 II and the Nikon D3400 are illustrated in the side-by-side display below. 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 measures are rounded to the nearest millimeter.

The D3400 can be obtained in two different colors (black, red), while the A7 II is only available in black.

Compare Sony A7 II and Nikon D3400
Compare A7 II versus D3400 top
Compare A7 II or D3400 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 II and the Nikon D3400 are of equal size. However, the D3400 is markedly lighter (26 percent) than the A7 II. It is worth mentioning in this context that the A7 II is splash and dust resistant, while the D3400 does not feature any corresponding weather-sealing.

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 Sony FE Lens Catalog (A7 II) and the Nikon Lens Catalog (D3400). Mirrorless cameras, such as the Sony A7 II, have moreover the advantage that they have a relatively short flange to focal plane distance and can thus use many lenses from other systems via adapters.

Concerning battery life, the A7 II gets 350 shots out of its NP-FW50 battery, while the D3400 can take 1200 images on a single charge of its EN-EL14a power pack. The power pack in the A7 II can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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)
Used
Price
(USD)
Camera
Model
 
Sony A7 II» 5.0 in 3.8 in 2.4 in 21.1 oz 350 Y Nov 2014 1,999- i Sony A7 II
 
Nikon D3400« 4.9 in 3.9 in 3.0 in 15.7 oz 1200 n Aug 2016 499- i Nikon D3400
 
Nikon Z6« » 5.3 in 4.0 in 2.6 in 23.8 oz 310 Y Aug 2018 1,999 i i Nikon Z6
 
Nikon D3500« » 4.9 in 3.8 in 2.8 in 12.9 oz 1550 n Aug 2018 429 i i Nikon D3500
 
Nikon D5600« » 4.9 in 3.8 in 2.8 in 16.4 oz 970 n Nov 2016 699 i i Nikon D5600
 
Nikon D5500« » 4.9 in 3.8 in 2.8 in 14.8 oz 820 n Jan 2015 899- i Nikon D5500
 
Nikon D3300« » 4.9 in 3.9 in 3.0 in 15.2 oz 700 n Jan 2014 499- i Nikon D3300
 
Nikon D3200« » 4.9 in 3.8 in 3.0 in 17.8 oz 540 n Apr 2012 599- i Nikon D3200
 
Sony A7 III« » 5.0 in 3.8 in 2.9 in 22.9 oz 610 Y Feb 2018 1,999 i i Sony A7 III
 
Sony A7R III« » 5.0 in 3.8 in 2.9 in 22.9 oz 650 Y Oct 2017 3,199 i i Sony A7R III
 
Sony A9« » 5.0 in 3.8 in 2.5 in 23.7 oz 650 Y Apr 2017 4,499 i i Sony A9
 
Sony A7R II« » 5.0 in 3.8 in 2.4 in 22.0 oz 290 Y Jun 2015 3,199- i Sony A7R II
 
Sony A7S II« » 5.0 in 3.8 in 2.4 in 22.1 oz 370 Y Sep 2015 2,999 i i Sony A7S II
 
Sony A7« » 5.0 in 3.7 in 1.9 in 16.7 oz 340 Y Oct 2013 1,699- i Sony A7
 
Sony A7R« » 5.0 in 3.7 in 1.9 in 16.4 oz 340 Y Oct 2013 2,299- i Sony A7R
 
Sony A77« » 5.6 in 4.1 in 3.2 in 25.8 oz 470 Y Aug 2011 1,399- i Sony A77
 
Sony A850« » 6.1 in 4.6 in 3.2 in 31.6 oz 880 Y Aug 2009 1,999- i Sony A850

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The D3400 was launched at a markedly lower price (by 75 percent) than the A7 II, 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: Sony A7 II vs Nikon D3400

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.

Of the two cameras under consideration, the Sony A7 II features a full frame sensor and the Nikon D3400 an APS-C sensor. The sensor area in the D3400 is 57 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Sony A7 II and Nikon D3400 sensor measures

Even though the A7 II has a larger sensor, both cameras offer the same resolution of 24 megapixels. This implies that the A7 II has a lower pixel density and larger individual pixels (with a pixel pitch of 5.97μm versus 3.91μm for the D3400), which gives it a potential advantage in terms of light gathering capacity. It should, however, be noted that the D3400 is a somewhat more recent model (by 1 year and 8 months) than the A7 II, and its sensor might have benefitted from technological advances during this time that at least partly compensate for the smaller pixel size. Coming back to sensor resolution, it should be mentioned that the D3400 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The A7 II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during video recording.

The Sony Alpha A7 II has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 50-51200. The corresponding ISO settings for the Nikon D3400 are ISO 100 to ISO 25600 (no boost).

A7 II versus D3400 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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"). Of the two cameras under review, the A7 II has a notably higher overall DXO score than the D3400 (overall score 4 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.099999999999998 bits higher color depth, 0.3 EV of lower dynamic range, and 1 stops in additional low light sensitivity. 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
 
Sony A7 II» Full Frame 24.0 6000 40001080/60p24.913.6244990Sony A7 II
 
Nikon D3400« APS-C 24.0 6000 40001080/60p24.813.9119286Nikon D3400
 
Nikon Z6« » Full Frame 24.3 6048 40244K/30p25.314.3329995Nikon Z6
 
Nikon D3500« » APS-C 24.0 6000 40001080/60p----Nikon D3500
 
Nikon D5600« » APS-C 24.0 6000 40001080/60p24.114.0130684Nikon D5600
 
Nikon D5500« » APS-C 24.0 6000 40001080/60p24.114.0143884Nikon D5500
 
Nikon D3300« » APS-C 24.0 6000 40001080/60p24.312.8138582Nikon D3300
 
Nikon D3200« » APS-C 24.1 6016 40001080/30p24.113.2113181Nikon D3200
 
Sony A7 III« » Full Frame 24.0 6000 40004K/30p25.014.7373096Sony A7 III
 
Sony A7R III« » Full Frame 42.2 7952 53044K/30p26.014.73523100Sony A7R III
 
Sony A9« » Full Frame 24.0 6000 40004K/30p24.913.3351792Sony A9
 
Sony A7R II« » Full Frame 42.2 7952 53044K/30p26.013.9343498Sony A7R II
 
Sony A7S II« » Full Frame 12.0 4240 28324K/30p23.613.3299385Sony A7S II
 
Sony A7« » Full Frame 24.0 6000 40001080/60p24.814.2224890Sony A7
 
Sony A7R« » Full Frame 36.2 7360 49121080/60p25.614.1274695Sony A7R
 
Sony A77« » APS-C 24.0 6000 40001080/60p24.013.280178Sony A77
 
Sony A850« » Full Frame 24.4 6048 4032-23.812.2141579Sony A850

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, and both provide the same movie specifications (1080/60p).

 

Feature comparison: Sony A7 II vs Nikon D3400

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A7 II has an electronic viewfinder (2400k dots), while the D3400 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 viewfinder in the A7 II offers a wider field of view (100%) than the one in the D3400 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the A7 II has a higher magnification (0.71x vs 0.57x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Sony A7 II, the Nikon D3400, and comparable cameras.

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
 
Sony A7 II»2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y Sony A7 II
 
Nikon D3400«optical n 3.0 921 fixed n 1/4000s 5.0 Y n Nikon D3400
 
Nikon Z6« »3690 Y 3.2 2100 tilting Y 1/8000s 12.0 n Y Nikon Z6
 
Nikon D3500« »optical n 3.0 921 fixed n 1/4000s 5.0 Y n Nikon D3500
 
Nikon D5600« »optical n 3.2 1037 swivel Y 1/4000s 5.0 Y n Nikon D5600
 
Nikon D5500« »optical n 3.2 1037 swivel Y 1/4000s 5.0 Y n Nikon D5500
 
Nikon D3300« »optical n 3.0 921 fixed n 1/4000s 5.0 Y n Nikon D3300
 
Nikon D3200« »optical n 3.0 921 fixed n 1/4000s 4.0 Y n Nikon D3200
 
Sony A7 III« »2359 n 3.0 922 tilting Y 1/8000s 10.0 n Y Sony A7 III
 
Sony A7R III« »3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y Sony A7R III
 
Sony A9« »3686 n 3.0 1440 tilting Y 1/8000s 20.0 n Y Sony A9
 
Sony A7R II« »2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7R II
 
Sony A7S II« »2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7S II
 
Sony A7« »2400 n 3.0 1230 tilting n 1/8000s 5.0 n n Sony A7
 
Sony A7R« »2400 n 3.0 1230 tilting n 1/8000s 4.0 n n Sony A7R
 
Sony A77« »2359 Y 3.0 921 full-flex n 1/8000s 12.0 Y Y Sony A77
 
Sony A850« »optical Y 3.0 922 fixed n 1/8000s 3.0 n Y Sony A850

One feature that differentiates the A7 II and the D3400 is in-body image stabilization (IBIS). The A7 II reduces the risk of handshake-induced blur with all attached lenses, while the D3400 has to rely on optical image stabilization in OIS-equipped lenses to achieve the same effect.

The A7 II writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the D3400 uses SDXC cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

 

Connectivity comparison: Sony A7 II vs Nikon D3400

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 Sony Alpha A7 II and Nikon D3400 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
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Sony A7 II»YstereomonoYYmicro2.0YY-Sony A7 II
 
Nikon D3400«Ymonomono--mini2.0Y-YNikon D3400
 
Nikon Z6« »YstereomonoYYmicro3.1Y-YNikon Z6
 
Nikon D3500« »Ymonomono--mini2.0Y-YNikon D3500
 
Nikon D5600« »YstereomonoY-mini2.0YYYNikon D5600
 
Nikon D5500« »YstereomonoY-mini2.0Y--Nikon D5500
 
Nikon D3300« »YmonomonoY-mini2.0---Nikon D3300
 
Nikon D3200« »YmonomonoY-mini2.0---Nikon D3200
 
Sony A7 III« »YstereomonoYYmicro3.1YYYSony A7 III
 
Sony A7R III« »YstereomonoYYmicro3.1YYYSony A7R III
 
Sony A9« »YstereomonoYYmicro2.0YYYSony A9
 
Sony A7R II« »YstereomonoYYmicro2.0YY-Sony A7R II
 
Sony A7S II« »YstereomonoYYmicro2.0YY-Sony A7S II
 
Sony A7« »YstereomonoYYmicro2.0YY-Sony A7
 
Sony A7R« »YstereomonoYYmicro2.0YY-Sony A7R
 
Sony A77« »YstereomonoY-mini2.0---Sony A77
 
Sony A850« »Y----mini2.0---Sony A850

It is notable that the A7 II has a microphone port, which is missing on the D3400. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Both the A7 II and the D3400 have been discontinued, but can regularly be found used on eBay. The A7 II was replaced by the Sony A7 III, while the D3400 was followed by the Nikon D3500. Further information on the two cameras, as well as related accessories, can be found on the official Sony and Nikon websites.


Review summary: Sony A7 II vs Nikon D3400

So how do things add up? Which of the two cameras – the Sony A7 II or the Nikon D3400 – has the upper hand? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Sony Alpha A7 II:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Scores markedly higher (4 points) in the DXO overall assessment.
  • Better low-light sensitivity: Requires less light for good images (1 stops ISO advantage).
  • Better video autofocus: Features on-sensor phase-detection for more confident movie autofocus.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.71x vs 0.57x).
  • 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.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More heavily discounted: Has been on the market for longer (launched in November 2014).

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Arguments in favor of the Nikon D3400:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Less heavy: Has a lower weight (by 154g or 26 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (1200 versus 350) out of a single battery charge.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced into a lower priced category (75 percent cheaper at launch).
  • More modern: Was introduced somewhat (1 year and 8 months) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the A7 II is the clear winner of the match-up (17 : 8 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.

A7 II 17:08 D3400

Do the specifications of the Sony A7 II and the Nikon D3400 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR Camera listings.

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 A7 II or the D3400 perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews: Sony A7 II vs Nikon D3400

This is where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo gear review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog).

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Sony A7 II»+82/1004.5/55/55/5 Nov 2014 1,999- i Sony A7 II
 
Nikon D3400«+76/1004/54.5/54.5/5 Aug 2016 499- i Nikon D3400
 
Nikon Z6« »--4.5/5-5/5 Aug 2018 1,999 i i Nikon Z6
 
Nikon D3500« »--4/54.5/54.5/5 Aug 2018 429 i i Nikon D3500
 
Nikon D5600« »-79/1004.5/54.5/54/5 Nov 2016 699 i i Nikon D5600
 
Nikon D5500« »+79/1004.5/55/54.5/5 Jan 2015 899- i Nikon D5500
 
Nikon D3300« »+77/1004.5/54.5/54.5/5 Jan 2014 499- i Nikon D3300
 
Nikon D3200« »++73/1004.5/54.5/54.5/5 Apr 2012 599- i Nikon D3200
 
Sony A7 III« »++89/1005/55/55/5 Feb 2018 1,999 i i Sony A7 III
 
Sony A7R III« »++90/1004.5/55/55/5 Oct 2017 3,199 i i Sony A7R III
 
Sony A9« »++89/1005/55/55/5 Apr 2017 4,499 i i Sony A9
 
Sony A7R II« »++90/1005/54.5/55/5 Jun 2015 3,199- i Sony A7R II
 
Sony A7S II« »+-4.5/55/55/5 Sep 2015 2,999 i i Sony A7S II
 
Sony A7« »++80/1005/54.5/55/5 Oct 2013 1,699- i Sony A7
 
Sony A7R« »++82/1004.5/55/55/5 Oct 2013 2,299- i Sony A7R
 
Sony A77« »91/10081/100-4.5/55/5 Aug 2011 1,399- i Sony A77
 
Sony A850« »-75/100-4/54.5/5 Aug 2009 1,999- i Sony A850
Notes: ++) highly recommended; +) recommended; o) reviewed; -) not available.

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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Sony A7 II:
Check Ebay offers
Nikon D3400:
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. 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: Sony A7 II vs Nikon D3400

    Camera Specifications
    Camera Model Sony A7 II Nikon D3400
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Sony E mount lenses Nikon F mount lenses
    Launch Date November 2014 August 2016
    Launch Price USD 1999 USD 499
    Sensor Specs Sony A7 II Nikon D3400
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 35.8 x 23.9 mm 23.5 x 15.6 mm
    Sensor Area 855.62 mm2 366.6 mm2
    Sensor Diagonal 43 mm 28.2 mm
    Crop Factor 1.0x 1.5x
    Sensor Resolution 24 Megapixels 24 Megapixels
    Image Resolution 6000 x 4000 pixels 6000 x 4000 pixels
    Pixel Pitch 5.97 μm 3.91 μm
    Pixel Density 2.80 MP/cm2 6.55 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/60p Video 1080/60p Video
    ISO Setting 100-25600 ISO 100-25600 ISO
    ISO Boost 50-51200 ISO no Enhancement
    Image Processor BIONZ X EXPEED 4
    DXO Sensor Quality (score) 90 86
    DXO Color Depth (bits) 24.9 24.8
    DXO Dynamic Range (EV) 13.6 13.9
    DXO Low Light (ISO) 2449 1192
    Screen Specs Sony A7 II Nikon D3400
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 95%
    Viewfinder Magnification 0.71x 0.57x
    Viewfinder Resolution 2400k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1230k dots 921k dots
    LCD Attachment Tilting screen Fixed screen
    Shooting Specs Sony A7 II Nikon D3400
    Autofocus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus PeakingNo Peaking Feature
    Continuous Shooting 5 shutter flaps/s 5 shutter flaps/s
    Shutter Life Expectancy200 000 actuations100 000 actuations
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium MS or SDXC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Sony A7 II Nikon D3400
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in no NFC
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Sony A7 II Nikon D3400
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type NP-FW50 power pack EN-EL14a power pack
    Battery Life (CIPA)350 shots per charge1200 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 127 x 96 x 60 mm
    (5.0 x 3.8 x 2.4 in)
    124 x 98 x 76 mm
    (4.9 x 3.9 x 3.0 in)
    Camera Weight 599 g (21.1 oz) 445 g (15.7 oz)

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