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Nikon D40 vs Olympus E-PM1

The Nikon D40 and the Olympus PEN E-PM1 are two digital cameras that were officially introduced, respectively, in November 2006 and June 2011. The D40 is a DSLR, while the E-PM1 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D40) and a Four Thirds (E-PM1) sensor. The Nikon has a resolution of 6 megapixels, whereas the Olympus provides 12.2 MP.

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

Headline Specifications
Nikon D40 VS Olympus E-PM1
Nikon D40 Olympus E-PM1
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
6 MP, APS-C Sensor 12.2 MP, Four Thirds Sensor
no Video 1080/60i Video
ISO 200-1600 (200-3200) ISO 100-12800
Optical viewfinder Viewfinder optional
2.5" LCD, 230k dots 3.0" LCD, 460k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
2.5 shutter flaps per second 5.5 shutter flaps per second
Lens stabilization onlyIn-body stabilization
470 shots per battery charge330 shots per battery charge
124 x 94 x 64 mm, 522 g 110 x 64 x 34 mm, 265 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D40 and the Olympus PEN E-PM1? 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 D40 and the Olympus E-PM1. 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-PM1 can be obtained in six different colors (black, silver, brown, pink, purple, white), while the D40 is only available in black.

Size Nikon D40 vs Olympus E-PM1
Compare D40 versus E-PM1 top
Comparison D40 or E-PM1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-PM1 is considerably smaller (40 percent) than the Nikon D40. Moreover, the E-PM1 is substantially lighter (49 percent) than the D40. In this context, it is worth noting that neither the D40 nor the E-PM1 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-PM1). Mirrorless cameras, such as the E-PM1, 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 EN-EL9 battery, while the E-PM1 can take 330 images on a single charge of its BLS-5 power pack.

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, 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)
Camera
Model
 
Nikon D40» 124 mm 94 mm 64 mm 522 g 470 n Nov 2006 499iNikon D40
 
Olympus E-PM1« 110 mm 64 mm 34 mm 265 g 330 n Jun 2011 499iOlympus E-PM1
 
Nikon D3400« » 124 mm 98 mm 76 mm 445 g 1200 n Aug 2016 499iNikon D3400
 
Nikon D3300« » 124 mm 98 mm 76 mm 430 g 700 n Jan 2014 499iNikon D3300
 
Nikon D3200« » 125 mm 96 mm 77 mm 505 g 540 n Apr 2012 599iNikon D3200
 
Nikon D3100« » 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 599iNikon D3100
 
Nikon D3000« » 126 mm 97 mm 64 mm 536 g 500 n Jul 2009 599iNikon D3000
 
Nikon D40X« » 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 729iNikon D40X
 
Nikon D80« » 132 mm 103 mm 77 mm 668 g 600 n Aug 2006 999iNikon D80
 
Nikon D50« » 133 mm 102 mm 76 mm 620 g 400 n Apr 2005 749iNikon D50
 
Nikon D70s« » 140 mm 111 mm 78 mm 679 g 500 n Apr 2005 899iNikon D70s
 
Olympus E-PM2« » 110 mm 64 mm 34 mm 269 g 360 n Sep 2012 499iOlympus E-PM2
 
Olympus E-P3« » 122 mm 69 mm 34 mm 369 g 330 n Jun 2011 799iOlympus E-P3
 
Olympus E-PL2« » 114 mm 72 mm 42 mm 362 g 280 n Jan 2011 599iOlympus E-PL2
 
Olympus E-PL3« » 110 mm 64 mm 37 mm 313 g 300 n Jun 2011 599iOlympus E-PL3
 
Olympus E-PL1« » 115 mm 72 mm 42 mm 334 g 290 n Feb 2010 599iOlympus E-PL1
 
Panasonic L10« » 135 mm 96 mm 78 mm 556 g 450 n Aug 2007 599iPanasonic L10
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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. 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 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 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-PM1 a Four Thirds sensor. The sensor area in the E-PM1 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-PM1 offers a 4:3 aspect.

Nikon D40 and Olympus E-PM1 sensor measures

Despite having a smaller sensor, the E-PM1 offers a higher resolution of 12.2 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 4.29μm versus 7.85μm for the D40). However, it should be noted that the E-PM1 is much more recent (by 4 years and 7 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-PM1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-PM1 for good quality output (200 dots per inch) amounts to 20.2 x 15.1 inch or 51.2 x 38.4 cm, for very good quality (250 dpi) 16.1 x 12.1 inch or 41 x 30.7 cm, and for excellent quality (300 dpi) 13.4 x 10.1 inch or 34.1 x 25.6 cm. The corresponding values for the Nikon D40 are 15 x 10 inch or 38.2 x 25.4 cm for good quality, 12 x 8 inch or 30.6 x 20.3 cm for very good quality, and 10 x 6.7 inch 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-PM1 are ISO 100 to ISO 12800 (no boost).

D40 versus E-PM1 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 review, the D40 has a notably higher overall DXO score than the E-PM1 (overall score 4 points higher), which gives it an advantage in terms of imaging quality. 0.7 EV in additional dynamic range, and 0.2 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 D40 APS-C 6.0 3008 2000none21.011.056156Nikon D40
 
Olympus E-PM1 Four Thirds 12.2 4032 30241080/60i21.010.349952Olympus E-PM1
 
Nikon D3400 APS-C 24.0 6000 40001080/60p24.813.9119286Nikon D3400
 
Nikon D3300 APS-C 24.0 6000 40001080/60p24.312.8138582Nikon D3300
 
Nikon D3200 APS-C 24.1 6016 40001080/30p24.113.2113181Nikon D3200
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967Nikon D3100
 
Nikon D3000 APS-C 10.0 3872 2592none22.311.156362Nikon D3000
 
Nikon D40X APS-C 10.0 3872 2592none22.411.451663Nikon D40X
 
Nikon D80 APS-C 10.0 3872 2592none22.111.252461Nikon D80
 
Nikon D50 APS-C 6.0 3008 2000none20.910.856055Nikon D50
 
Nikon D70s APS-C 6.0 3008 2000none20.410.352950Nikon D70s
 
Olympus E-PM2 Four Thirds 15.9 4608 34561080/30p22.712.293272Olympus E-PM2
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651Olympus E-P3
 
Olympus E-PL2 Four Thirds 12.2 4032 3024720/30p21.410.257355Olympus E-PL2
 
Olympus E-PL3 Four Thirds 12.2 4032 30241080/60i20.910.349952Olympus E-PL3
 
Olympus E-PL1 Four Thirds 12.2 4032 3024720/30p21.510.148754Olympus E-PL1
 
Panasonic L10 Four Thirds 10.0 3648 2736none21.310.842955Panasonic L10

Many modern cameras are not only capable of taking still images, but can also record movies. The E-PM1 indeed provides for movie recording, while the D40 does not. The highest resolution format that the E-PM1 can use is 1080/60i.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the D40 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the E-PM1 relies on live view and the rear LCD for framing. That said, the E-PM1 can be equipped with an optional viewfinder – the VF-2. The table below summarizes some of the other core capabilities of the Nikon D40 and Olympus E-PM1 in connection with corresponding information for a sample of similar 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 D40optical n 2.5 230 fixed n 1/4000s 2.5 Y n Nikon D40
 
Olympus E-PM1optional n 3.0 460 fixed n 1/4000s 5.5 n Y Olympus E-PM1
 
Nikon D3400optical n 3.0 921 fixed n 1/4000s 5.0 Y n Nikon D3400
 
Nikon D3300optical n 3.0 921 fixed n 1/4000s 5.0 Y n Nikon D3300
 
Nikon D3200optical n 3.0 921 fixed n 1/4000s 4.0 Y n Nikon D3200
 
Nikon D3100optical n 3.0 230 fixed n 1/4000s 3.0 Y n Nikon D3100
 
Nikon D3000optical n 3.0 230 fixed n 1/4000s 3.0 Y n Nikon D3000
 
Nikon D40Xoptical n 2.5 230 fixed n 1/4000s 3.0 Y n Nikon D40X
 
Nikon D80optical n 2.5 230 fixed n 1/4000s 3.0 Y n Nikon D80
 
Nikon D50optical n 2.0 130 fixed n 1/4000s 2.5 Y n Nikon D50
 
Nikon D70soptical n 2.0 130 fixed n 1/8000s 3.0 Y n Nikon D70s
 
Olympus E-PM2optional n 3.0 460 fixed Y 1/4000s 8.0 n Y Olympus E-PM2
 
Olympus E-P3optional n 3.0 614 fixed Y 1/4000s 3.0 Y Y Olympus E-P3
 
Olympus E-PL2optional n 3.0 460 fixed n 1/4000s 3.0 Y Y Olympus E-PL2
 
Olympus E-PL3optional n 3.0 460 tilting n 1/4000s 5.5 n Y Olympus E-PL3
 
Olympus E-PL1optional n 2.7 230 fixed n 1/2000s 3.0 Y Y Olympus E-PL1
 
Panasonic L10optical n 2.5 207 swivel n 1/4000s 3.0 Y n Panasonic L10

One difference between the cameras concerns the presence of an on-board flash. The D40 has one, while the E-PM1 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-PM1 uses SDXC cards.

 

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-PM1 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
Port
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Nikon D40Ynonenone--none2.0---Nikon D40
 
Olympus E-PM1Ystereomono--mini2.0---Olympus E-PM1
 
Nikon D3400Ymonomono--mini2.0--YNikon D3400
 
Nikon D3300YmonomonoY-mini2.0---Nikon D3300
 
Nikon D3200YmonomonoY-mini2.0---Nikon D3200
 
Nikon D3100Ymonomono--mini2.0---Nikon D3100
 
Nikon D3000Ynonenone--none2.0---Nikon D3000
 
Nikon D40XYnonenone--none2.0---Nikon D40X
 
Nikon D80Ynonenone--none2.0---Nikon D80
 
Nikon D50Ynonenone--none2.0---Nikon D50
 
Nikon D70sYnonenone--none2.0---Nikon D70s
 
Olympus E-PM2Ystereomono--mini2.0---Olympus E-PM2
 
Olympus E-P3Ystereonone--mini2.0---Olympus E-P3
 
Olympus E-PL2Ystereonone--mini2.0---Olympus E-PL2
 
Olympus E-PL3Ystereonone--mini2.0---Olympus E-PL3
 
Olympus E-PL1Ystereonone--mini2.0---Olympus E-PL1
 
Panasonic L10Ynonenone--none2.0---Panasonic L10

Both the D40 and the E-PM1 have been discontinued, but can regularly be found used on eBay. The D40 was replaced by the Nikon D40X, while the E-PM1 was followed by the Olympus E-PM2. 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 D40 better than the Olympus E-PM1 or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Reasons to prefer the Nikon D40:

  • Better image quality: Scores markedly higher (4 points) in the DXO overall assessment.
  • More dynamic range: Captures a larger spectrum of light and dark details (0.7 EV of extra DR).
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Longer lasting: Can take more shots (470 versus 330) 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).

ilogo

Advantages of the Olympus PEN E-PM1:

  • More detail: Has more megapixels (12.2 vs 6MP), which boosts linear resolution by 40%.
  • Broader imaging potential: Can capture not only stills but also 1080/60i 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).
  • Faster burst: Shoots at higher frequency (5.5 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 257g or 49 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.
  • More modern: Reflects 4 years and 7 months of technical progress since the D40 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the E-PM1 is the clear winner of the contest (10 : 6 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

D40 06:10 E-PM1

How about other alternatives? Do the specifications of the Nikon D40 and the Olympus E-PM1 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 says little about, for example, the shooting experience and imaging performance of the D40 and the E-PM1 in practical situations. 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 (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
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Nikon D4081/100+ +o5/54.5/5 Nov 2006 499iNikon D40
 
Olympus E-PM186/10071/1004.5/5..4.5/5 Jun 2011 499iOlympus E-PM1
 
Nikon D3400+76/1004/54.5/54.5/5 Aug 2016 499iNikon D3400
 
Nikon D3300+77/1004.5/54.5/54.5/5 Jan 2014 499iNikon D3300
 
Nikon D3200+ +73/1004.5/54.5/54.5/5 Apr 2012 599iNikon D3200
 
Nikon D3100+ +72/1004.5/55/54.5/5 Aug 2010 599iNikon D3100
 
Nikon D3000+72/1004/53.5/54.5/5 Jul 2009 599iNikon D3000
 
Nikon D40X79/100+ +4/5o4/5 Mar 2007 729iNikon D40X
 
Nikon D80++ +o4.5/54.5/5 Aug 2006 999iNikon D80
 
Nikon D5078/100+ +4/5o4.5/5 Apr 2005 749iNikon D50
 
Nikon D70s......o5/5 Apr 2005 899iNikon D70s
 
Olympus E-PM2..77/1005/54.5/54.5/5 Sep 2012 499iOlympus E-PM2
 
Olympus E-P383/10074/1004.5/54.5/54.5/5 Jun 2011 799iOlympus E-P3
 
Olympus E-PL283/10071/1004.5/54.5/54.5/5 Jan 2011 599iOlympus E-PL2
 
Olympus E-PL3+ +72/1004.5/5..4/5 Jun 2011 599iOlympus E-PL3
 
Olympus E-PL186/10069/1004/54.5/54.5/5 Feb 2010 599iOlympus E-PL1
 
Panasonic L1085/100+3.5/5o4/5 Aug 2007 599iPanasonic L10
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Nikon D40:
Check Ebay offers
Olympus E-PM1:
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 make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Nikon D40 vs Olympus E-PM1

    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-PM1
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date November 2006 June 2011
    Launch Price USD 499 USD 499
    Sensor Specs Nikon D40 Olympus E-PM1
    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 12.2 Megapixels
    Image Resolution 3008 x 2000 pixels 4032 x 3024 pixels
    Pixel Pitch 7.85 μm 4.29 μm
    Pixel Density 1.63 MP/cm2 5.42 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video 1080/60i Video
    ISO Setting 200-1600 ISO 100-12800 ISO
    ISO Boost 200-3200 ISO no Enhancement
    DXO Sensor Quality (score) 56 52
    DXO Color Depth (bits) 21.0 21.0
    DXO Dynamic Range (EV) 11.0 10.3
    DXO Low Light (ISO) 561 499
    Screen Specs Nikon D40 Olympus E-PM1
    Viewfinder Type Optical viewfinder Viewfinder optional
    Viewfinder Field of View 95%
    Viewfinder Magnification 0.53x
    LCD Framing Live View
    Rear LCD Size 2.5 inch 3.0 inch
    LCD Resolution 230k dots 460k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Nikon D40 Olympus E-PM1
    Focus System Phase-detect AF Contrast-detect AF
    Continuous Shooting 2.5 shutter flaps/s 5.5 shutter flaps/s
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDHC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support no no
    Connectivity Specs Nikon D40 Olympus E-PM1
    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-PM1
    Battery Type EN-EL9 BLS-5
    Battery Life (CIPA)470 shots per charge330 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) 265 g (9.3 oz)

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