Nikon D3400 vs Sony A7S II
The Nikon D3400 and the Sony Alpha 7S II are two digital cameras that were announced, respectively, in August 2016 and September 2015. The D3400 is a DSLR, while the A7S II is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D3400) and a full frame (A7S II) sensor. The Nikon has a resolution of 24 megapixels, whereas the Sony provides 12 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D3400 and the Sony Alpha 7S II? 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.
An illustration of the physical size and weight of the Nikon D3400 and the Sony A7S II is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures are rounded to the nearest millimeter.
The D3400 can be obtained in two different colors (black, red), while the A7S II is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon D3400 and the Sony A7S II are of equal size. However, the A7S II is substantially heavier (41 percent) than the D3400. It is noteworthy in this context that the A7S II is splash and dust-proof, 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 Nikon Lens Catalog (D3400) and the Sony FE Lens Catalog (A7S II). Mirrorless cameras, such as the A7S II, 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 D3400 gets 1200 shots out of its EN-EL14a battery, while the A7S II can take 370 images on a single charge of its NP-FW50 power pack. The power pack in the A7S II 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. 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.
|1.||Nikon D3400||124 mm||98 mm||76 mm||445 g||1200||n||Aug 2016||499||ebay.com|
|2.||Sony A7S II||127 mm||96 mm||60 mm||627 g||370||Y||Sep 2015||2,999||ebay.com|
|3.||Canon SL2||122 mm||93 mm||70 mm||453 g||650||n||Jun 2017||549||ebay.com|
|4.||Nikon D3500||124 mm||97 mm||70 mm||415 g||1550||n||Aug 2018||429||amazon.com|
|5.||Nikon D5600||124 mm||97 mm||70 mm||465 g||970||n||Nov 2016||699||amazon.com|
|6.||Nikon D500||147 mm||115 mm||81 mm||860 g||1240||Y||Jan 2016||1,999||amazon.com|
|7.||Nikon D5500||124 mm||97 mm||70 mm||470 g||820||n||Jan 2015||899||ebay.com|
|8.||Nikon D7200||136 mm||107 mm||76 mm||765 g||1110||Y||Mar 2015||1,199||ebay.com|
|9.||Nikon D3300||124 mm||98 mm||76 mm||430 g||700||n||Jan 2014||499||ebay.com|
|10.||Nikon D5300||125 mm||98 mm||76 mm||480 g||600||n||Oct 2013||799||ebay.com|
|11.||Nikon D3200||125 mm||96 mm||77 mm||505 g||540||n||Apr 2012||599||ebay.com|
|12.||Nikon D5200||129 mm||98 mm||78 mm||555 g||500||n||Nov 2012||749||ebay.com|
|13.||Sony A7 IV||131 mm||96 mm||80 mm||659 g||580||Y||Oct 2021||2,499||amazon.com|
|14.||Sony A7S III||127 mm||97 mm||81 mm||699 g||600||Y||Jul 2020||3,499||amazon.com|
|15.||Sony A7R II||127 mm||96 mm||60 mm||625 g||290||Y||Jun 2015||3,199||ebay.com|
|16.||Sony A7 II||127 mm||96 mm||60 mm||599 g||350||Y||Nov 2014||1,999||ebay.com|
|17.||Sony A7S||127 mm||94 mm||48 mm||489 g||380||Y||Apr 2014||2,499||ebay.com|
|Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.|
Any camera decision will naturally be influenced heavily by the price. 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 83 percent) than the A7S II, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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.
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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the 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 Nikon D3400 features an APS-C sensor and the Sony A7S II a full frame sensor. The sensor area in the A7S II is 131 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
Despite having a smaller sensor, the Nikon D3400 offers a higher resolution of 24 megapixels, compared with 12 MP of the Sony A7S II. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.91μm versus 8.40μm for the A7S II). However, it should be noted that the D3400 is a somewhat more recent model (by 11 months) than the A7S II, and its sensor might have benefitted from technological advances during this time that partly offset its pixel-size disadvantage. 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 resolution advantage of the Nikon D3400 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the D3400 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 Sony A7S II are 21.2 x 14.2 inches or 53.8 x 36 cm for good quality, 17 x 11.3 inches or 43.1 x 28.8 cm for very good quality, and 14.1 x 9.4 inches or 35.9 x 24 cm for excellent quality prints.
The Nikon D3400 has a native sensitivity range from ISO 100 to ISO 25600. The corresponding ISO settings for the Sony Alpha 7S II are ISO 100 to ISO 102400, with the possibility to increase the ISO range to 50-409600.
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.
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"). 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.
|2.||Sony A7S II||Full Frame||12.0||4240||2832||4K/30p||23.6||13.3||2993||85|
|13.||Sony A7 IV||Full Frame||32.7||7008||4672||4K/60p||25.4||14.7||3379||97|
|14.||Sony A7S III||Full Frame||12.0||4240||2832||4K/120p||23.7||13.9||2520||86|
|15.||Sony A7R II||Full Frame||42.2||7952||5304||4K/30p||26.0||13.9||3434||98|
|16.||Sony A7 II||Full Frame||24.0||6000||4000||1080/60p||24.9||13.6||2449||90|
|17.||Sony A7S||Full Frame||12.0||4240||2832||1080/60p||23.9||13.2||3702||87|
|Note: DXO values in italics represent estimates based on sensor size and age.|
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 A7S II provides a better video resolution than the D3400. It can shoot movie footage at 4K/30p, while the Nikon is limited to 1080/60p.
Beyond body and sensor, cameras can and do differ across a range of features. For example, the A7S 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 A7S 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 A7S II has a higher magnification (0.78x 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 Nikon D3400, the Sony A7S II, and comparable cameras.
|1.||Nikon D3400||optical||n||3.0 / 921||fixed||n||1/4000s||5.0/s||Y||n|
|2.||Sony A7S II||2400||n||3.0 / 1229||tilting||n||1/8000s||5.0/s||n||Y|
|3.||Canon SL2||optical||n||3.0 / 1040||swivel||Y||1/4000s||5.0/s||Y||n|
|4.||Nikon D3500||optical||n||3.0 / 921||fixed||n||1/4000s||5.0/s||Y||n|
|5.||Nikon D5600||optical||n||3.2 / 1037||swivel||Y||1/4000s||5.0/s||Y||n|
|6.||Nikon D500||optical||Y||3.2 / 2359||tilting||Y||1/8000s||10.0/s||n||n|
|7.||Nikon D5500||optical||n||3.2 / 1037||swivel||Y||1/4000s||5.0/s||Y||n|
|8.||Nikon D7200||optical||Y||3.2 / 1229||fixed||n||1/8000s||6.0/s||Y||n|
|9.||Nikon D3300||optical||n||3.0 / 921||fixed||n||1/4000s||5.0/s||Y||n|
|10.||Nikon D5300||optical||n||3.2 / 1037||swivel||n||1/4000s||5.0/s||Y||n|
|11.||Nikon D3200||optical||n||3.0 / 921||fixed||n||1/4000s||4.0/s||Y||n|
|12.||Nikon D5200||optical||n||3.0 / 921||swivel||n||1/4000s||5.0/s||Y||n|
|13.||Sony A7 IV||3686||n||3.0 / 1037||swivel||Y||1/8000s||10.0/s||n||Y|
|14.||Sony A7S III||9440||n||3.0 / 1440||swivel||Y||1/8000s||10.0/s||n||Y|
|15.||Sony A7R II||2400||n||3.0 / 1229||tilting||n||1/8000s||5.0/s||n||Y|
|16.||Sony A7 II||2400||n||3.0 / 1230||tilting||n||1/8000s||5.0/s||n||Y|
|17.||Sony A7S||2400||n||3.0 / 921||tilting||n||1/8000s||5.0/s||n||n|
|Notes: *) 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 D3400 has one, while the A7S II does not. While the built-in flash of the D3400 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 A7S II 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 D3400 writes its imaging data to SDXC cards, while the A7S II 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.
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 D3400 and Sony Alpha 7S II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Nikon D3400||Y||mono / mono||-||-||mini||2.0||-||-||Y|
|2.||Sony A7S II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|3.||Canon SL2||Y||stereo / mono||Y||-||mini||2.0||Y||Y||Y|
|4.||Nikon D3500||Y||mono / mono||-||-||mini||2.0||-||-||Y|
|5.||Nikon D5600||Y||stereo / mono||Y||-||mini||2.0||Y||Y||Y|
|6.||Nikon D500||Y||stereo / mono||Y||Y||mini||3.0||Y||Y||Y|
|7.||Nikon D5500||Y||stereo / mono||Y||-||mini||2.0||Y||-||-|
|8.||Nikon D7200||Y||stereo / mono||Y||Y||mini||2.0||Y||Y||-|
|9.||Nikon D3300||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|10.||Nikon D5300||Y||stereo / mono||Y||-||mini||2.0||Y||-||-|
|11.||Nikon D3200||Y||mono / mono||Y||-||mini||2.0||-||-||-|
|12.||Nikon D5200||Y||stereo / mono||Y||-||mini||2.0||-||-||-|
|13.||Sony A7 IV||Y||stereo / mono||Y||Y||full||3.2||Y||-||Y|
|14.||Sony A7S III||Y||stereo / mono||Y||Y||full||3.2||Y||-||Y|
|15.||Sony A7R II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|16.||Sony A7 II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
|17.||Sony A7S||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
It is notable that the A7S II offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the D3400 does not provide wifi capability.
Both the D3400 and the A7S II have been discontinued, but can regularly be found used on ebay. The A7S II was replaced by the Sony A7S III, while the D3400 was followed by the Nikon D3500. Further information on the features and operation of the D3400 and A7S II can be found, respectively, in the Nikon D3400 Manual (free pdf) or the online Sony A7S II Manual.
So what conclusions can be drawn? Is there a clear favorite between the Nikon D3400 and the Sony A7S II? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.
Reasons to prefer the Nikon D3400:
- More detail: Offers more megapixels (24 vs 12MP) with a 41% higher linear resolution.
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- Richer colors: Generates images with noticeably better colors (1.2 bits more color depth).
- More dynamic range: Captures a larger spectrum of light and dark details (0.6 EV of extra DR).
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- Less heavy: Is lighter (by 182g or 29 percent) and hence easier to carry around.
- Longer lasting: Can take more shots (1200 versus 370) on a single battery charge.
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- Easier wireless transfer: Supports Bluetooth for image sharing without cables.
- More affordable: Was introduced into a lower priced category (83 percent cheaper at launch).
- More modern: Is somewhat more recent (announced 11 months after the A7S II).
Arguments in favor of the Sony Alpha 7S II:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Better low-light sensitivity: Can shoot in dim conditions (1.3 stops ISO advantage).
- Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
- 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 (0.78x vs 0.57x).
- More detailed LCD: Has a higher resolution rear screen (1229k 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.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- Easier travel charging: Can be conveniently charged via its USB port.
- Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
- 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.
- More heavily discounted: Has been on the market for longer (launched in September 2015).
If the number of relative strengths (bullet points above) is taken as a guide, the A7S II is the clear winner of the contest (19 : 11 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding 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.
How about other alternatives? Do the specifications of the Nikon D3400 and the Sony A7S II 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 D3400 or the A7S II 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.
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.
|1.||Nikon D3400||4/5||+||4/5||76/100||4/5||4.5/5||Aug 2016||499||ebay.com|
|2.||Sony A7S II||5/5||+||..||..||4.5/5||5/5||Sep 2015||2,999||ebay.com|
|3.||Canon SL2||4/5||+ +||4/5||78/100||4.5/5||4.5/5||Jun 2017||549||ebay.com|
|4.||Nikon D3500||4/5||..||4/5||75/100||4/5||4.5/5||Aug 2018||429||amazon.com|
|5.||Nikon D5600||4/5||..||4/5||79/100||4.5/5||4/5||Nov 2016||699||amazon.com|
|6.||Nikon D500||5/5||+ +||4.7/5||91/100||4.5/5||5/5||Jan 2016||1,999||amazon.com|
|7.||Nikon D5500||5/5||+||..||79/100||4.5/5||4.5/5||Jan 2015||899||ebay.com|
|8.||Nikon D7200||4/5||+ +||..||84/100||4.5/5||4.5/5||Mar 2015||1,199||ebay.com|
|9.||Nikon D3300||3/5||+||..||77/100||4.5/5||4.5/5||Jan 2014||499||ebay.com|
|10.||Nikon D5300||4/5||+ +||..||79/100||4.5/5||4.5/5||Oct 2013||799||ebay.com|
|11.||Nikon D3200||5/5||+ +||..||73/100||4.5/5||4.5/5||Apr 2012||599||ebay.com|
|12.||Nikon D5200||4/5||+ +||..||79/100||4.5/5||4.5/5||Nov 2012||749||ebay.com|
|13.||Sony A7 IV||5/5||+ +||4.5/5||89/100||4.5/5||4.5/5||Oct 2021||2,499||amazon.com|
|14.||Sony A7S III||4.5/5||+ +||5/5||91/100||4.5/5||5/5||Jul 2020||3,499||amazon.com|
|15.||Sony A7R II||5/5||+ +||5/5||90/100||5/5||5/5||Jun 2015||3,199||ebay.com|
|16.||Sony A7 II||5/5||+||4/5||82/100||4.5/5||5/5||Nov 2014||1,999||ebay.com|
|17.||Sony A7S||4/5||..||..||86/100||4.5/5||5/5||Apr 2014||2,499||ebay.com|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
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. 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.
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 your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.
- Canon G1 X Mark II vs Nikon D3400
- Canon G1 X vs Nikon D3400
- Canon SL2 vs Nikon D3400
- Fujifilm X-T100 vs Sony A7S II
- Leica T vs Sony A7S II
- Leica TL2 vs Sony A7S II
- Nikon D3400 vs Nikon D40X
- Nikon D3400 vs Olympus E-620
- Nikon D3400 vs Panasonic G1
- Nikon D600 vs Sony A7S II
- Panasonic FZ1000 II vs Sony A7S II
- Sony A7S II vs Sony ZV-E10
Specifications: Nikon D3400 vs Sony A7S II
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 Model||Nikon D3400||Sony A7S II|
|Camera Type||Digital single lens reflex||Mirrorless system camera|
|Camera Lens||Nikon F mount lenses||Sony E mount lenses|
|Launch Date||August 2016||September 2015|
|Launch Price||USD 499||USD 2,999|
|Sensor Specs||Nikon D3400||Sony A7S II|
|Sensor Format||APS-C Sensor||Full Frame Sensor|
|Sensor Size||23.5 x 15.6 mm||35.6 x 23.8 mm|
|Sensor Area||366.6 mm2||847.28 mm2|
|Sensor Diagonal||28.2 mm||42.8 mm|
|Sensor Resolution||24 Megapixels||12 Megapixels|
|Image Resolution||6000 x 4000 pixels||4240 x 2832 pixels|
|Pixel Pitch||3.91 μm||8.40 μm|
|Pixel Density||6.55 MP/cm2||1.42 MP/cm2|
|Moiré control||no AA filter||Anti-Alias filter|
|Movie Capability||1080/60p Video||4K/30p Video|
|ISO Setting||100 - 25,600 ISO||100 - 102,400 ISO|
|ISO Boost||no Enhancement||50 - 409,600 ISO|
|Image Processor||EXPEED 4||BIONZ X|
|DXO Sensor Quality (score)||86||85|
|DXO Color Depth (bits)||24.8||23.6|
|DXO Dynamic Range (EV)||13.9||13.3|
|DXO Low Light (ISO)||1192||2993|
|Screen Specs||Nikon D3400||Sony A7S II|
|Viewfinder Type||Optical viewfinder||Electronic viewfinder|
|Viewfinder Field of View||95%||100%|
|Viewfinder Resolution||2400k dots|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.0inch|
|LCD Resolution||921k dots||1229k dots|
|LCD Attachment||Fixed screen||Tilting screen|
|Shooting Specs||Nikon D3400||Sony A7S II|
|Focus System||Phase-detect AF||Contrast-detect AF|
|Manual Focusing Aid||no Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/4000s||1/8000s|
|Continuous Shooting||5 shutter flaps/s||5 shutter flaps/s|
|Shutter Life Expectancy||100 000 actuations||200 000 actuations|
|Electronic Shutter||no E-Shutter||YES|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||Built-in Flash||no On-Board Flash|
|Storage Medium||SDXC cards||MS or SDXC cards|
|Single or Dual Card Slots||Single card slot||Single card slot|
|UHS card support||UHS-I||UHS-I|
|Connectivity Specs||Nikon D3400||Sony A7S II|
|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|
|Bluetooth Support||Bluetooth built-in||no Bluetooth|
|Body Specs||Nikon D3400||Sony A7S II|
|Environmental Sealing||not weather sealed||Weathersealed body|
|Battery Life (CIPA)||1200 shots per charge||370 shots per charge|
|In-Camera Charging||no USB charging||USB charging|
124 x 98 x 76 mm
(4.9 x 3.9 x 3.0 in)
127 x 96 x 60 mm
(5.0 x 3.8 x 2.4 in)
|Camera Weight||445 g (15.7 oz)||627 g (22.1 oz)|
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