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Nikon D3 vs Olympus E-M10

The Nikon D3 and the Olympus OM-D E-M10 are two digital cameras that were announced, respectively, in August 2007 and January 2014. The D3 is a DSLR, while the E-M10 is a mirrorless interchangeable lens camera. The cameras are based on a full frame (D3) and a Four Thirds (E-M10) sensor. The Nikon has a resolution of 12.1 megapixels, whereas the Olympus provides 15.9 MP.

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

Headline Specifications
Nikon D3
versus
Olympus E-M10
Nikon D3   Olympus E-M10
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
12.1 MP – Full Frame sensor 15.9 MP – Four Thirds sensor
no Video 1080/30p Video
ISO 200-6,400 (100 - 25,600) ISO 200-25,600
Optical viewfinder Electronic viewfinder (1440k dots)
3.0" LCD – 922k dots 3.0" LCD – 1037k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
11 shutter flaps per second 8 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodynot weather sealed
4300 shots per battery charge320 shots per battery charge
160 x 157 x 88 mm, 1300 g 119 x 82 x 46 mm, 396 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D3 and the Olympus OM-D E-M10? 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 D3 and the Olympus E-M10. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

The E-M10 can be obtained in two different colors (black, silver), while the D3 is only available in black.

Size Nikon D3 vs Olympus E-M10
Compare D3 versus E-M10 top
Comparison D3 or E-M10 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M10 is considerably smaller (61 percent) than the Nikon D3. Moreover, the E-M10 is substantially lighter (70 percent) than the D3. It is worth mentioning in this context that the D3 is splash and dust resistant, while the E-M10 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 (D3) and the Micro Four Thirds Lens Catalog (E-M10). Mirrorless cameras, such as the E-M10, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the D3 gets 4300 shots out of its Nikon EN-EL4a battery, while the E-M10 can take 320 images on a single charge of its Olympus BLS-5 power pack. As can be seen in the images above, the D3 has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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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 (USD)
Street
Price
1.
 
Nikon D3 160 mm 157 mm 88 mm 1300 g 4300 Y Aug 2007 4,999ebay.com
2.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 699ebay.com
3.
 
Canon 1D Mark III 156 mm 157 mm 80 mm 1155 g 2200 Y Feb 2007 4,499ebay.com
4.
 
Nikon D2X 158 mm 150 mm 86 mm 1252 g 3800 Y Sep 2004 4,999ebay.com
5.
 
Nikon D2Xs 158 mm 150 mm 86 mm 1252 g 3800 Y Jun 2006 4,699ebay.com
6.
 
Nikon D3S 160 mm 157 mm 88 mm 1240 g 4200 Y Oct 2009 5,199ebay.com
7.
 
Nikon D3X 160 mm 157 mm 88 mm 1260 g 4400 Y Dec 2008 7,999ebay.com
8.
 
Nikon D4 160 mm 157 mm 91 mm 1340 g 2600 Y Jan 2012 5,999ebay.com
9.
 
Nikon D4S 160 mm 157 mm 91 mm 1350 g 3020 Y Feb 2014 6,499ebay.com
10.
 
Nikon D5 160 mm 159 mm 92 mm 1415 g 3780 Y Jan 2016 6,499ebay.com
11.
 
Nikon D300 147 mm 114 mm 74 mm 925 g 1000 Y Aug 2007 1,799ebay.com
12.
 
Nikon D700 147 mm 123 mm 77 mm 1074 g 1000 Y Jul 2008 2,999ebay.com
13.
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 649ebay.com
14.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999ebay.com
15.
 
Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 n Aug 2014 599ebay.com
16.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599ebay.com
17.
 
Panasonic GX7 123 mm 71 mm 55 mm 402 g 350 n Aug 2013 999ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or 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 E-M10 was launched at a markedly lower price (by 86 percent) than the D3, 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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to 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 D3 features a full frame sensor and the Olympus E-M10 a Four Thirds sensor. The sensor area in the E-M10 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 D3 has a native 3:2 aspect ratio, while the one in the E-M10 offers a 4:3 aspect.

Nikon D3 and Olympus E-M10 sensor measures

Despite having a smaller sensor, the E-M10 offers a higher resolution of 15.9 megapixels, compared with 12.1 MP of the D3. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.76μm versus 8.43μm for the D3). However, it should be noted that the E-M10 is much more recent (by 6 years and 5 months) than the D3, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. Coming back to sensor resolution, it should be mentioned that the E-M10 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Olympus E-M10 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-M10 for good quality output (200 dots per inch) amounts to 23 x 17.3 inches or 58.5 x 43.9 cm, for very good quality (250 dpi) 18.4 x 13.8 inches or 46.8 x 35.1 cm, and for excellent quality (300 dpi) 15.4 x 11.5 inches or 39 x 29.3 cm. The corresponding values for the Nikon D3 are 21.3 x 14.2 inches or 54.1 x 36 cm for good quality, 17 x 11.3 inches or 43.2 x 28.8 cm for very good quality, and 14.2 x 9.4 inches or 36 x 24 cm for excellent quality prints.

The Nikon D3 has a native sensitivity range from ISO 200 to ISO 6400, which can be extended to ISO 100-25600. The corresponding ISO settings for the Olympus OM-D E-M10 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

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.

D3 versus E-M10 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 D3 has a notably higher overall DXO score than the E-M10 (overall score 9 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.7 bits higher color depth, 0.1 EV of lower 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.

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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 D3 Full Frame 12.1 4256 2832none23.512.2229081
2.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
3.
 
Canon 1D Mark III APS-H 10.1 3888 2592none22.711.7107871
4.
 
Nikon D2X APS-C 12.2 4288 2848none22.110.947659
5.
 
Nikon D2Xs APS-C 12.2 4288 2848none22.210.948959
6.
 
Nikon D3S Full Frame 12.1 4256 2832720/24p23.512.0325382
7.
 
Nikon D3X Full Frame 24.4 6048 4032none24.713.7199288
8.
 
Nikon D4 Full Frame 16.2 4928 32801080/30p24.713.1296589
9.
 
Nikon D4S Full Frame 16.2 4928 32801080/60p24.413.3307489
10.
 
Nikon D5 Full Frame 20.7 5588 37124K/30p25.112.3234388
11.
 
Nikon D300 APS-C 12.2 4288 2848none22.112.067967
12.
 
Nikon D700 Full Frame 12.1 4256 2832none23.512.2230380
13.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
14.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
15.
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
16.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
17.
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870

Many modern cameras cannot only take still pictures, but also record videos. The E-M10 indeed provides for movie recording, while the D3 does not. The highest resolution format that the E-M10 can use is 1080/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the E-M10 has an electronic viewfinder (1440k dots), while the D3 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 viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the D3 has a higher magnification than the one of the E-M10 (0.70x vs 0.58x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Nikon D3 and Olympus E-M10 along with similar information for a selection of comparators.

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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 D3optical Y3.0 / 922 fixed n 1/8000s 11.0/s n n
2.
 
Olympus E-M101440 n3.0 / 1037 tilting Y 1/4000s 8.0/s Y Y
3.
 
Canon 1D Mark IIIoptical Y3.0 / 230 fixed n 1/8000s 10.0/s n n
4.
 
Nikon D2Xoptical Y2.5 / 235 fixed n 1/8000s 5.0/s n n
5.
 
Nikon D2Xsoptical Y2.5 / 230 fixed n 1/8000s 5.0/s n n
6.
 
Nikon D3Soptical Y3.0 / 921 fixed n 1/8000s 11.0/s n n
7.
 
Nikon D3Xoptical Y3.0 / 922 fixed n 1/8000s 5.0/s n n
8.
 
Nikon D4optical Y3.2 / 921 fixed n 1/8000s 11.0/s n n
9.
 
Nikon D4Soptical Y3.2 / 921 fixed n 1/8000s 11.0/s n n
10.
 
Nikon D5optical Y3.2 / 2359 fixed Y 1/8000s 14.0/s n n
11.
 
Nikon D300optical Y3.0 / 922 fixed n 1/8000s 6.0/s Y n
12.
 
Nikon D700optical Y3.0 / 922 fixed n 1/8000s 8.0/s Y n
13.
 
Olympus E-M10 II2360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y Y
14.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
15.
 
Olympus E-PL7optional n3.0 / 1037 tilting Y 1/4000s 8.0/s n Y
16.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0/s Y n
17.
 
Panasonic GX72760 n3.0 / 1040 tilting Y 1/8000s 5.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the D3, but is missing on the E-M10 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 D3 and the Olympus E-M10 both have 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 D3 writes its imaging data to Compact Flash cards, while the E-M10 uses SDXC cards. The D3 features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-M10 only has one slot.

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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 D3 and Olympus OM-D E-M10 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 D3Y- / ---mini2.0---
2.
 
Olympus E-M10Ystereo / mono--micro2.0Y--
3.
 
Canon 1D Mark IIIY- / ----2.0---
4.
 
Nikon D2XY- / ----2.0---
5.
 
Nikon D2XsY- / ----2.0---
6.
 
Nikon D3SYstereo / ---mini2.0---
7.
 
Nikon D3XY- / ---mini2.0---
8.
 
Nikon D4Ymono / monoYYmicro2.0---
9.
 
Nikon D4SYmono / monoYYmini2.0---
10.
 
Nikon D5Ystereo / monoYYmini3.0---
11.
 
Nikon D300Y- / ---mini2.0---
12.
 
Nikon D700Y- / ---mini2.0---
13.
 
Olympus E-M10 IIYstereo / mono--micro2.0Y--
14.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
15.
 
Olympus E-PL7Ystereo / mono--micro2.0Y--
16.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
17.
 
Panasonic GX7Ystereo / mono--mini2.0YY-

It is notable that the E-M10 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the D3 does not provide wifi capability.

Studio photographers will appreciate that the Nikon D3 (unlike the E-M10) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the D3 and the E-M10 have been discontinued, but can regularly be found used on ebay. The D3 was replaced by the Nikon D4, while the E-M10 was followed by the Olympus E-M10 II. Further information on the features and operation of the D3 and E-M10 can be found, respectively, in the Nikon D3 Manual (free pdf) or the online Olympus E-M10 Manual.

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Review summary

So how do things add up? Which of the two cameras – the Nikon D3 or the Olympus E-M10 – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Nikon D3:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Scores markedly higher (9 points) in the DXO overall assessment.
  • Better low-light sensitivity: Requires less light for good images (1.4 stops ISO advantage).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.58x).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (11 vs 8 flaps/sec) to capture the decisive moment.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (4300 versus 320) 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.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been available for much longer (launched in August 2007).

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Advantages of the Olympus OM-D E-M10:

  • More detail: Has more megapixels (15.9 vs 12.1MP), which boosts linear resolution by 13%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Broader imaging potential: Can capture not only stills but also 1080/30p video.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 922k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More compact: Is smaller (119x82mm vs 160x157mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 904g or 70 percent) and is thus easier to take along.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • 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 (86 percent cheaper at launch).
  • More modern: Reflects 6 years and 5 months of technical progress since the D3 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the E-M10 comes out slightly ahead of the D3 (15 : 14 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional 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.

D3 14:15 E-M10

How about other alternatives? Do the specifications of the Nikon D3 and the Olympus E-M10 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the D3 and the E-M10 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 expert reviews 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 (USD)
Street
Price
1.
 
Nikon D3......+ +5/54.5/5 Aug 2007 4,999ebay.com
2.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 699ebay.com
3.
 
Canon 1D Mark III............ Feb 2007 4,499ebay.com
4.
 
Nikon D2X......+ +.... Sep 2004 4,999ebay.com
5.
 
Nikon D2Xs............ Jun 2006 4,699ebay.com
6.
 
Nikon D3S5/5....89/1004.5/55/5 Oct 2009 5,199ebay.com
7.
 
Nikon D3X......86/1004/55/5 Dec 2008 7,999ebay.com
8.
 
Nikon D4........4.5/54.5/5 Jan 2012 5,999ebay.com
9.
 
Nikon D4S5/5......4.5/54.5/5 Feb 2014 6,499ebay.com
10.
 
Nikon D5....4/589/1004.5/55/5 Jan 2016 6,499ebay.com
11.
 
Nikon D300..+ +..+ +5/54.5/5 Aug 2007 1,799ebay.com
12.
 
Nikon D700..89/100..+ +4.5/54.5/5 Jul 2008 2,999ebay.com
13.
 
Olympus E-M10 II4.5/5+ +..80/1005/55/5 Aug 2015 649ebay.com
14.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999ebay.com
15.
 
Olympus E-PL74/5+....5/54/5 Aug 2014 599ebay.com
16.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599ebay.com
17.
 
Panasonic GX74/5+..79/1005/55/5 Aug 2013 999ebay.com
Note: (+ +) 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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, 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.

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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: Nikon D3 vs Olympus E-M10

    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 D3 Olympus E-M10
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date August 2007 January 2014
    Launch Price USD 4,999 USD 699
    Sensor Specs Nikon D3 Olympus E-M10
    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 15.9 Megapixels
    Image Resolution 4256 x 2832 pixels 4608 x 3456 pixels
    Pixel Pitch 8.43 μm 3.76 μm
    Pixel Density 1.40 MP/cm2 7.08 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 1080/30p Video
    ISO Setting 200 - 6,400 ISO 200 - 25,600 ISO
    ISO Boost 100 - 25,600 ISO 100 - 25,600 ISO
    Image Processor EXPEED TruePic VII
    DXO Sensor Quality (score) 81 72
    DXO Color Depth (bits) 23.5 22.8
    DXO Dynamic Range (EV) 12.2 12.3
    DXO Low Light (ISO) 2290 884
    Screen Specs Nikon D3 Olympus E-M10
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x 0.58x
    Viewfinder Resolution 1440k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 922k dots 1037k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D3 Olympus E-M10
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 11 shutter flaps/s 8 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium CF cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    Connectivity Specs Nikon D3 Olympus E-M10
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Wifi Support no Wifi Wifi built-in
    Body Specs Nikon D3 Olympus E-M10
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Nikon EN-EL4a Olympus BLS-5
    Battery Life (CIPA)4300 shots per charge320 shots per charge
    Body Dimensions 160 x 157 x 88 mm
    (6.3 x 6.2 x 3.5 in)
    119 x 82 x 46 mm
    (4.7 x 3.2 x 1.8 in)
    Camera Weight 1300 g (45.9 oz) 396 g (14.0 oz)
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    Check D3 offers at
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    Check E-M10 offers at
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