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Nikon D5100 vs Sony A850

The Nikon D5100 and the Sony Alpha A850 are two digital cameras that were officially introduced, respectively, in April 2011 and August 2009. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (D5100) and a full frame (A850) sensor. The Nikon has a resolution of 16.1 megapixels, whereas the Sony provides 24.4 MP.

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

Headline Specifications
Nikon D5100
versus
Sony A850
Nikon D5100   Sony A850
Digital single lens reflex Digital single lens reflex
Nikon F mount lenses Sony A mount lenses
16.1 MP, APS-C Sensor 24.4 MP, Full Frame Sensor
1080/30p Video no Video
ISO 100-6,400 (100 - 25,600) ISO 200-3,200 (100 - 6,400)
Optical viewfinder Optical viewfinder
3.0 LCD, 921k dots 3.0 LCD, 922k dots
Swivel screen (not touch-sensitive) Fixed screen (not touch-sensitive)
4 shutter flaps per second 3 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
660 shots per battery charge880 shots per battery charge
128 x 97 x 79 mm, 560 g 156 x 117 x 82 mm, 895 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D5100 and the Sony Alpha A850? 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 Nikon D5100 and the Sony A850 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 size dimensions are rounded to the nearest millimeter.

Size Nikon D5100 vs Sony A850
Compare D5100 versus A850 top
Comparison D5100 or A850 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A850 is considerably larger (47 percent) than the Nikon D5100. Moreover, the A850 is substantially heavier (60 percent) than the D5100. It is noteworthy in this context that the A850 is splash and dust-proof, while the D5100 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 D5100 gets 660 shots out of its EN-EL14 battery, while the A850 can take 880 images on a single charge of its NP-FM500H power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D5100 128 mm 97 mm 79 mm 560 g 660 n Apr 2011 749i
2.
 
Sony A850 156 mm 117 mm 82 mm 895 g 880 Y Aug 2009 1,999i
3.
 
Canon T2i 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 699i
4.
 
Nikon D5600 124 mm 97 mm 70 mm 465 g 970 n Nov 2016 699 i
5.
 
Nikon D750 141 mm 113 mm 78 mm 750 g 1230 Y Sep 2014 2,299i
6.
 
Nikon D5300 125 mm 98 mm 76 mm 480 g 600 n Oct 2013 799i
7.
 
Nikon D3200 125 mm 96 mm 77 mm 505 g 540 n Apr 2012 599i
8.
 
Nikon D5200 129 mm 98 mm 78 mm 555 g 500 n Nov 2012 749i
9.
 
Nikon D7000 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 1,499i
10.
 
Nikon D3100 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 599i
11.
 
Nikon D5000 127 mm 104 mm 80 mm 590 g 510 n Apr 2009 749i
12.
 
Sony A7C 124 mm 71 mm 60 mm 509 g 740 Y Sep 2020 1,799 i
13.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 i
14.
 
Sony A99 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 2,799i
15.
 
Sony NEX-5R 111 mm 59 mm 39 mm 276 g 330 n Aug 2012 749i
16.
 
Sony NEX-5N 111 mm 59 mm 38 mm 269 g 460 n Aug 2011 699i
17.
 
Sony A900 156 mm 117 mm 82 mm 895 g 880 Y Sep 2008 2,999i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. 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 D5100 was launched at a markedly lower price (by 63 percent) than the A850, 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.

Sensor comparison

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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the 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 Nikon D5100 features an APS-C sensor and the Sony A850 a full frame sensor. The sensor area in the A850 is 132 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.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.

Nikon D5100 and Sony A850 sensor measures

With 24.4MP, the A850 offers a higher resolution than the D5100 (16.1MP), but the A850 nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 4.80μm for the D5100) due to its larger sensor. However, the D5100 is a somewhat more recent model (by 1 year and 7 months) than the A850, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A850 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A850 for good quality output (200 dots per inch) amounts to 30.2 x 20.2 inches or 76.8 x 51.2 cm, for very good quality (250 dpi) 24.2 x 16.1 inches or 61.4 x 41 cm, and for excellent quality (300 dpi) 20.2 x 13.4 inches or 51.2 x 34.1 cm. The corresponding values for the Nikon D5100 are 24.6 x 16.3 inches or 62.6 x 41.5 cm for good quality, 19.7 x 13.1 inches or 50.1 x 33.2 cm for very good quality, and 16.4 x 10.9 inches or 41.7 x 27.6 cm for excellent quality prints.

The Nikon D5100 has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 100-25600. The corresponding ISO settings for the Sony Alpha A850 are ISO 200 to ISO 3200, with the possibility to increase the ISO range to 100-6400.

D5100 versus A850 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 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
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon D5100 APS-C 16.1 4928 32641080/30p23.513.6118380
2.
 
Sony A850 Full Frame 24.4 6048 4032none23.812.2141579
3.
 
Canon T2i APS-C 17.9 5184 34561080/30p22.111.578466
4.
 
Nikon D5600 APS-C 24.0 6000 40001080/60p24.114.0130684
5.
 
Nikon D750 Full Frame 24.2 6016 40161080/60p24.814.5295693
6.
 
Nikon D5300 APS-C 24.0 6000 40001080/60p24.013.9133883
7.
 
Nikon D3200 APS-C 24.1 6016 40001080/30p24.113.2113181
8.
 
Nikon D5200 APS-C 24.0 6000 40001080/60i24.213.9128484
9.
 
Nikon D7000 APS-C 16.1 4928 32641080/24p23.513.9116780
10.
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967
11.
 
Nikon D5000 APS-C 12.2 4288 2848720/24p22.712.586872
12.
 
Sony A7C Full Frame 24.0 6000 40004K/30p25.014.7340795
13.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
14.
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589
15.
 
Sony NEX-5R APS-C 16.0 4912 32641080/60i23.713.191078
16.
 
Sony NEX-5N APS-C 16.0 4912 32641080/60i23.612.7107977
17.
 
Sony A900 Full Frame 24.4 6048 4032none23.712.3143179

Many modern cameras cannot only take still pictures, but also record videos. The D5100 indeed provides movie recording capabilities, while the A850 does not. The highest resolution format that the D5100 can use is 1080/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The D5100 and the A850 are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinder in the A850 offers a wider field of view (98%) than the one in the D5100 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the A850 has a higher magnification (0.74x vs 0.51x), 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 D5100 and Sony A850 in connection with corresponding information for a sample of similar cameras.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/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
1.
 
Nikon D5100optical n3.0 / 921 swivel n 1/4000s 4.0 Y n
2.
 
Sony A850optical Y3.0 / 922 fixed n 1/8000s 3.0 n Y
3.
 
Canon T2ioptical n3.0 / 1040 fixed n 1/4000s 3.7 Y n
4.
 
Nikon D5600optical n3.2 / 1037 swivel Y 1/4000s 5.0 Y n
5.
 
Nikon D750optical Y3.2 / 1229 tilting n 1/4000s 6.0 Y n
6.
 
Nikon D5300optical n3.2 / 1037 swivel n 1/4000s 5.0 Y n
7.
 
Nikon D3200optical n3.0 / 921 fixed n 1/4000s 4.0 Y n
8.
 
Nikon D5200optical n3.0 / 921 swivel n 1/4000s 5.0 Y n
9.
 
Nikon D7000optical Y3.0 / 921 fixed n 1/8000s 6.0 Y n
10.
 
Nikon D3100optical n3.0 / 230 fixed n 1/4000s 3.0 Y n
11.
 
Nikon D5000optical n2.7 / 230 full-flex n 1/4000s 4.0 Y n
12.
 
Sony A7C2360 n3.0 / 922 swivel Y 1/4000s 10.0 n Y
13.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0 n Y
14.
 
Sony A992359 Y3.0 / 1229 full-flex n 1/8000s 6.0 n Y
15.
 
Sony NEX-5Roptional n3.0 / 920 tilting Y 1/4000s 10.0 n n
16.
 
Sony NEX-5Noptional n3.0 / 920 tilting Y 1/4000s 10.0 n n
17.
 
Sony A900optical Y3.0 / 922 fixed n 1/8000s 5.0 n Y

One difference between the cameras concerns the presence of an on-board flash. The D5100 has one, while the A850 does not. While the built-in flash of the D5100 is not very powerful, it can at times be useful as a fill-in light.

The D5100 has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the A850 does not have a selfie-screen.

The Nikon D5100 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 D5100 writes its imaging data to SDXC cards, while the A850 uses Compact Flash or Memory Stick PRO Duo cards. The A850 features dual card slots, which can be very useful in case a memory card fails. In contrast, the D5100 only has one slot.

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 D5100 and Sony Alpha A850 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon D5100Ymono / monoY-mini2.0---
2.
 
Sony A850Y- / ---mini2.0---
3.
 
Canon T2iYstereo / -Y-mini2.0---
4.
 
Nikon D5600Ystereo / monoY-mini2.0YYY
5.
 
Nikon D750Ystereo / monoYYmini2.0Y--
6.
 
Nikon D5300Ystereo / monoY-mini2.0Y--
7.
 
Nikon D3200Ymono / monoY-mini2.0---
8.
 
Nikon D5200Ystereo / monoY-mini2.0---
9.
 
Nikon D7000Ymono / monoY-mini2.0---
10.
 
Nikon D3100Ymono / mono--mini2.0---
11.
 
Nikon D5000Ymono / mono--mini2.0---
12.
 
Sony A7CYstereo / monoYYmicro3.2YYY
13.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
14.
 
Sony A99Ystereo / monoYYmini2.0---
15.
 
Sony NEX-5RYstereo / mono--mini2.0Y--
16.
 
Sony NEX-5NYstereo / mono--mini2.0---
17.
 
Sony A900Y- / ---mini2.0---

Studio photographers will appreciate that the Sony A850 (unlike the D5100) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the D5100 and the A850 have been discontinued, but can regularly be found used on eBay. The D5100 was replaced by the Nikon D5200, while the A850 does not have a direct successor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon and Sony websites.

Review summary

So what is the bottom line? Is there a clear favorite between the Nikon D5100 and the Sony A850? Which camera is better? The listing below highlights the relative strengths of the two models.

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Advantages of the Nikon D5100:

  • More dynamic range: Captures a larger spectrum of light and dark details (1.4 EV of extra DR).
  • Broader imaging potential: Can record not only still images but also 1080/30p movies.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (4 vs 3 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (128x97mm vs 156x117mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 335g or 37 percent) and hence easier to carry around.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (63 percent cheaper at launch).
  • More modern: Is somewhat more recent (announced 1 year and 7 months after the A850).

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Reasons to prefer the Sony Alpha A850:

  • More detail: Has more megapixels (24.4 vs 16.1MP), which boosts linear resolution by 23%.
  • More complete view: Has a viewfinder with a larger field of view (98% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.74x vs 0.51x).
  • 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.
  • Longer lasting: Gets more shots (880 versus 660) out of a single battery charge.
  • 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.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been on the market for longer (launched in August 2009).

If the count of individual advantages (bullet points above) is taken as a guide, the match-up finishes in a tie (11 points each). 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.

D5100 11:11 A850

How about other alternatives? Do the specifications of the Nikon D5100 and the Sony A850 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 the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the D5100 or the A850 perform in practice. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

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.

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Expert Camera Reviews
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D51005/5+ +..76/1004.5/54.5/5 Apr 2011 749i
2.
 
Sony A8503/5....75/100..4.5/5 Aug 2009 1,999i
3.
 
Canon T2i..+ +..77/1004/54.5/5 Feb 2010 699i
4.
 
Nikon D56004/5..4/579/1004.5/54/5 Nov 2016 699 i
5.
 
Nikon D7505/5+ +4/590/1004.5/54.5/5 Sep 2014 2,299i
6.
 
Nikon D53004/5+ +..79/1004.5/54.5/5 Oct 2013 799i
7.
 
Nikon D32005/5+ +..73/1004.5/54.5/5 Apr 2012 599i
8.
 
Nikon D52004/5+ +..79/1004.5/54.5/5 Nov 2012 749i
9.
 
Nikon D70004/5....80/1004.5/54.5/5 Sep 2010 1,499i
10.
 
Nikon D31005/5+ +..72/1004.5/54.5/5 Aug 2010 599i
11.
 
Nikon D5000..+ +..75/1004/54.5/5 Apr 2009 749i
12.
 
Sony A7C3.5/5..3.5/586/1004/54/5 Sep 2020 1,799 i
13.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 i
14.
 
Sony A995/5....84/1004.5/54.5/5 Sep 2012 2,799i
15.
 
Sony NEX-5R........4.5/54.5/5 Aug 2012 749i
16.
 
Sony NEX-5N3/5+ +..79/1004.5/54.5/5 Aug 2011 699i
17.
 
Sony A900..+ +..+ +4.5/55/5 Sep 2008 2,999i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. 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. Also, please note that some of the review sites have changed their methodology and reporting over time.

Nikon D5100:
Check Ebay offers
Sony A850:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Nikon D5100 vs Sony A850

    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 D5100 Sony A850
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Nikon F mount lenses Sony A mount lenses
    Launch Date April 2011 August 2009
    Launch Price USD 749 USD 1,999
    Sensor Specs Nikon D5100 Sony A850
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.6 x 15.7 mm 35.9 x 24.0 mm
    Sensor Area 370.52 mm2 861.6 mm2
    Sensor Diagonal 28.3 mm 43.2 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 16.1 Megapixels 24.4 Megapixels
    Image Resolution 4928 x 3264 pixels 6048 x 4032 pixels
    Pixel Pitch 4.80 μm 5.94 μm
    Pixel Density 4.34 MP/cm2 2.83 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/30p Video no Video
    ISO Setting 100 - 6,400 ISO 200 - 3,200 ISO
    ISO Boost 100 - 25,600 ISO 100 - 6,400 ISO
    Image Processor EXPEED 2 BIONZ
    DXO Sensor Quality (score) 80 79
    DXO Color Depth (bits) 23.5 23.8
    DXO Dynamic Range (EV) 13.6 12.2
    DXO Low Light (ISO) 1183 1415
    Screen Specs Nikon D5100 Sony A850
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 98%
    Viewfinder Magnification 0.51x 0.74x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 921k dots 922k dots
    LCD Attachment Swivel screen Fixed screen
    Shooting Specs Nikon D5100 Sony A850
    Focus System Phase-detect AF Phase-detect AF
    Continuous Shooting 4 shutter flaps/s 3 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards CF or MS cards
    Second Storage Option Single card slot Dual card slots
    Connectivity Specs Nikon D5100 Sony A850
    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 no MIC socket
    Wifi Support no Wifi no Wifi
    Body Specs Nikon D5100 Sony A850
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type EN-EL14 NP-FM500H
    Battery Life (CIPA)660 shots per charge880 shots per charge
    Body Dimensions 128 x 97 x 79 mm
    (5.0 x 3.8 x 3.1 in)
    156 x 117 x 82 mm
    (6.1 x 4.6 x 3.2 in)
    Camera Weight 560 g (19.8 oz) 895 g (31.6 oz)

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