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Nikon D3S vs Olympus E-520

The Nikon D3S and the Olympus E-520 are two digital cameras that were officially introduced, respectively, in October 2009 and May 2008. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a full frame (D3S) and a Four Thirds (E-520) sensor. The Nikon has a resolution of 12.1 megapixels, whereas the Olympus provides 10 MP.

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

Headline Specifications
Nikon D3S   versus Olympus E-520
Nikon D3S Olympus E-520
Digital single lens reflex Digital single lens reflex
Nikon F mount lenses Four Thirds lenses
12.1 MP, Full Frame Sensor 10 MP, Four Thirds Sensor
720/24p Video no Video
ISO 200-12800 (100-102400) ISO 100-1600
Optical viewfinder Optical viewfinder
3.0" LCD, 921k dots 2.7" LCD, 215k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
11 shutter flaps per second 3.5 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyNot weather sealed
4200 shots per battery charge750 shots per battery charge
160 x 157 x 88 mm, 1240 g 136 x 92 x 68 mm, 535 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D3S and the Olympus E-520? 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 side-by-side display below illustrates the physical size and weight of the Nikon D3S and the Olympus E-520. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Nikon D3S vs Olympus E-520
Compare D3S versus E-520 top
Comparison D3S or E-520 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-520 is considerably smaller (50 percent) than the Nikon D3S. Moreover, the E-520 is substantially lighter (57 percent) than the D3S. It is worth mentioning in this context that the D3S is splash and dust resistant, while the E-520 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Nikon Lens Catalog (D3S) and the Four Thirds Lens Catalog (E-520).

Concerning battery life, the D3S gets 4200 shots out of its EN-EL4a battery, while the E-520 can take 750 images on a single charge of its BLM-1 power pack. As can be seen in the images above, the D3S has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power.

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)
Used
Price
(USD)
Camera
Model
 
Nikon D3S» 6.3 in 6.2 in 3.5 in 43.7 oz 4200 Y Oct 2009 5,199- i Nikon D3S
 
Olympus E-520« 5.4 in 3.6 in 2.7 in 18.9 oz 750 n May 2008 699- i Olympus E-520
 
Canon 1D Mark IV« » 6.1 in 6.2 in 3.1 in 43.4 oz 1500 Y Oct 2009 4,999- i Canon 1D Mark IV
 
Canon 1D Mark III« » 6.1 in 6.2 in 3.1 in 40.7 oz 2200 Y Feb 2007 4,499- i Canon 1D Mark III
 
Nikon D5« » 6.3 in 6.3 in 3.6 in 49.9 oz 3780 Y Jan 2016 6,499 i i Nikon D5
 
Nikon D4S« » 6.3 in 6.2 in 3.6 in 47.6 oz 3020 Y Feb 2014 6,499- i Nikon D4S
 
Nikon D4« » 6.3 in 6.2 in 3.6 in 47.3 oz 2600 Y Jan 2012 5,999- i Nikon D4
 
Nikon D300S« » 5.8 in 4.5 in 3.2 in 33.1 oz 950 Y Jul 2009 1,799- i Nikon D300S
 
Nikon D3X« » 6.3 in 6.2 in 3.5 in 44.4 oz 4400 Y Dec 2008 7,999- i Nikon D3X
 
Nikon D700« » 5.8 in 4.8 in 3.0 in 37.9 oz 1000 Y Jul 2008 2,999- i Nikon D700
 
Nikon D3« » 6.3 in 6.2 in 3.5 in 45.9 oz 4300 Y Aug 2007 4,999- i Nikon D3
 
Nikon D2Xs« » 6.2 in 5.9 in 3.4 in 44.2 oz 3800 Y Jun 2006 4,699- i Nikon D2Xs
 
Olympus E-600« » 5.1 in 3.7 in 2.4 in 18.9 oz 500 n Aug 2009 449- i Olympus E-600
 
Olympus E-620« » 5.1 in 3.7 in 2.4 in 18.4 oz 500 n Feb 2009 699- i Olympus E-620
 
Olympus E-420« » 5.1 in 3.6 in 2.1 in 15.5 oz 500 n Mar 2008 599- i Olympus E-420
 
Olympus E-410« » 5.1 in 3.6 in 2.1 in 15.3 oz 500 n Mar 2007 699- i Olympus E-410
 
Olympus E-510« » 5.4 in 3.6 in 2.7 in 19.0 oz 750 n Mar 2007 799- i Olympus E-510
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 retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The E-520 was launched at a markedly lower price (by 87 percent) than the D3S, 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.

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Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Nikon D3S features a full frame sensor and the Olympus E-520 a Four Thirds sensor. The sensor area in the E-520 is 74 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 2.0. The sensor in the D3S has a native 3:2 aspect ratio, while the one in the E-520 offers a 4:3 aspect.

Nikon D3S and Olympus E-520 sensor measures

With 12.1MP, the D3S offers a higher resolution than the E-520 (10MP), but the D3S nevertheless has larger individual pixels (pixel pitch of 8.43μm versus 4.74μm for the E-520) due to its larger sensor. Moreover, the D3S is a somewhat more recent model (by 1 year and 5 months) than the E-520, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

The resolution advantage of the Nikon D3S implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the D3S for good quality output (200 dots per inch) amounts to 21.3 x 14.2 inch or 54.1 x 36 cm, for very good quality (250 dpi) 17 x 11.3 inch or 43.2 x 28.8 cm, and for excellent quality (300 dpi) 14.2 x 9.4 inch or 36 x 24 cm. The corresponding values for the Olympus E-520 are 18.2 x 13.7 inch or 46.3 x 34.7 cm for good quality, 14.6 x 10.9 inch or 37.1 x 27.8 cm for very good quality, and 12.2 x 9.1 inch or 30.9 x 23.2 cm for excellent quality prints.

The Nikon D3S has a native sensitivity range from ISO 200 to ISO 12800, which can be extended to ISO 100-102400. The corresponding ISO settings for the Olympus E-520 are ISO 100 to ISO 1600 (no boost).

D3S versus E-520 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under review, the D3S provides substantially higher image quality than the E-520, with an overall score that is 27 points higher. This advantage is based on 2.1 bits higher color depth, 1.6 EV in additional dynamic range, and 2.6 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar 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
 
Nikon D3S» Full Frame 12.1 4256 2832720/24p23.512.0325382Nikon D3S
 
Olympus E-520« Four Thirds 10.0 3648 2736-21.410.454855Olympus E-520
 
Canon 1D Mark IV« » APS-H 16.0 4896 32641080/30p22.812.0132074Canon 1D Mark IV
 
Canon 1D Mark III« » APS-H 10.1 3888 2592-22.711.7107871Canon 1D Mark III
 
Nikon D5« » Full Frame 20.7 5588 37124K/30p25.112.3234388Nikon D5
 
Nikon D4S« » Full Frame 16.2 4928 32801080/60p24.413.3307489Nikon D4S
 
Nikon D4« » Full Frame 16.2 4928 32801080/30p24.713.1296589Nikon D4
 
Nikon D300S« » APS-C 12.2 4288 2848720/24p22.512.278770Nikon D300S
 
Nikon D3X« » Full Frame 24.4 6048 4032-24.713.7199288Nikon D3X
 
Nikon D700« » Full Frame 12.1 4256 2832-23.512.2230380Nikon D700
 
Nikon D3« » Full Frame 12.1 4256 2832-23.512.2229081Nikon D3
 
Nikon D2Xs« » APS-C 12.2 4288 2848-22.210.948959Nikon D2Xs
 
Olympus E-600« » Four Thirds 12.2 4032 3024-21.510.354155Olympus E-600
 
Olympus E-620« » Four Thirds 12.2 4032 3024-21.310.353655Olympus E-620
 
Olympus E-420« » Four Thirds 10.0 3648 2736-21.510.452756Olympus E-420
 
Olympus E-410« » Four Thirds 10.0 3648 2736-21.110.049451Olympus E-410
 
Olympus E-510« » Four Thirds 10.0 3648 2736-21.210.044252Olympus E-510

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The D3S indeed provides movie recording capabilities, while the E-520 does not. The highest resolution format that the D3S can use is 720/24p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The D3S and the E-520 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 D3S offers a wider field of view (100%) than the one in the E-520 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the D3S has a higher magnification (0.70x vs 0.46x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Nikon D3S, the Olympus E-520, 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
 
Nikon D3S»optical Y 3.0 921 fixed n 1/8000s 11.0 n n Nikon D3S
 
Olympus E-520«optical n 2.7 215 fixed n 1/4000s 3.5 Y Y Olympus E-520
 
Canon 1D Mark IV« »optical Y 3.0 920 fixed n 1/8000s 10.0 n n Canon 1D Mark IV
 
Canon 1D Mark III« »optical Y 3.0 230 fixed n 1/8000s 10.0 n n Canon 1D Mark III
 
Nikon D5« »optical Y 3.2 2359 fixed Y 1/8000s 14.0 n n Nikon D5
 
Nikon D4S« »optical Y 3.2 921 fixed n 1/8000s 11.0 n n Nikon D4S
 
Nikon D4« »optical Y 3.2 921 fixed n 1/8000s 11.0 n n Nikon D4
 
Nikon D300S« »optical Y 3.0 920 fixed n 1/8000s 7.0 Y n Nikon D300S
 
Nikon D3X« »optical Y 3.0 922 fixed n 1/8000s 5.0 n n Nikon D3X
 
Nikon D700« »optical Y 3.0 922 fixed n 1/8000s 8.0 Y n Nikon D700
 
Nikon D3« »optical Y 3.0 922 fixed n 1/8000s 11.0 n n Nikon D3
 
Nikon D2Xs« »optical Y 2.5 230 fixed n 1/8000s 5.0 n n Nikon D2Xs
 
Olympus E-600« »optical n 2.7 230 swivel n 1/4000s 4.0 Y Y Olympus E-600
 
Olympus E-620« »optical n 2.7 230 swivel n 1/4000s 4.0 Y Y Olympus E-620
 
Olympus E-420« »optical n 2.7 215 fixed n 1/4000s 3.5 Y n Olympus E-420
 
Olympus E-410« »optical n 2.5 215 fixed n 1/4000s 3.0 Y n Olympus E-410
 
Olympus E-510« »optical n 2.5 215 fixed n 1/4000s 3.0 Y Y Olympus E-510

One feature that is present on the D3S, but is missing on the E-520 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The Nikon D3S 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 D3S writes its imaging data to Compact Flash cards, while the E-520 uses Compact Flash or xD Picture cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails.

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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 D3S and Olympus E-520 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
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Nikon D3S»Ystereo---mini2.0---Nikon D3S
 
Olympus E-520«Y-----2.0---Olympus E-520
 
Canon 1D Mark IV« »Ystereo-Y-mini2.0---Canon 1D Mark IV
 
Canon 1D Mark III« »Y-----2.0---Canon 1D Mark III
 
Nikon D5« »YstereomonoYYmini3.0---Nikon D5
 
Nikon D4S« »YmonomonoYYmini2.0---Nikon D4S
 
Nikon D4« »Ymonomono--micro2.0---Nikon D4
 
Nikon D300S« »YstereomonoY-mini2.0---Nikon D300S
 
Nikon D3X« »Y----mini2.0---Nikon D3X
 
Nikon D700« »Y----mini2.0---Nikon D700
 
Nikon D3« »Y----mini2.0---Nikon D3
 
Nikon D2Xs« »Y-----2.0---Nikon D2Xs
 
Olympus E-600« »Y-----2.0---Olympus E-600
 
Olympus E-620« »Y-----2.0---Olympus E-620
 
Olympus E-420« »Y-----2.0---Olympus E-420
 
Olympus E-410« »Y-----2.0---Olympus E-410
 
Olympus E-510« »Y-----2.0---Olympus E-510

Studio photographers will appreciate that the Nikon D3S (unlike the E-520) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the D3S and the E-520 have been discontinued, but can regularly be found used on eBay. The D3S was replaced by the Nikon D4, while the E-520 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 Olympus websites.


Review summary

So how do things add up? Is the Nikon D3S better than the Olympus E-520 or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Nikon D3S:

  • More detail: Offers more megapixels (12.1 vs 10MP) with a 12% higher linear resolution.
  • Better image quality: Scores substantially higher (27 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (2.1 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (1.6 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (2.6 stops ISO advantage).
  • Broader imaging potential: Can record not only still images but also 720/24p movies.
  • 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 (0.70x vs 0.46x).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.7") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (921k vs 215k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (11 vs 3.5 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (4200 versus 750) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More modern: Is somewhat more recent (announced 1 year and 5 months after the E-520).

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Reasons to prefer the Olympus E-520:

  • More compact: Is smaller (136x92mm vs 160x157mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 705g or 57 percent) and is thus easier to take along.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (87 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in May 2008).

If the count of relative strengths (bullet points above) is taken as a measure, the D3S is the clear winner of the match-up (19 : 6 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

D3S 19:06 E-520

How about other alternatives? Do the specifications of the Nikon D3S and the Olympus E-520 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the D3S or the E-520. 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 (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
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Nikon D3S»-89/1004.5/55/55/5 Oct 2009 5,199- i Nikon D3S
 
Olympus E-520«87/100+ +4.5/54/54.5/5 May 2008 699- i Olympus E-520
 
Canon 1D Mark IV« »-89/100-5/5- Oct 2009 4,999- i Canon 1D Mark IV
 
Canon 1D Mark III« »---o- Feb 2007 4,499- i Canon 1D Mark III
 
Nikon D5« »-89/1004.5/55/55/5 Jan 2016 6,499 i i Nikon D5
 
Nikon D4S« »--4.5/55/54.5/5 Feb 2014 6,499- i Nikon D4S
 
Nikon D4« »--4.5/5-4.5/5 Jan 2012 5,999- i Nikon D4
 
Nikon D300S« »+ +82/1004/55/54.5/5 Jul 2009 1,799- i Nikon D300S
 
Nikon D3X« »-86/1004/55/55/5 Dec 2008 7,999- i Nikon D3X
 
Nikon D700« »89/100+ +4.5/55/54.5/5 Jul 2008 2,999- i Nikon D700
 
Nikon D3« »-+ +5/5o4.5/5 Aug 2007 4,999- i Nikon D3
 
Nikon D2Xs« »---o- Jun 2006 4,699- i Nikon D2Xs
 
Olympus E-600« »----4.5/5 Aug 2009 449- i Olympus E-600
 
Olympus E-620« »88/10072/1004.5/5o5/5 Feb 2009 699- i Olympus E-620
 
Olympus E-420« »85/100+ +4/5o4.5/5 Mar 2008 599- i Olympus E-420
 
Olympus E-410« »86/100+ +4/5o4.5/5 Mar 2007 699- i Olympus E-410
 
Olympus E-510« »89/100+ +3.5/5o4.5/5 Mar 2007 799- i Olympus E-510
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

The review scores listed above should be treated with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Nikon D3S:
Check Ebay offers
Olympus E-520:
Check Ebay offers

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 make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Nikon D3S vs Olympus E-520

    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 D3S Olympus E-520
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Nikon F mount lenses Four Thirds lenses
    Launch Date October 2009 May 2008
    Launch Price USD 5199 USD 699
    Sensor Specs Nikon D3S Olympus E-520
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor Four Thirds Sensor
    Sensor Size 36.0 x 23.9 mm 17.3 x 13.0 mm
    Sensor Area 860.4 mm2 224.9 mm2
    Sensor Diagonal 43.2 mm 21.6 mm
    Crop Factor 1.0x 2.0x
    Sensor Resolution 12.1 Megapixels 10 Megapixels
    Image Resolution 4256 x 2832 pixels 3648 x 2736 pixels
    Pixel Pitch 8.43 μm 4.74 μm
    Pixel Density 1.40 MP/cm2 4.44 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 720/24p Video no Video
    ISO Setting 200-12800 ISO 100-1600 ISO
    ISO Boost 100-102400 ISO no Enhancement
    Image Processor EXPEED TruePic III
    DXO Sensor Quality (score) 82 55
    DXO Color Depth (bits) 23.5 21.4
    DXO Dynamic Range (EV) 12.0 10.4
    DXO Low Light (ISO) 3253 548
    Screen Specs Nikon D3S Olympus E-520
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 100% 95%
    Viewfinder Magnification 0.70x 0.46x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 2.7 inch
    LCD Resolution 921k dots 215k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Nikon D3S Olympus E-520
    Autofocus System Phase-detect AF Phase-detect AF
    Continuous Shooting 11 shutter flaps/s 3.5 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium CF cards CF or XD cards
    Second Storage Option Dual card slots Dual card slots
    Connectivity Specs Nikon D3S Olympus E-520
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI no HDMI
    Wifi Support no Wifi no Wifi
    Body Specs Nikon D3S Olympus E-520
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type EN-EL4a BLM-1
    Battery Life (CIPA)4200 shots per charge750 shots per charge
    Body Dimensions 160 x 157 x 88 mm
    (6.3 x 6.2 x 3.5 in)
    136 x 92 x 68 mm
    (5.4 x 3.6 x 2.7 in)
    Camera Weight 1240 g (43.7 oz) 535 g (18.9 oz)

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