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Sony A7S II vs NEX-F3

The Sony Alpha 7S II and the Sony Alpha NEX-F3 are two digital cameras that were announced, respectively, in September 2015 and May 2012. Both the A7S II and the NEX-F3 are mirrorless interchangeable lens cameras that are based on a full frame (A7S II) and an APS-C (NEX-F3) sensor. The A7S II has a resolution of 12 megapixels, whereas the NEX-F3 provides 16 MP.

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

Headline Specifications
Sony A7S II VS Sony NEX-F3
Sony A7S II Sony NEX-F3
Mirrorless system camera Mirrorless system camera
Sony E mount lenses Sony E mount lenses
12 MP, Full Frame Sensor 16 MP, APS-C Sensor
4K/30p Video 1080/60i Video
ISO 100-102400 (50-409600) ISO 100-16000
Electronic viewfinder (2400k dots) Viewfinder optional
3.0" LCD, 1229k dots 3.0" LCD, 920k dots
Tilting screen (no touchscreen) Tilting screen (not touch-sensitive)
5 shutter flaps per second 5.5 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodyNot weather sealed
370 shots per battery charge470 shots per battery charge
127 x 96 x 60 mm, 627 g 117 x 67 x 42 mm, 314 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha 7S II and the Sony Alpha NEX-F3? 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

An illustration of the physical size and weight of the Sony A7S II and the Sony NEX-F3 is provided 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 dimensions are rounded to the nearest millimeter.

The NEX-F3 can be obtained in three different colors (black, silver, white), while the A7S II is only available in black.

Size Sony A7S II vs Sony NEX-F3
Compare A7S II versus NEX-F3 top
Comparison A7S II or NEX-F3 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony NEX-F3 is considerably smaller (36 percent) than the Sony A7S II. Moreover, the NEX-F3 is substantially lighter (50 percent) than the A7S II. It is worth mentioning in this context that the A7S II is splash and dust resistant, while the NEX-F3 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 (A7S II) and the Sony E-Mount Lens Catalog (NEX-F3). Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.

The power pack in the A7S II can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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
 
Sony A7S II» 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999 iSony A7S II
 
Sony NEX-F3« 117 mm 67 mm 42 mm 314 g 470 n May 2012 599iSony NEX-F3
 
Olympus E-M1 II« » 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 1,999 iOlympus E-M1 II
 
Sony A9 II« » 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 iSony A9 II
 
Sony A7R IV« » 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499 iSony A7R IV
 
Sony A7 III« » 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 iSony A7 III
 
Sony A7R III« » 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199iSony A7R III
 
Sony A9« » 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499iSony A9
 
Sony A99 II« » 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199 iSony A99 II
 
Sony A7R II« » 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199iSony A7R II
 
Sony A7 II« » 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999iSony A7 II
 
Sony A7S« » 127 mm 94 mm 48 mm 489 g 380 Y Apr 2014 2,499iSony A7S
 
Sony NEX-3N« » 110 mm 62 mm 35 mm 269 g 480 n Feb 2013 499iSony NEX-3N
 
Sony NEX-5R« » 111 mm 59 mm 39 mm 276 g 330 n Aug 2012 749iSony NEX-5R
 
Sony NEX-5N« » 111 mm 59 mm 38 mm 269 g 460 n Aug 2011 699iSony NEX-5N
 
Sony NEX-3« » 117 mm 62 mm 33 mm 297 g 330 n May 2010 599iSony NEX-3
 
Sony NEX-5« » 111 mm 59 mm 38 mm 287 g 330 n May 2010 699iSony NEX-5
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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The NEX-F3 was launched at a markedly lower price (by 80 percent) than the A7S 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

The size of the sensor inside a digital camera is one of the key determinants 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Sony A7S II features a full frame sensor and the Sony NEX-F3 an APS-C sensor. The sensor area in the NEX-F3 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 A7S II and Sony NEX-F3 sensor measures

Despite having a smaller sensor, the NEX-F3 offers a higher resolution of 16 megapixels, compared with 12 MP of the 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 4.78μm versus 8.40μm for the A7S II). Moreover, it should be noted that the A7S II is much more recent (by 3 years and 3 months) than the NEX-F3, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

The resolution advantage of the Sony NEX-F3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the NEX-F3 for good quality output (200 dots per inch) amounts to 24.6 x 16.3 inch or 62.4 x 41.5 cm, for very good quality (250 dpi) 19.6 x 13.1 inch or 49.9 x 33.2 cm, and for excellent quality (300 dpi) 16.4 x 10.9 inch or 41.6 x 27.6 cm. The corresponding values for the Sony A7S II are 21.2 x 14.2 inch or 53.8 x 36 cm for good quality, 17 x 11.3 inch or 43.1 x 28.8 cm for very good quality, and 14.1 x 9.4 inch or 35.9 x 24 cm for excellent quality prints.

The Sony Alpha 7S II has a native sensitivity range from ISO 100 to ISO 102400, which can be extended to ISO 50-409600. The corresponding ISO settings for the Sony Alpha NEX-F3 are ISO 100 to ISO 16000 (no boost).

A7S II versus NEX-F3 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 A7S II provides substantially higher image quality than the NEX-F3, with an overall score that is 12 points higher. This advantage is based on 0.9 bits higher color depth, 1 EV in additional dynamic range, and 1.4 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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 A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385Sony A7S II
 
Sony NEX-F3 APS-C 16.0 4912 32641080/60i22.712.3111473Sony NEX-F3
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280Olympus E-M1 II
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493Sony A9 II
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p........Sony A7R IV
 
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 A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792Sony A99 II
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498Sony A7R II
 
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 NEX-3N APS-C 16.0 4912 32641080/60i22.812.5106774Sony NEX-3N
 
Sony NEX-5R APS-C 16.0 4912 32641080/60i23.713.191078Sony NEX-5R
 
Sony NEX-5N APS-C 16.0 4912 32641080/60i23.612.7107977Sony NEX-5N
 
Sony NEX-3 APS-C 14.0 4592 3056720/30p22.112.083068Sony NEX-3
 
Sony NEX-5 APS-C 14.0 4592 30561080/60i22.212.279669Sony NEX-5

Many modern cameras are not only capable of taking still images, but can also record movies. 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 higher video resolution than the NEX-F3. It can shoot video footage at 4K/30p, while the NEX-F3 is limited to 1080/60i.

 

Feature comparison

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), which can be very helpful when shooting in bright sunlight. In contrast, the NEX-F3 relies on live view and the rear LCD for framing. That said, the NEX-F3 can be equipped with an optional viewfinder – the FDA-EV1S. The following table reports on some other key feature differences and similarities of the Sony A7S II, the Sony NEX-F3, 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 A7S II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7S II
 
Sony NEX-F3optional n 3.0 920 tilting n 1/4000s 5.5 Y n Sony NEX-F3
 
Olympus E-M1 II2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y Olympus E-M1 II
 
Sony A9 II3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y Sony A9 II
 
Sony A7R IV5760 n 3.0 1440 tilting Y 1/8000s 10.0 n Y Sony A7R IV
 
Sony A7 III2359 n 3.0 922 tilting Y 1/8000s 10.0 n Y Sony A7 III
 
Sony A7R III3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y Sony A7R III
 
Sony A93686 n 3.0 1440 tilting Y 1/8000s 20.0 n Y Sony A9
 
Sony A99 II2400 Y 3.0 1229 full-flex n 1/8000s 12.0 n Y Sony A99 II
 
Sony A7R II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7R II
 
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 NEX-3Noptional n 3.0 460 tilting n 1/4000s 4.0 Y n Sony NEX-3N
 
Sony NEX-5Roptional n 3.0 920 tilting Y 1/4000s 10.0 n n Sony NEX-5R
 
Sony NEX-5Noptional n 3.0 920 tilting Y 1/4000s 10.0 n n Sony NEX-5N
 
Sony NEX-3optional n 3.0 920 tilting n 1/4000s 7.0 n n Sony NEX-3
 
Sony NEX-5optional n 3.0 920 tilting n 1/4000s 7.0 n n Sony NEX-5

One feature that differentiates the A7S II and the NEX-F3 is in-body image stabilization (IBIS). The A7S II reduces the risk of handshake-induced blur with all attached lenses, while the NEX-F3 has to rely on optical image stabilization in OIS-equipped lenses to achieve the same effect.

The NEX-F3 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the A7S II does not have a selfie-screen.

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).

Concerning the storage of imaging data, both the A7S II and the NEX-F3 write their files to SDXC or Memory Stick PRO Duo cards. The A7S II supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the NEX-F3 cannot take advantage of Ultra High Speed SD cards.

 

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 Sony Alpha 7S II and Sony Alpha NEX-F3 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
 
Sony A7S IIYstereomonoYYmicro2.0YY-Sony A7S II
 
Sony NEX-F3Ystereomono--mini2.0---Sony NEX-F3
 
Olympus E-M1 IIYstereomonoYYmicro3.0Y--Olympus E-M1 II
 
Sony A9 IIYstereomonoYYmicro3.1YYYSony A9 II
 
Sony A7R IVYstereomonoYYmicro3.1YYYSony A7R IV
 
Sony A7 IIIYstereomonoYYmicro3.1YYYSony A7 III
 
Sony A7R IIIYstereomonoYYmicro3.1YYYSony A7R III
 
Sony A9YstereomonoYYmicro2.0YYYSony A9
 
Sony A99 IIYstereomonoYYmicro2.0YYYSony A99 II
 
Sony A7R IIYstereomonoYYmicro2.0YY-Sony A7R II
 
Sony A7 IIYstereomonoYYmicro2.0YY-Sony A7 II
 
Sony A7SYstereomonoYYmicro2.0YY-Sony A7S
 
Sony NEX-3N-stereomono--micro2.0---Sony NEX-3N
 
Sony NEX-5RYstereomono--mini2.0Y--Sony NEX-5R
 
Sony NEX-5NYstereomono--mini2.0---Sony NEX-5N
 
Sony NEX-3Ystereomono--mini2.0---Sony NEX-3
 
Sony NEX-5Ystereomono--mini2.0---Sony NEX-5

It is notable that the A7S II has a microphone port, which is missing on the NEX-F3. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

The A7S II is a recent model that features in the current product line-up of Sony. In contrast, the NEX-F3 has been discontinued (but it can be found pre-owned on eBay). There has not been a direct replacement model for the NEX-F3 from Sony. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Sony website.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Sony A7S II or the Sony NEX-F3 – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.


Reasons to prefer the Sony Alpha 7S II:

  • Better image quality: Scores substantially higher (12 points) in the DXO overall assessment.
  • More dynamic range: Captures a larger spectrum of light and dark details (1 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (1.4 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60i).
  • 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.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 920k dots).
  • 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 weather sealed to enable shooting in dusty or wet environments.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • 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.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 3 years and 3 months of technical progress since the NEX-F3 launch.


Arguments in favor of the Sony Alpha NEX-F3:

  • More detail: Has more megapixels (16 vs 12MP), which boosts linear resolution by 16%.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • More compact: Is smaller (117x67mm vs 127x96mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 313g or 50 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (470 versus 370) out of a single battery charge.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (80 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in May 2012).

If the count of individual advantages (bullet points above) is taken as a guide, the A7S II is the clear winner of the match-up (16 : 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. 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.

A7S II 16:08 NEX-F3

How about other alternatives? Do the specifications of the Sony A7S II and the Sony NEX-F3 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing 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 says little about, for example, the shooting experience and imaging performance of the A7S II and the NEX-F3 in practical situations. 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

This is where reviews by experts come in. The following table reports the overall ratings of the cameras as published by some of the major 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
 
Sony A7S II+..4.5/55/55/5 Sep 2015 2,999 iSony A7S II
 
Sony NEX-F3..74/1004.5/54.5/54.5/5 May 2012 599iSony NEX-F3
 
Olympus E-M1 II+ +85/1004.5/55/54.5/5 Sep 2016 1,999 iOlympus E-M1 II
 
Sony A9 II....5/5..5/5 Oct 2019 4,499 iSony A9 II
 
Sony A7R IV+91/1004.5/55/55/5 Jul 2019 3,499 iSony A7R IV
 
Sony A7 III+ +89/1005/55/55/5 Feb 2018 1,999 iSony A7 III
 
Sony A7R III+ +90/1004.5/55/55/5 Oct 2017 3,199iSony A7R III
 
Sony A9+ +89/1005/55/55/5 Apr 2017 4,499iSony A9
 
Sony A99 II..85/1004.5/54.5/54.5/5 Sep 2016 3,199 iSony A99 II
 
Sony A7R II+ +90/1005/54.5/55/5 Jun 2015 3,199iSony A7R II
 
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 NEX-3N....4.5/54/54.5/5 Feb 2013 499iSony NEX-3N
 
Sony NEX-5R....4.5/5..4.5/5 Aug 2012 749iSony NEX-5R
 
Sony NEX-5N+ +79/1004.5/55/54.5/5 Aug 2011 699iSony NEX-5N
 
Sony NEX-3..70/1004.5/55/54/5 May 2010 599iSony NEX-3
 
Sony NEX-5+ +71/1004.5/54/54/5 May 2010 699iSony NEX-5
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated 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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Sony A7S II:
Check Amazon price
Sony NEX-F3:
Check Ebay offers

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 make a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Sony A7S II vs Sony NEX-F3

    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 Sony A7S II Sony NEX-F3
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Sony E mount lenses Sony E mount lenses
    Launch Date September 2015 May 2012
    Launch Price USD 2999 USD 599
    Sensor Specs Sony A7S II Sony NEX-F3
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 35.6 x 23.8 mm 23.4 x 15.6 mm
    Sensor Area 847.28 mm2 365.04 mm2
    Sensor Diagonal 42.8 mm 28.1 mm
    Crop Factor 1.0x 1.5x
    Sensor Resolution 12 Megapixels 16 Megapixels
    Image Resolution 4240 x 2832 pixels 4912 x 3264 pixels
    Pixel Pitch 8.40 μm 4.78 μm
    Pixel Density 1.42 MP/cm2 4.39 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/60i Video
    ISO Setting 100-102400 ISO 100-16000 ISO
    ISO Boost 50-409600 ISO no Enhancement
    Image Processor BIONZ X BIONZ
    DXO Sensor Quality (score) 85 73
    DXO Color Depth (bits) 23.6 22.7
    DXO Dynamic Range (EV) 13.3 12.3
    DXO Low Light (ISO) 2993 1114
    Screen Specs Sony A7S II Sony NEX-F3
    Viewfinder Type Electronic viewfinder Viewfinder optional
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 2400k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1229k dots 920k dots
    LCD Attachment Tilting screen Tilting screen
    Shooting Specs Sony A7S II Sony NEX-F3
    Focus System Contrast-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingNo Peaking Feature
    Continuous Shooting 5 shutter flaps/s 5.5 shutter flaps/s
    Electronic ShutterYESno E-Shutter
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium MS or SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I no
    Connectivity Specs Sony A7S II Sony NEX-F3
    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 no Wifi
    Near-Field Communication NFC built-in no NFC
    Body Specs Sony A7S II Sony NEX-F3
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type NP-FW50 NP-FW50
    Battery Life (CIPA)370 shots per charge470 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)
    117 x 67 x 42 mm
    (4.6 x 2.6 x 1.7 in)
    Camera Weight 627 g (22.1 oz) 314 g (11.1 oz)

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