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Sony A7 vs NEX-3

The Sony Alpha A7 and the Sony Alpha NEX-3 are two digital cameras that were announced, respectively, in October 2013 and May 2010. Both the A7 and the NEX-3 are mirrorless interchangeable lens cameras that are based on a full frame (A7) and an APS-C (NEX-3) sensor. The A7 has a resolution of 24 megapixels, whereas the NEX-3 provides 14 MP.

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

Headline Specifications
Sony A7 VS Sony NEX-3
Sony A7 Sony NEX-3
Mirrorless system camera Mirrorless system camera
Sony E mount lenses Sony E mount lenses
24 MP, Full Frame Sensor 14 MP, APS-C Sensor
1080/60p Video 720/30p Video
ISO 100-25600 (50-51200) ISO 200-12800
Electronic viewfinder (2400k dots) Viewfinder optional
3.0" LCD, 1230k dots 3.0" LCD, 920k dots
Tilting screen (no touchscreen) Tilting screen (not touch-sensitive)
5 shutter flaps per second 7 shutter flaps per second
Weathersealed bodyNot weather sealed
340 shots per battery charge330 shots per battery charge
127 x 94 x 48 mm, 474 g 117 x 62 x 33 mm, 297 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha A7 and the Sony Alpha NEX-3? 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 physical size and weight of the Sony A7 and the Sony NEX-3 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 dimensions are rounded to the nearest millimeter.

The NEX-3 can be obtained in three different colors (black, silver, red), while the A7 is only available in black.

Size Sony A7 vs Sony NEX-3
Compare A7 versus NEX-3 top
Comparison A7 or NEX-3 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony NEX-3 is considerably smaller (39 percent) than the Sony A7. Moreover, the NEX-3 is substantially lighter (37 percent) than the A7. It is worth mentioning in this context that the A7 is splash and dust resistant, while the NEX-3 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) and the Sony E-Mount Lens Catalog (NEX-3). 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 A7 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)
Camera
Model
 
Sony A7» 5.0 in 3.7 in 1.9 in 16.7 oz 340 Y Oct 2013 1,699iSony A7
 
Sony NEX-3« 4.6 in 2.4 in 1.3 in 10.5 oz 330 n May 2010 599iSony NEX-3
 
Nikon D610« » 5.6 in 4.4 in 3.2 in 30.0 oz 900 Y Oct 2013 1,999 iNikon D610
 
Panasonic GH4« » 5.2 in 3.7 in 3.3 in 19.8 oz 500 Y Feb 2014 1,499iPanasonic GH4
 
Samsung NX1« » 5.5 in 4.0 in 2.6 in 19.4 oz 500 Y Sep 2014 1,499iSamsung NX1
 
Sony A7 III« » 5.0 in 3.8 in 2.9 in 22.9 oz 610 Y Feb 2018 1,999 iSony A7 III
 
Sony A6300« » 4.7 in 2.6 in 1.9 in 14.3 oz 400 Y Feb 2016 999iSony A6300
 
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 A5100« » 4.3 in 2.5 in 1.4 in 10.0 oz 400 n Aug 2014 549 iSony A5100
 
Sony A7R« » 5.0 in 3.7 in 1.9 in 16.4 oz 340 Y Oct 2013 2,299iSony A7R
 
Sony NEX-3N« » 4.3 in 2.4 in 1.4 in 9.5 oz 480 n Feb 2013 499iSony NEX-3N
 
Sony RX1R« » 4.4 in 2.6 in 2.8 in 17.0 oz 270 n Jun 2013 2,799iSony RX1R
 
Sony NEX-5R« » 4.4 in 2.3 in 1.5 in 9.7 oz 330 n Aug 2012 749iSony NEX-5R
 
Sony RX1« » 4.4 in 2.6 in 2.8 in 17.0 oz 270 n Sep 2012 2,799iSony RX1
 
Sony NEX-5N« » 4.4 in 2.3 in 1.5 in 9.5 oz 460 n Aug 2011 699iSony NEX-5N
 
Sony NEX-5« » 4.4 in 2.3 in 1.5 in 10.1 oz 330 n May 2010 699iSony NEX-5
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. 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-3 was launched at a markedly lower price (by 65 percent) than the A7, 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 tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Sony A7 features a full frame sensor and the Sony NEX-3 an APS-C sensor. The sensor area in the NEX-3 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 and Sony NEX-3 sensor measures

With 24MP, the A7 offers a higher resolution than the NEX-3 (14MP), but the A7 nevertheless has larger individual pixels (pixel pitch of 5.97μm versus 5.11μm for the NEX-3) due to its larger sensor. Moreover, the A7 is a much more recent model (by 3 years and 5 months) than the NEX-3, 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 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 Sony NEX-3 are 23 x 15.3 inch or 58.3 x 38.8 cm for good quality, 18.4 x 12.2 inch or 46.7 x 31 cm for very good quality, and 15.3 x 10.2 inch or 38.9 x 25.9 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 Sony Alpha A7 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 Sony Alpha NEX-3 are ISO 200 to ISO 12800 (no boost).

A7 versus NEX-3 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"). Of the two cameras under review, the A7 provides substantially higher image quality than the NEX-3, with an overall score that is 22 points higher. This advantage is based on 2.7 bits higher color depth, 2.2 EV in additional dynamic range, and 1.4 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 Full Frame 24.0 6000 40001080/60p24.814.2224890Sony A7
 
Sony NEX-3 APS-C 14.0 4592 3056720/30p22.112.083068Sony NEX-3
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594Nikon D610
 
Panasonic GH4 Four Thirds 15.9 4608 34564K/30p23.212.879174Panasonic GH4
 
Samsung NX1 APS-C 28.0 6480 43204K/30p24.213.2136383Samsung NX1
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096Sony A7 III
 
Sony A6300 APS-C 24.0 6000 40004K/30p24.413.7143785Sony A6300
 
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 A5100 APS-C 24.0 6000 40001080/60p23.812.7134780Sony A5100
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695Sony A7R
 
Sony NEX-3N APS-C 16.0 4912 32641080/60i22.812.5106774Sony NEX-3N
 
Sony RX1R Full Frame 24.0 6000 40001080/60p25.013.6253791Sony RX1R
 
Sony NEX-5R APS-C 16.0 4912 32641080/60i23.713.191078Sony NEX-5R
 
Sony RX1 Full Frame 24.0 6000 40001080/60p25.114.3253493Sony RX1
 
Sony NEX-5N APS-C 16.0 4912 32641080/60i23.612.7107977Sony NEX-5N
 
Sony NEX-5 APS-C 14.0 4592 30561080/60i22.212.279669Sony NEX-5

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the A7 provides a higher video resolution than the NEX-3. It can shoot video footage at 1080/60p, while the NEX-3 is limited to 720/30p.

 

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A7 has an electronic viewfinder (2400k dots), which can be very helpful when shooting in bright sunlight. In contrast, the NEX-3 relies on live view and the rear LCD for framing. That said, the NEX-3 can be equipped with an optional viewfinder – the FDA-SV1. The following table reports on some other key feature differences and similarities of the Sony A7, the Sony NEX-3, 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 A72400 n 3.0 1230 tilting n 1/8000s 5.0 n n Sony A7
 
Sony NEX-3optional n 3.0 920 tilting n 1/4000s 7.0 n n Sony NEX-3
 
Nikon D610optical Y 3.2 921 fixed n 1/4000s 6.0 Y n Nikon D610
 
Panasonic GH42359 n 3.0 1036 swivel Y 1/8000s 12.0 Y n Panasonic GH4
 
Samsung NX12360 Y 3.0 1036 tilting Y 1/8000s 15.0 Y n Samsung NX1
 
Sony A7 III2359 n 3.0 922 tilting Y 1/8000s 10.0 n Y Sony A7 III
 
Sony A63002359 n 3.0 922 tilting n 1/4000s 11.0 Y n Sony A6300
 
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 A5100none n 3.0 922 tilting Y 1/4000s 6.0 Y n Sony A5100
 
Sony A7R2400 n 3.0 1230 tilting n 1/8000s 4.0 n n Sony A7R
 
Sony NEX-3Noptional n 3.0 460 tilting n 1/4000s 4.0 Y n Sony NEX-3N
 
Sony RX1Roptional n 3.0 1229 fixed n 1/4000s 5.0 Y n Sony RX1R
 
Sony NEX-5Roptional n 3.0 920 tilting Y 1/4000s 10.0 n n Sony NEX-5R
 
Sony RX1optional n 3.0 1229 fixed n 1/4000s 5.0 Y n Sony RX1
 
Sony NEX-5Noptional n 3.0 920 tilting Y 1/4000s 10.0 n n Sony NEX-5N
 
Sony NEX-5optional n 3.0 920 tilting n 1/4000s 7.0 n n Sony NEX-5
The NEX-3 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 A7 does not have a selfie-screen.

Concerning the storage of imaging data, both the A7 and the NEX-3 write their files to SDXC or Memory Stick PRO Duo cards. The A7 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the NEX-3 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 A7 and Sony Alpha NEX-3 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 A7YstereomonoYYmicro2.0YY-Sony A7
 
Sony NEX-3Ystereomono--mini2.0---Sony NEX-3
 
Nikon D610YmonomonoYYmini2.0---Nikon D610
 
Panasonic GH4YstereomonoYYmicro2.0YY-Panasonic GH4
 
Samsung NX1YstereomonoYYmicro3.0YYYSamsung NX1
 
Sony A7 IIIYstereomonoYYmicro3.1YYYSony A7 III
 
Sony A6300YstereomonoY-micro2.0YY-Sony A6300
 
Sony A7 IIYstereomonoYYmicro2.0YY-Sony A7 II
 
Sony A7SYstereomonoYYmicro2.0YY-Sony A7S
 
Sony A5100-stereomono--micro2.0YY-Sony A5100
 
Sony A7RYstereomonoYYmicro2.0YY-Sony A7R
 
Sony NEX-3N-stereomono--micro2.0---Sony NEX-3N
 
Sony RX1RYstereomonoY-mini2.0---Sony RX1R
 
Sony NEX-5RYstereomono--mini2.0Y--Sony NEX-5R
 
Sony RX1YstereomonoY-mini2.0---Sony RX1
 
Sony NEX-5NYstereomono--mini2.0---Sony NEX-5N
 
Sony NEX-5Ystereomono--mini2.0---Sony NEX-5

It is notable that the A7 has a microphone port, which is missing on the NEX-3. 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 and the NEX-3 have been discontinued, but can regularly be found used on eBay. The NEX-3 was replaced by the Sony NEX-3N, while the A7 was followed 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 Sony website.

Review summary

So what conclusions can be drawn? Is there a clear favorite between the Sony A7 and the Sony NEX-3? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.


Reasons to prefer the Sony Alpha A7:

  • More detail: Offers more megapixels (24 vs 14MP) with a 31% higher linear resolution.
  • Better image quality: Scores substantially higher (22 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (2.7 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (2.2 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 (1080/60p vs 720/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident 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.
  • Easier framing: Has an electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1230k vs 920k dots).
  • 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.
  • 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 5 months of technical progress since the NEX-3 launch.


Arguments in favor of the Sony Alpha NEX-3:

  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (7 vs 5 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (117x62mm vs 127x94mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 177g or 37 percent) and is thus easier to take along.
  • More affordable: Was introduced into a lower priced category (65 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in May 2010).

If the count of relative strengths (bullet points above) is taken as a measure, the A7 is the clear winner of the match-up (17 : 6 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional 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.

A7 17:06 NEX-3

How about other alternatives? Do the specifications of the Sony A7 and the Sony NEX-3 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 remains incomplete and does no justice, for example, to the way the A7 or the NEX-3 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

This is why hands-on reviews by experts are important. 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 A7+ +80/1005/54.5/55/5 Oct 2013 1,699iSony A7
 
Sony NEX-3..70/1004.5/55/54/5 May 2010 599iSony NEX-3
 
Nikon D610+ +87/1004.5/54.5/54.5/5 Oct 2013 1,999 iNikon D610
 
Panasonic GH4+ +85/1005/55/55/5 Feb 2014 1,499iPanasonic GH4
 
Samsung NX1..87/1005/54.5/55/5 Sep 2014 1,499iSamsung NX1
 
Sony A7 III+ +89/1005/55/55/5 Feb 2018 1,999 iSony A7 III
 
Sony A6300+85/1005/55/55/5 Feb 2016 999iSony A6300
 
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 A5100+..4.5/54.5/55/5 Aug 2014 549 iSony A5100
 
Sony A7R+ +82/1004.5/55/55/5 Oct 2013 2,299iSony A7R
 
Sony NEX-3N....4.5/54/54.5/5 Feb 2013 499iSony NEX-3N
 
Sony RX1R....4/5o4.5/5 Jun 2013 2,799iSony RX1R
 
Sony NEX-5R....4.5/5..4.5/5 Aug 2012 749iSony NEX-5R
 
Sony RX1..79/1004/54.5/54.5/5 Sep 2012 2,799iSony RX1
 
Sony NEX-5N+ +79/1004.5/55/54.5/5 Aug 2011 699iSony NEX-5N
 
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 assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Sony A7:
Check Ebay offers
Sony NEX-3:
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 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.

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    Specifications: Sony A7 vs Sony NEX-3

    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 A7 Sony NEX-3
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Sony E mount lenses Sony E mount lenses
    Launch Date October 2013 May 2010
    Launch Price USD 1699 USD 599
    Sensor Specs Sony A7 Sony NEX-3
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 35.8 x 23.9 mm 23.4 x 15.6 mm
    Sensor Area 855.62 mm2 365.04 mm2
    Sensor Diagonal 43 mm 28.1 mm
    Crop Factor 1.0x 1.5x
    Sensor Resolution 24 Megapixels 14 Megapixels
    Image Resolution 6000 x 4000 pixels 4592 x 3056 pixels
    Pixel Pitch 5.97 μm 5.11 μm
    Pixel Density 2.80 MP/cm2 3.84 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 720/30p Video
    ISO Setting 100-25600 ISO 200-12800 ISO
    ISO Boost 50-51200 ISO no Enhancement
    Image Processor BIONZ X BIONZ
    DXO Sensor Quality (score) 90 68
    DXO Color Depth (bits) 24.8 22.1
    DXO Dynamic Range (EV) 14.2 12.0
    DXO Low Light (ISO) 2248 830
    Screen Specs Sony A7 Sony NEX-3
    Viewfinder Type Electronic viewfinder Viewfinder optional
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.71x
    Viewfinder Resolution 2400k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1230k dots 920k dots
    LCD Attachment Tilting screen Tilting screen
    Shooting Specs Sony A7 Sony NEX-3
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingNo Peaking Feature
    Continuous Shooting 5 shutter flaps/s 7 shutter flaps/s
    Fill Flash no On-Board Flash no On-Board 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 A7 Sony NEX-3
    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 A7 Sony NEX-3
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type NP-FW50 NP-FW50
    Battery Life (CIPA)340 shots per charge330 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 127 x 94 x 48 mm
    (5.0 x 3.7 x 1.9 in)
    117 x 62 x 33 mm
    (4.6 x 2.4 x 1.3 in)
    Camera Weight 474 g (16.7 oz) 297 g (10.5 oz)

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