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Nikon D40 vs Olympus E-PM2

The Nikon D40 and the Olympus PEN E-PM2 are two digital cameras that were officially introduced, respectively, in November 2006 and September 2012. The D40 is a DSLR, while the E-PM2 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D40) and a Four Thirds (E-PM2) sensor. The Nikon has a resolution of 6 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 D40
versus
Olympus E-PM2
Nikon D40   Olympus E-PM2
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
6 MP – APS-C sensor 15.9 MP – Four Thirds sensor
no Video 1080/30p Video
ISO 200-1,600 (200 - 3,200) ISO 100-25,600
Optical viewfinder Viewfinder optional
2.5" LCD – 230k dots 3.0" LCD – 460k dots
Fixed screen (not touch-sensitive) Fixed touchscreen
2.5 shutter flaps per second 8 shutter flaps per second
Lens stabilization onlyIn-body stabilization
470 shots per battery charge360 shots per battery charge
124 x 94 x 64 mm, 522 g 110 x 64 x 34 mm, 269 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D40 and the Olympus PEN E-PM2? 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 physical size and weight of the Nikon D40 and the Olympus E-PM2 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 width, height and depth measures are rounded to the nearest millimeter.

The E-PM2 can be obtained in four different colors (black, silver, red, white), while the D40 is only available in black.

Size Nikon D40 vs Olympus E-PM2
Compare D40 versus E-PM2 top
Comparison D40 or E-PM2 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-PM2 is considerably smaller (40 percent) than the Nikon D40. Moreover, the E-PM2 is substantially lighter (48 percent) than the D40. In this context, it is worth noting that neither the D40 nor the E-PM2 are weather-sealed.

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 (D40) and the Micro Four Thirds Lens Catalog (E-PM2). Mirrorless cameras, such as the E-PM2, 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 D40 gets 470 shots out of its Nikon EN-EL9 battery, while the E-PM2 can take 360 images on a single charge of its Olympus BLS-5 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D40 124 mm 94 mm 64 mm 522 g 470 n Nov 2006 499ebay.com
2.
 
Olympus E-PM2 110 mm 64 mm 34 mm 269 g 360 n Sep 2012 499ebay.com
3.
 
Nikon D3400 124 mm 98 mm 76 mm 445 g 1200 n Aug 2016 499ebay.com
4.
 
Nikon D3300 124 mm 98 mm 76 mm 430 g 700 n Jan 2014 499ebay.com
5.
 
Nikon D3200 125 mm 96 mm 77 mm 505 g 540 n Apr 2012 599ebay.com
6.
 
Nikon D3100 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 599ebay.com
7.
 
Nikon D3000 126 mm 97 mm 64 mm 536 g 500 n Jul 2009 599ebay.com
8.
 
Nikon D40X 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 729ebay.com
9.
 
Nikon D80 132 mm 103 mm 77 mm 668 g 600 n Aug 2006 999ebay.com
10.
 
Nikon D50 133 mm 102 mm 76 mm 620 g 400 n Apr 2005 749ebay.com
11.
 
Nikon D70s 140 mm 111 mm 78 mm 679 g 500 n Apr 2005 899ebay.com
12.
 
Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 n Aug 2014 599ebay.com
13.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999ebay.com
14.
 
Olympus E-PL6 111 mm 64 mm 38 mm 325 g 360 n May 2013 599ebay.com
15.
 
Olympus E-PL5 111 mm 64 mm 38 mm 325 g 360 n Sep 2012 599ebay.com
16.
 
Olympus E-PM1 110 mm 64 mm 34 mm 265 g 330 n Jun 2011 499ebay.com
17.
 
Panasonic L10 135 mm 96 mm 78 mm 556 g 450 n Aug 2007 599ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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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 two cameras under review were launched at the same price and fall into the same 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 sensor inside a digital camera is one of the key determinants of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Nikon D40 features an APS-C sensor and the Olympus E-PM2 a Four Thirds sensor. The sensor area in the E-PM2 is 39 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 D40 has a native 3:2 aspect ratio, while the one in the E-PM2 offers a 4:3 aspect.

Nikon D40 and Olympus E-PM2 sensor measures

Despite having a smaller sensor, the E-PM2 offers a higher resolution of 15.9 megapixels, compared with 6 MP of the D40. 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 7.85μm for the D40). However, it should be noted that the E-PM2 is much more recent (by 5 years and 10 months) than the D40, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Olympus E-PM2 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-PM2 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 D40 are 15 x 10 inches or 38.2 x 25.4 cm for good quality, 12 x 8 inches or 30.6 x 20.3 cm for very good quality, and 10 x 6.7 inches or 25.5 x 16.9 cm for excellent quality prints.

The Nikon D40 has a native sensitivity range from ISO 200 to ISO 1600, which can be extended to ISO 200-3200. The corresponding ISO settings for the Olympus PEN E-PM2 are ISO 100 to ISO 25600 (no boost).

In terms of underlying technology, the D40 is build around a CCD sensor, while the E-PM2 uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

D40 versus E-PM2 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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"). Of the two cameras under consideration, the E-PM2 offers substantially better image quality than the D40 (overall score 16 points higher). The advantage is based on 1.7 bits higher color depth, 1.2 EV in additional dynamic range, and 0.7 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.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon D40 APS-C 6.0 3008 2000none21.011.056156
2.
 
Olympus E-PM2 Four Thirds 15.9 4608 34561080/30p22.712.293272
3.
 
Nikon D3400 APS-C 24.0 6000 40001080/60p24.813.9119286
4.
 
Nikon D3300 APS-C 24.0 6000 40001080/60p24.312.8138582
5.
 
Nikon D3200 APS-C 24.1 6016 40001080/30p24.113.2113181
6.
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967
7.
 
Nikon D3000 APS-C 10.0 3872 2592none22.311.156362
8.
 
Nikon D40X APS-C 10.0 3872 2592none22.411.451663
9.
 
Nikon D80 APS-C 10.0 3872 2592none22.111.252461
10.
 
Nikon D50 APS-C 6.0 3008 2000none20.910.856055
11.
 
Nikon D70s APS-C 6.0 3008 2000none20.410.352950
12.
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
13.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
14.
 
Olympus E-PL6 Four Thirds 15.9 4608 34561080/30p22.512.071768
15.
 
Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972
16.
 
Olympus E-PM1 Four Thirds 12.2 4032 30241080/60i21.010.349952
17.
 
Panasonic L10 Four Thirds 10.0 3648 2736none21.310.842955
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but also of capturing video footage. The E-PM2 indeed provides for movie recording, while the D40 does not. The highest resolution format that the E-PM2 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 D40 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the E-PM2 relies on live view and the rear LCD for framing. That said, the E-PM2 can be equipped with an optional viewfinder – the VF-4. The following table reports on some other key feature differences and similarities of the Nikon D40, the Olympus E-PM2, and comparable cameras.

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Core Features
# image 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 D40optical n2.5 / 230 fixed n 1/4000s 2.5/s Y n
2.
 
Olympus E-PM2optional n3.0 / 460 fixed Y 1/4000s 8.0/s n Y
3.
 
Nikon D3400optical n3.0 / 921 fixed n 1/4000s 5.0/s Y n
4.
 
Nikon D3300optical n3.0 / 921 fixed n 1/4000s 5.0/s Y n
5.
 
Nikon D3200optical n3.0 / 921 fixed n 1/4000s 4.0/s Y n
6.
 
Nikon D3100optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
7.
 
Nikon D3000optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
8.
 
Nikon D40Xoptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
9.
 
Nikon D80optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
10.
 
Nikon D50optical n2.0 / 130 fixed n 1/4000s 2.5/s Y n
11.
 
Nikon D70soptical n2.0 / 130 fixed n 1/8000s 3.0/s Y n
12.
 
Olympus E-PL7optional n3.0 / 1037 tilting Y 1/4000s 8.0/s n Y
13.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
14.
 
Olympus E-PL6optional n3.0 / 460 tilting Y 1/4000s 8.0/s n Y
15.
 
Olympus E-PL5optional n3.0 / 460 tilting Y 1/4000s 8.0/s n Y
16.
 
Olympus E-PM1optional n3.0 / 460 fixed n 1/4000s 5.5/s n Y
17.
 
Panasonic L10optical n2.5 / 207 swivel n 1/4000s 3.0/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One difference between the cameras concerns the presence of an on-board flash. The D40 has one, while the E-PM2 does not. While the built-in flash of the D40 is not very powerful, it can at times be useful as a fill-in light.

The D40 writes its imaging data to SDHC cards, while the E-PM2 uses SDXC cards. The E-PM2 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the D40 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 D40 and Olympus PEN E-PM2 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon D40Y- / ----2.0---
2.
 
Olympus E-PM2Ystereo / mono--mini2.0---
3.
 
Nikon D3400Ymono / mono--mini2.0--Y
4.
 
Nikon D3300Ymono / monoY-mini2.0---
5.
 
Nikon D3200Ymono / monoY-mini2.0---
6.
 
Nikon D3100Ymono / mono--mini2.0---
7.
 
Nikon D3000Y- / ----2.0---
8.
 
Nikon D40XY- / ----2.0---
9.
 
Nikon D80Y- / ----2.0---
10.
 
Nikon D50Y- / ----2.0---
11.
 
Nikon D70sY- / ----2.0---
12.
 
Olympus E-PL7Ystereo / mono--micro2.0Y--
13.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
14.
 
Olympus E-PL6Ystereo / mono--mini2.0---
15.
 
Olympus E-PL5Ystereo / mono--mini2.0---
16.
 
Olympus E-PM1Ystereo / mono--mini2.0---
17.
 
Panasonic L10Y- / ----2.0---
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Both the D40 and the E-PM2 have been discontinued, but can regularly be found used on ebay. The D40 was replaced by the Nikon D40X, while the E-PM2 does not have a direct successor. Further information on the features and operation of the D40 and E-PM2 can be found, respectively, in the Nikon D40 Manual (free pdf) or the online Olympus E-PM2 Manual.

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Review summary

So what is the bottom line? Is the Nikon D40 better than the Olympus E-PM2 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 D40:

  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Longer lasting: Can take more shots (470 versus 360) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More heavily discounted: Has been available for much longer (launched in November 2006).

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Reasons to prefer the Olympus PEN E-PM2:

  • More detail: Has more megapixels (15.9 vs 6MP), which boosts linear resolution by 59%.
  • Better image quality: Scores substantially higher (16 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.7 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.2 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.7 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 1080/30p video.
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (460k vs 230k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (8 vs 2.5 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (110x64mm vs 124x94mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 253g or 48 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.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 5 years and 10 months of technical progress since the D40 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the E-PM2 is the clear winner of the contest (16 : 4 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.

D40 04:16 E-PM2

How about other alternatives? Do the specifications of the Nikon D40 and the Olympus E-PM2 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 remains incomplete and does no justice, for example, to the way the D40 or the E-PM2 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 expert reviews are important. 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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D40..81/100..+ +o4.5/5 Nov 2006 499ebay.com
2.
 
Olympus E-PM23/5....77/1005/54.5/5 Sep 2012 499ebay.com
3.
 
Nikon D34004/5+4/576/1004/54.5/5 Aug 2016 499ebay.com
4.
 
Nikon D33003/5+..77/1004.5/54.5/5 Jan 2014 499ebay.com
5.
 
Nikon D32005/5+ +..73/1004.5/54.5/5 Apr 2012 599ebay.com
6.
 
Nikon D31005/5+ +..72/1004.5/54.5/5 Aug 2010 599ebay.com
7.
 
Nikon D3000..+..72/1004/54.5/5 Jul 2009 599ebay.com
8.
 
Nikon D40X..79/100..+ +4/54/5 Mar 2007 729ebay.com
9.
 
Nikon D80..+..+ +o4.5/5 Aug 2006 999ebay.com
10.
 
Nikon D50..78/100..+ +4/54.5/5 Apr 2005 749ebay.com
11.
 
Nikon D70s..........5/5 Apr 2005 899ebay.com
12.
 
Olympus E-PL74/5+....5/54/5 Aug 2014 599ebay.com
13.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999ebay.com
14.
 
Olympus E-PL6............ May 2013 599ebay.com
15.
 
Olympus E-PL53/5+ +....4.5/54.5/5 Sep 2012 599ebay.com
16.
 
Olympus E-PM1..86/100..71/1004.5/54.5/5 Jun 2011 499ebay.com
17.
 
Panasonic L10..85/100..+3.5/54/5 Aug 2007 599ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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, please note that some of the review sites have changed their methodology and reporting over time.

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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 make a corresponding selection in the search boxes below. 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 D40 vs Olympus E-PM2

    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 D40 Olympus E-PM2
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date November 2006 September 2012
    Launch Price USD 499 USD 499
    Sensor Specs Nikon D40 Olympus E-PM2
    Sensor Technology CCD CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 23.7 x 15.6 mm 17.3 x 13.0 mm
    Sensor Area 369.72 mm2 224.9 mm2
    Sensor Diagonal 28.4 mm 21.6 mm
    Crop Factor 1.5x 2.0x
    Sensor Resolution 6 Megapixels 15.9 Megapixels
    Image Resolution 3008 x 2000 pixels 4608 x 3456 pixels
    Pixel Pitch 7.85 μm 3.76 μm
    Pixel Density 1.63 MP/cm2 7.08 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 1080/30p Video
    ISO Setting 200 - 1,600 ISO 100 - 25,600 ISO
    ISO Boost 200 - 3,200 ISO no Enhancement
    DXO Sensor Quality (score) 56 72
    DXO Color Depth (bits) 21.0 22.7
    DXO Dynamic Range (EV) 11.0 12.2
    DXO Low Light (ISO) 561 932
    Screen Specs Nikon D40 Olympus E-PM2
    Viewfinder Type Optical viewfinder Viewfinder optional
    Viewfinder Field of View 95%
    Viewfinder Magnification 0.53x
    LCD Framing Live View
    Rear LCD Size 2.5inch 3.0inch
    LCD Resolution 230k dots 460k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D40 Olympus E-PM2
    Focus System Phase-detect AF Contrast-detect AF
    Continuous Shooting 2.5 shutter flaps/s 8 shutter flaps/s
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDHC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support no UHS-I
    Connectivity Specs Nikon D40 Olympus E-PM2
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI mini HDMI
    Wifi Support no Wifi no Wifi
    Body Specs Nikon D40 Olympus E-PM2
    Battery Type Nikon EN-EL9 Olympus BLS-5
    Battery Life (CIPA)470 shots per charge360 shots per charge
    Body Dimensions 124 x 94 x 64 mm
    (4.9 x 3.7 x 2.5 in)
    110 x 64 x 34 mm
    (4.3 x 2.5 x 1.3 in)
    Camera Weight 522 g (18.4 oz) 269 g (9.5 oz)
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