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Nikon D300S vs Olympus E-M10

The Nikon D300S and the Olympus OM-D E-M10 are two digital cameras that were officially introduced, respectively, in July 2009 and January 2014. The D300S is a DSLR, while the E-M10 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D300S) and a Four Thirds (E-M10) sensor. The Nikon has a resolution of 12.2 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 D300S versus Olympus E-M10
Nikon D300S Olympus E-M10
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
12.2 MP, APS-C Sensor 15.9 MP, Four Thirds Sensor
720/24p Video 1080/30p Video
ISO 200-3,200 (100 - 6,400) ISO 200-25,600
Optical viewfinder Electronic viewfinder (1440k dots)
3.0 LCD, 920k dots 3.0 LCD, 1037k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
7 shutter flaps per second 8 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodynot weather sealed
950 shots per battery charge320 shots per battery charge
147 x 115 x 81 mm, 938 g 119 x 82 x 46 mm, 396 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D300S 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.

Body comparison

The physical size and weight of the Nikon D300S and the Olympus E-M10 are illustrated in the side-by-side display below. 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 D300S is only available in black.

Size Nikon D300S vs Olympus E-M10
Compare D300S versus E-M10 top
Comparison D300S 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 (42 percent) than the Nikon D300S. Moreover, the E-M10 is substantially lighter (58 percent) than the D300S. It is worth mentioning in this context that the D300S 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 (D300S) 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 D300S gets 950 shots out of its EN-EL3e battery, while the E-M10 can take 320 images on a single charge of its BLS-5 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 D300S 147 mm 115 mm 81 mm 938 g 950 Y Jul 2009 1,799i
2.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 699i
3.
 
Canon 7D 148 mm 111 mm 74 mm 860 g 800 Y Sep 2009 1,699i
4.
 
Nikon D500 147 mm 115 mm 81 mm 860 g 1240 Y Jan 2016 1,999 i
5.
 
Nikon D7000 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 1,499i
6.
 
Nikon D3100 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 599i
7.
 
Nikon D3S 160 mm 157 mm 88 mm 1240 g 4200 Y Oct 2009 5,199i
8.
 
Nikon D3000 126 mm 97 mm 64 mm 536 g 500 n Jul 2009 599i
9.
 
Nikon D90 132 mm 103 mm 77 mm 703 g 850 n Aug 2008 1,299i
10.
 
Nikon D700 147 mm 123 mm 77 mm 1074 g 1000 Y Jul 2008 2,999i
11.
 
Nikon D300 147 mm 114 mm 74 mm 925 g 1000 Y Aug 2007 1,799i
12.
 
Nikon D200 147 mm 113 mm 74 mm 920 g 400 Y Nov 2005 1,699i
13.
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 649i
14.
 
Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 n Aug 2014 599i
15.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999i
16.
 
Olympus E-PL6 111 mm 64 mm 38 mm 325 g 360 n May 2013 599i
17.
 
Olympus E-PL5 111 mm 64 mm 38 mm 325 g 360 n Sep 2012 599i
Notes: 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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The E-M10 was launched at a markedly lower price (by 61 percent) than the D300S, 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.

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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 D300S features an APS-C sensor and the Olympus E-M10 a Four Thirds sensor. The sensor area in the E-M10 is 40 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 2.0. The sensor in the D300S has a native 3:2 aspect ratio, while the one in the E-M10 offers a 4:3 aspect.

Nikon D300S and Olympus E-M10 sensor measures

Despite having a smaller sensor, the E-M10 offers a higher resolution of 15.9 megapixels, compared with 12.2 MP of the D300S. 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 5.53μm for the D300S). However, it should be noted that the E-M10 is much more recent (by 4 years and 6 months) than the D300S, 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 D300S are 21.4 x 14.2 inches or 54.5 x 36.2 cm for good quality, 17.2 x 11.4 inches or 43.6 x 28.9 cm for very good quality, and 14.3 x 9.5 inches or 36.3 x 24.1 cm for excellent quality prints.

The Nikon D300S has a native sensitivity range from ISO 200 to ISO 3200, which can be extended to ISO 100-6400. 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.

D300S versus E-M10 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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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 D300S APS-C 12.2 4288 2848720/24p22.512.278770
2.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
3.
 
Canon 7D APS-C 17.9 5184 34561080/30p22.011.785466
4.
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483
5.
 
Nikon D7000 APS-C 16.1 4928 326410800/24p23.513.9116780
6.
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967
7.
 
Nikon D3S Full Frame 12.1 4256 2832720/24p23.512.0325382
8.
 
Nikon D3000 APS-C 10.0 3872 2592none22.311.156362
9.
 
Nikon D90 APS-C 12.2 4288 2848720/24p22.712.597773
10.
 
Nikon D700 Full Frame 12.1 4256 2832none23.512.2230380
11.
 
Nikon D300 APS-C 12.2 4288 2848none22.112.067967
12.
 
Nikon D200 APS-C 10.0 3872 2592none22.311.558364
13.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
14.
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
15.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
16.
 
Olympus E-PL6 Four Thirds 15.9 4608 34561080/30p........
17.
 
Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the E-M10 provides a better video resolution than the D300S. It can shoot movie footage at 1080/30p, while the Nikon is limited to 720/24p.

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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 D300S 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 D300S has a higher magnification than the one of the E-M10 (0.63x 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 D300S and Olympus E-M10 along with similar information for a selection of comparators.

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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
1.
 
Nikon D300Soptical Y 3.0 920 fixed n 1/8000s 7.0 Y n
2.
 
Olympus E-M101440 n 3.0 1037 tilting Y 1/4000s 8.0 Y Y
3.
 
Canon 7Doptical Y 3.0 920 fixed n 1/8000s 8.0 Y n
4.
 
Nikon D500optical Y 3.2 2359 tilting Y 1/8000s 10.0 n n
5.
 
Nikon D7000optical Y 3.0 921 fixed n 1/8000s 6.0 Y n
6.
 
Nikon D3100optical n 3.0 230 fixed n 1/4000s 3.0 Y n
7.
 
Nikon D3Soptical Y 3.0 921 fixed n 1/8000s 11.0 n n
8.
 
Nikon D3000optical n 3.0 230 fixed n 1/4000s 3.0 Y n
9.
 
Nikon D90optical Y 3.0 920 fixed n 1/4000s 4.5 Y n
10.
 
Nikon D700optical Y 3.0 922 fixed n 1/8000s 8.0 Y n
11.
 
Nikon D300optical Y 3.0 922 fixed n 1/8000s 6.0 Y n
12.
 
Nikon D200optical Y 2.5 230 fixed n 1/8000s 5.0 Y n
13.
 
Olympus E-M10 II2360 n 3.0 1040 tilting Y 1/4000s 8.0 Y Y
14.
 
Olympus E-PL7optional n 3.0 1037 tilting Y 1/4000s 8.0 n Y
15.
 
Olympus E-P5optional n 3.0 1037 tilting Y 1/8000s 9.0 Y Y
16.
 
Olympus E-PL6optional n 3.0 460 tilting Y 1/4000s 8.0 n Y
17.
 
Olympus E-PL5optional n 3.0 460 tilting Y 1/4000s 8.0 n Y

One feature that is present on the D300S, 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 D300S 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 D300S writes its imaging data to Compact Flash or SDXC cards, while the E-M10 uses SDXC cards. The D300S features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-M10 only has one slot. The E-M10 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the D300S cannot take advantage of Ultra High Speed SD cards.

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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 D300S 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
    Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon D300SYstereomonoY-mini2.0---
2.
 
Olympus E-M10Ystereomono--micro2.0Y--
3.
 
Canon 7DYmono-Y-mini2.0---
4.
 
Nikon D500YstereomonoYYmini3.0YYY
5.
 
Nikon D7000YmonomonoY-mini2.0---
6.
 
Nikon D3100Ymonomono--mini2.0---
7.
 
Nikon D3SYstereo---mini2.0---
8.
 
Nikon D3000Y-----2.0---
9.
 
Nikon D90Ymonomono--mini2.0---
10.
 
Nikon D700Y----mini2.0---
11.
 
Nikon D300Y----mini2.0---
12.
 
Nikon D200Y-----2.0---
13.
 
Olympus E-M10 IIYstereomono--micro2.0Y--
14.
 
Olympus E-PL7Ystereomono--micro2.0Y--
15.
 
Olympus E-P5Ystereomono--micro2.0Y--
16.
 
Olympus E-PL6Ystereomono--mini2.0---
17.
 
Olympus E-PL5Ystereomono--mini2.0---

It is notable that the D300S has a microphone port, which is missing on the E-M10. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Studio photographers will appreciate that the Nikon D300S (unlike the E-M10) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the D300S and the E-M10 have been discontinued, but can regularly be found used on eBay. The D300S was replaced by the Nikon D500, while the E-M10 was followed by the Olympus E-M10 II. 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.

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Review summary

So how do things add up? Is there a clear favorite between the Nikon D300S and the Olympus E-M10? Which camera is better? 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 D300S:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.63x 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.
  • Longer lasting: Can take more shots (950 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 July 2009).

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Advantages of the Olympus OM-D E-M10:

  • More detail: Has more megapixels (15.9 vs 12.2MP), which boosts linear resolution by 12%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better video: Provides higher definition movie capture (1080/30p vs 720/24p).
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 920k 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.
  • Faster burst: Shoots at higher frequency (8 vs 7 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (119x82mm vs 147x115mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 542g or 58 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 file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More affordable: Was introduced into a lower priced category (61 percent cheaper at launch).
  • More modern: Reflects 4 years and 6 months of technical progress since the D300S launch.

If the count of individual advantages (bullet points above) is taken as a guide, the E-M10 is the clear winner of the contest (16 : 11 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional 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.

D300S 11:16 E-M10

How about other alternatives? Do the specifications of the Nikon D300S 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 comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the D300S or the E-M10 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 why hands-on reviews by experts are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], 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 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D300S5/5+ +82/1004/54.5/5 Jul 2009 1,799i
2.
 
Olympus E-M104/5..80/1005/55/5 Jan 2014 699i
3.
 
Canon 7D5/5+ +84/1004.5/54.5/5 Sep 2009 1,699i
4.
 
Nikon D5005/5+ +91/1004.5/55/5 Jan 2016 1,999 i
5.
 
Nikon D70004/5..80/1004.5/54.5/5 Sep 2010 1,499i
6.
 
Nikon D31005/5+ +72/1004.5/54.5/5 Aug 2010 599i
7.
 
Nikon D3S5/5..89/1004.5/55/5 Oct 2009 5,199i
8.
 
Nikon D3000..+72/1004/54.5/5 Jul 2009 599i
9.
 
Nikon D90..+ ++ +4/54.5/5 Aug 2008 1,299i
10.
 
Nikon D700..89/100+ +4.5/54.5/5 Jul 2008 2,999i
11.
 
Nikon D300..+ ++ +5/54.5/5 Aug 2007 1,799i
12.
 
Nikon D200..+ ++ +o.. Nov 2005 1,699i
13.
 
Olympus E-M10 II4.5/5+ +80/1005/55/5 Aug 2015 649i
14.
 
Olympus E-PL74/5+..5/54/5 Aug 2014 599i
15.
 
Olympus E-P55/5+ +78/1004.5/55/5 May 2013 999i
16.
 
Olympus E-PL6.......... May 2013 599i
17.
 
Olympus E-PL53/5+ +..4.5/54.5/5 Sep 2012 599i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted 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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Nikon D300S:
Check Ebay offers
Olympus E-M10:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Nikon D300S 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 D300S Olympus E-M10
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date July 2009 January 2014
    Launch Price USD 1,799 USD 699
    Sensor Specs Nikon D300S Olympus E-M10
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 23.6 x 15.8 mm 17.3 x 13.0 mm
    Sensor Area 372.88 mm2 224.9 mm2
    Sensor Diagonal 28.4 mm 21.6 mm
    Crop Factor 1.5x 2.0x
    Sensor Resolution 12.2 Megapixels 15.9 Megapixels
    Image Resolution 4288 x 2848 pixels 4608 x 3456 pixels
    Pixel Pitch 5.53 μm 3.76 μm
    Pixel Density 3.28 MP/cm2 7.08 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 720/24p Video 1080/30p Video
    ISO Setting 200 - 3,200 ISO 200 - 25,600 ISO
    ISO Boost 100 - 6,400 ISO 100 - 25,600 ISO
    Image Processor EXPEED TruePic VII
    DXO Sensor Quality (score) 70 72
    DXO Color Depth (bits) 22.5 22.8
    DXO Dynamic Range (EV) 12.2 12.3
    DXO Low Light (ISO) 787 884
    Screen Specs Nikon D300S Olympus E-M10
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.63x 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 920k dots 1037k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D300S 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 7 shutter flaps/s 8 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium CF or SDXC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support no UHS-I
    Connectivity Specs Nikon D300S 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
    Microphone Port External MIC port no MIC socket
    Wifi Support no Wifi Wifi built-in
    Body Specs Nikon D300S Olympus E-M10
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type EN-EL3e BLS-5
    Battery Life (CIPA)950 shots per charge320 shots per charge
    Body Dimensions 147 x 115 x 81 mm
    (5.8 x 4.5 x 3.2 in)
    119 x 82 x 46 mm
    (4.7 x 3.2 x 1.8 in)
    Camera Weight 938 g (33.1 oz) 396 g (14.0 oz)

    Did you notice an error on this page? If so, please get in touch, so that we can correct the information.

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