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Nikon D5500 vs Sony A77

The Nikon D5500 and the Sony Alpha SLT-A77 are two digital cameras that were announced, respectively, in January 2015 and August 2011. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. Both cameras offer a resolution of 24 megapixels.

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

Headline Specifications
Nikon D5500
versus
Sony A77
Nikon D5500   Sony A77
Digital single lens reflex Digital single lens reflex
Nikon F mount lenses Sony A mount lenses
24 MP – APS-C sensor 24 MP – APS-C sensor
1080/60p Video 1080/60p Video
ISO 100-25,600 ISO 100-16,000 (50 - 25,600)
Optical viewfinder Electronic viewfinder (2359k dots)
3.2" LCD – 1037k dots 3.0" LCD – 921k dots
Swivel touchscreen Fully flexible screen (no touchscreen)
5 shutter flaps per second 12 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
820 shots per battery charge470 shots per battery charge
124 x 97 x 70 mm, 470 g 143 x 104 x 81 mm, 732 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D5500 and the Sony Alpha SLT-A77? 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.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Nikon D5500 and the Sony A77. 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 size dimensions are rounded to the nearest millimeter.

The D5500 can be obtained in two different colors (black, red), while the A77 is only available in black.

Size Nikon D5500 vs Sony A77
Compare D5500 versus A77 top
Comparison D5500 or A77 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A77 is notably larger (24 percent) than the Nikon D5500. Moreover, the A77 is substantially heavier (56 percent) than the D5500. It is noteworthy in this context that the A77 is splash and dust-proof, while the D5500 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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the D5500 gets 820 shots out of its Nikon EN-EL14a battery, while the A77 can take 470 images on a single charge of its Sony NP-FM500H power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Nikon D5500 124 mm 97 mm 70 mm 470 g 820 n Jan 2015 US$ 899ebay.com
2.
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 US$ 1 399ebay.com
3.
 
Canon M5 116 mm 89 mm 61 mm 427 g 295 n Sep 2016 US$ 979ebay.com
4.
 
Nikon D500 147 mm 115 mm 81 mm 860 g 1240 Y Jan 2016 US$ 1 999ebay.com
5.
 
Nikon D3200 125 mm 96 mm 77 mm 505 g 540 n Apr 2012 US$ 599ebay.com
6.
 
Nikon D3300 124 mm 98 mm 76 mm 430 g 700 n Jan 2014 US$ 499ebay.com
7.
 
Nikon D3400 124 mm 98 mm 76 mm 445 g 1200 n Aug 2016 US$ 499ebay.com
8.
 
Nikon D5100 128 mm 97 mm 79 mm 560 g 660 n Apr 2011 US$ 749ebay.com
9.
 
Nikon D5200 129 mm 98 mm 78 mm 555 g 500 n Nov 2012 US$ 749ebay.com
10.
 
Nikon D5300 125 mm 98 mm 76 mm 480 g 600 n Oct 2013 US$ 799ebay.com
11.
 
Nikon D5600 124 mm 97 mm 70 mm 465 g 970 n Nov 2016 US$ 699ebay.com
12.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 US$ 1 299ebay.com
13.
 
Samsung NX30 127 mm 96 mm 58 mm 375 g 360 n Jan 2014 US$ 999ebay.com
14.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 US$ 1 999ebay.com
15.
 
Sony A77 II 143 mm 104 mm 81 mm 647 g 480 Y May 2014 US$ 1 199ebay.com
16.
 
Sony A99 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 US$ 2 799ebay.com
17.
 
Sony A6500 120 mm 67 mm 53 mm 453 g 350 Y Oct 2016 US$ 1 399ebay.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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The D5500 was launched at a markedly lower price (by 36 percent) than the A77, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor and have a format factor (sometimes also referred to as "crop factor") of 1.5. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Nikon D5500 and Sony A77 sensor measures

The two cameras under review do not only share the same sensor size, but also offer an identical resolution of 24 megapixels. This similarity in sensor specs implies that both the D5500 and the A77 have the same pixel density, as well as the same pixel size. It should, however, be noted that the D5500 is much more recent (by 3 years and 4 months) than the A77, and its sensor will have benefitted from technological advances during this time. Coming back to sensor resolution, it should be mentioned that the D5500 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The Nikon D5500 has a native sensitivity range from ISO 100 to ISO 25600. The corresponding ISO settings for the Sony Alpha SLT-A77 are ISO 100 to ISO 16000, with the possibility to increase the ISO range to 50-25600.

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.

D5500 versus A77 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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"). Of the two cameras under review, the D5500 has a notably higher overall DXO score than the A77 (overall score 6 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.1 bits higher color depth, 0.8 EV in additional dynamic range, and 0.8 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.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon D5500 APS-C 24.0 6000 40001080/60p24.114.0143884
2.
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178
3.
 
Canon M5 APS-C 24.0 6000 40001080/60p23.412.4126277
4.
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483
5.
 
Nikon D3200 APS-C 24.1 6016 40001080/30p24.113.2113181
6.
 
Nikon D3300 APS-C 24.0 6000 40001080/60p24.312.8138582
7.
 
Nikon D3400 APS-C 24.0 6000 40001080/60p24.813.9119286
8.
 
Nikon D5100 APS-C 16.1 4928 32641080/30p23.513.6118380
9.
 
Nikon D5200 APS-C 24.0 6000 40001080/60i24.213.9128484
10.
 
Nikon D5300 APS-C 24.0 6000 40001080/60p24.013.9133883
11.
 
Nikon D5600 APS-C 24.0 6000 40001080/60p24.114.0130684
12.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
13.
 
Samsung NX30 APS-C 20.0 5472 36481080/60p23.512.4101476
14.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
15.
 
Sony A77 II APS-C 24.0 6000 40001080/60p24.413.4101382
16.
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589
17.
 
Sony A6500 APS-C 24.0 6000 40004K/30p24.513.7140585

Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (1080/60p).

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A77 has an electronic viewfinder (2359k dots), while the D5500 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 A77 offers a wider field of view (100%) than the one in the D5500 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the A77 has a higher magnification (0.73x vs 0.57x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Nikon D5500 and Sony A77 in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Nikon D5500optical n3.2 / 1037 swivel Y 1/4000s 5.0/s Y n
2.
 
Sony A772359 Y3.0 / 921 full-flex n 1/8000s 12.0/s Y Y
3.
 
Canon M52360 n3.2 / 1620 tilting Y 1/4000s 9.0/s Y n
4.
 
Nikon D500optical Y3.2 / 2359 tilting Y 1/8000s 10.0/s n n
5.
 
Nikon D3200optical n3.0 / 921 fixed n 1/4000s 4.0/s Y n
6.
 
Nikon D3300optical n3.0 / 921 fixed n 1/4000s 5.0/s Y n
7.
 
Nikon D3400optical n3.0 / 921 fixed n 1/4000s 5.0/s Y n
8.
 
Nikon D5100optical n3.0 / 921 swivel n 1/4000s 4.0/s Y n
9.
 
Nikon D5200optical n3.0 / 921 swivel n 1/4000s 5.0/s Y n
10.
 
Nikon D5300optical n3.2 / 1037 swivel n 1/4000s 5.0/s Y n
11.
 
Nikon D5600optical n3.2 / 1037 swivel Y 1/4000s 5.0/s Y n
12.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
13.
 
Samsung NX302359 n3.0 / 1036 swivel Y 1/8000s 9.0/s Y n
14.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
15.
 
Sony A77 II2359 Y3.0 / 1229 full-flex n 1/8000s 12.0/s Y Y
16.
 
Sony A992359 Y3.0 / 1229 full-flex n 1/8000s 6.0/s n Y
17.
 
Sony A65002359 n3.0 / 922 tilting Y 1/4000s 11.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The D5500 has a touchscreen, while the A77 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

The Nikon D5500 has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The D5500 writes its imaging data to SDXC cards, while the A77 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.

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Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Nikon D5500 and Sony Alpha SLT-A77 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon D5500Ystereo / monoY-mini2.0Y--
2.
 
Sony A77Ystereo / monoY-mini2.0---
3.
 
Canon M5Ystereo / monoY-mini2.0YYY
4.
 
Nikon D500Ystereo / monoYYmini3.0YYY
5.
 
Nikon D3200Ymono / monoY-mini2.0---
6.
 
Nikon D3300Ymono / monoY-mini2.0---
7.
 
Nikon D3400Ymono / mono--mini2.0--Y
8.
 
Nikon D5100Ymono / monoY-mini2.0---
9.
 
Nikon D5200Ystereo / monoY-mini2.0---
10.
 
Nikon D5300Ystereo / monoY-mini2.0Y--
11.
 
Nikon D5600Ystereo / monoY-mini2.0YYY
12.
 
Pentax K-3Ymono / monoYYmini3.0---
13.
 
Samsung NX30Ystereo / mono--micro2.0YY-
14.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
15.
 
Sony A77 IIYstereo / monoY-mini2.0YY-
16.
 
Sony A99Ystereo / monoYYmini2.0---
17.
 
Sony A6500Ystereo / monoY-micro2.0YY-

It is notable that the D5500 offers wifi support, while the A77 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Sony A77 (unlike the D5500) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the A77 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the D5500 and the A77 have been discontinued, but can regularly be found used on ebay. The A77 was replaced by the Sony A77 II, while the D5500 was followed by the Nikon D5600. Further information on the features and operation of the D5500 and A77 can be found, respectively, in the Nikon D5500 Manual (free pdf) or the online Sony A77 Manual.

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Review summary

So what is the bottom line? Is there a clear favorite between the Nikon D5500 and the Sony A77? Which camera is better? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Nikon D5500:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores markedly higher (6 points) in the DXO overall assessment.
  • More dynamic range: Captures a larger spectrum of light and dark details (0.8 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (0.8 stops ISO advantage).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 921k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (124x97mm vs 143x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 262g or 36 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (820 versus 470) on a single battery charge.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • More affordable: Was introduced into a lower priced category (36 percent cheaper at launch).
  • More modern: Reflects 3 years and 4 months of technical progress since the A77 launch.

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Advantages of the Sony Alpha SLT-A77:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • 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 (0.73x vs 0.57x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (12 vs 5 flaps/sec) to capture the decisive moment.
  • 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.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been around for much longer (launched in August 2011).

If the number of relative strengths (bullet points above) is taken as a guide, the D5500 emerges as the winner of the contest (15 : 12 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

D5500 15:12 A77

How about other alternatives? Do the specifications of the Nikon D5500 and the Sony A77 place the cameras among the top in their class? Find out in the latest Best DSLR 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 D5500 and the A77 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 why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Nikon D55005/5+..79/1004.5/54.5/5 Jan 2015 US$ 899ebay.com
2.
 
Sony A775/591/100..81/100..5/5 Aug 2011 US$ 1 399ebay.com
3.
 
Canon M54/5+4/582/1004/54/5 Sep 2016 US$ 979ebay.com
4.
 
Nikon D5005/5+ +4.7/591/1004.5/55/5 Jan 2016 US$ 1 999ebay.com
5.
 
Nikon D32005/5+ +..73/1004.5/54.5/5 Apr 2012 US$ 599ebay.com
6.
 
Nikon D33003/5+..77/1004.5/54.5/5 Jan 2014 US$ 499ebay.com
7.
 
Nikon D34004/5+4/576/1004/54.5/5 Aug 2016 US$ 499ebay.com
8.
 
Nikon D51005/5+ +..76/1004.5/54.5/5 Apr 2011 US$ 749ebay.com
9.
 
Nikon D52004/5+ +..79/1004.5/54.5/5 Nov 2012 US$ 749ebay.com
10.
 
Nikon D53004/5+ +..79/1004.5/54.5/5 Oct 2013 US$ 799ebay.com
11.
 
Nikon D56004/5..4/579/1004.5/54/5 Nov 2016 US$ 699ebay.com
12.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 US$ 1 299ebay.com
13.
 
Samsung NX303/5....77/1004.5/54.5/5 Jan 2014 US$ 999ebay.com
14.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 US$ 1 999ebay.com
15.
 
Sony A77 II4/5....80/1004.5/55/5 May 2014 US$ 1 199ebay.com
16.
 
Sony A995/5....84/1004.5/54.5/5 Sep 2012 US$ 2 799ebay.com
17.
 
Sony A65005/5+ +3.5/585/1004.5/54.5/5 Oct 2016 US$ 1 399ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, 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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Nikon D5500 vs Sony A77

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Nikon D5500 Sony A77
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Nikon F mount lenses Sony A mount lenses
    Launch Date January 2015 August 2011
    Launch Price USD 899 USD 1,399
    Sensor Specs Nikon D5500 Sony A77
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.5 x 15.6 mm 23.5 x 15.6 mm
    Sensor Area 366.6 mm2 366.6 mm2
    Sensor Diagonal 28.2 mm 28.2 mm
    Crop Factor 1.5x 1.5x
    Sensor Resolution 24 Megapixels 24 Megapixels
    Image Resolution 6000 x 4000 pixels 6000 x 4000 pixels
    Pixel Pitch 3.91 μm 3.91 μm
    Pixel Density 6.55 MP/cm2 6.55 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/60p Video
    ISO Setting 100 - 25,600 ISO 100 - 16,000 ISO
    ISO Boost no Enhancement 50 - 25,600 ISO
    Image Processor EXPEED 4 BIONZ X
    DXO Sensor Quality (score) 84 78
    DXO Color Depth (bits) 24.1 24.0
    DXO Dynamic Range (EV) 14.0 13.2
    DXO Low Light (ISO) 1438 801
    Screen Specs Nikon D5500 Sony A77
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.57x 0.73x
    Viewfinder Resolution 2359k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 1037k dots 921k dots
    LCD Attachment Swivel screen Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Nikon D5500 Sony A77
    Focus System Phase-detect AF Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 5 shutter flaps/s 12 shutter flaps/s
    Shutter Life Expectancy100 000 actuations150 000 actuations
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash Built-in 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 D5500 Sony A77
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Wifi Support Wifi built-in no Wifi
    Geotagging no internal GPS GPS built-in
    Body Specs Nikon D5500 Sony A77
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Nikon EN-EL14a Sony NP-FM500H
    Battery Life (CIPA)820 shots per charge470 shots per charge
    Body Dimensions 124 x 97 x 70 mm
    (4.9 x 3.8 x 2.8 in)
    143 x 104 x 81 mm
    (5.6 x 4.1 x 3.2 in)
    Camera Weight 470 g (16.6 oz) 732 g (25.8 oz)
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