Canon T3 vs Olympus E-PM2
The Canon EOS Rebel T3 (called Canon 1100D in some regions) and the Olympus PEN E-PM2 are two digital cameras that were officially introduced, respectively, in February 2011 and September 2012. The T3 is a DSLR, while the E-PM2 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (T3) and a Four Thirds (E-PM2) sensor. The Canon 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.
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS Rebel T3 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.
The physical size and weight of the Canon T3 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 consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.
The E-PM2 can be obtained in four different colors (black, silver, red, white), while the T3 is only available in black.
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 (46 percent) than the Canon T3. Moreover, the E-PM2 is substantially lighter (46 percent) than the T3. In this context, it is worth noting that neither the T3 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 Canon EF Lens Catalog (T3) 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.
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.
|1.||Canon T3||130 mm||100 mm||78 mm||495 g||700||n||Feb 2011||449|
|2.||Olympus E-PM2||110 mm||64 mm||34 mm||269 g||360||n||Sep 2012||499|
|3.||Canon T100||129 mm||102 mm||77 mm||436 g||500||n||Feb 2018||399|
|4.||Canon T5||130 mm||100 mm||78 mm||480 g||500||n||Feb 2014||449|
|5.||Canon G1 X||117 mm||81 mm||65 mm||534 g||250||n||Jan 2012||799|
|6.||Canon SX50||123 mm||87 mm||106 mm||595 g||315||n||Sep 2012||429|
|7.||Canon T4i||133 mm||100 mm||79 mm||575 g||440||n||Jun 2012||849|
|8.||Canon T3i||133 mm||100 mm||80 mm||570 g||440||n||Feb 2011||599|
|9.||Canon T2i||129 mm||98 mm||62 mm||530 g||440||n||Feb 2010||699|
|10.||Canon XS||126 mm||98 mm||65 mm||502 g||500||n||Jun 2008||449|
|11.||Canon XSi||129 mm||98 mm||62 mm||524 g||500||n||Jan 2008||799|
|12.||Canon XTi||127 mm||84 mm||65 mm||556 g||370||n||Aug 2006||799|
|13.||Olympus E-M10 II||120 mm||83 mm||47 mm||390 g||320||n||Aug 2015||649|
|14.||Olympus E-P5||122 mm||69 mm||37 mm||420 g||330||n||May 2013||999|
|15.||Olympus E-PL6||111 mm||64 mm||38 mm||325 g||360||n||May 2013||599|
|16.||Olympus E-PL5||111 mm||64 mm||38 mm||325 g||360||n||Sep 2012||599|
|17.||Olympus E-PM1||110 mm||64 mm||34 mm||265 g||330||n||Jun 2011||499|
|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 T3 was somewhat cheaper (by 10 percent) than the E-PM2 at launch, but both cameras fall into the same price category. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.
The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Canon T3 features an APS-C sensor and the Olympus E-PM2 a Four Thirds sensor. The sensor area in the E-PM2 is 30 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 2.0. The sensor in the T3 has a native 3:2 aspect ratio, while the one in the E-PM2 offers a 4:3 aspect.
Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.
Despite having a smaller sensor, the E-PM2 offers a higher resolution of 15.9 megapixels, compared with 12.2 MP of the T3. 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 5.15μm for the T3). However, it should be noted that the E-PM2 is a somewhat more recent model (by 1 year and 7 months) than the T3, and its sensor might have benefitted from technological advances during this time that partly offset its pixel-size disadvantage.
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 Canon T3 are 21.4 x 14.2 inches or 54.3 x 36.2 cm for good quality, 17.1 x 11.4 inches or 43.4 x 28.9 cm for very good quality, and 14.2 x 9.5 inches or 36.2 x 24.1 cm for excellent quality prints.
The Canon EOS Rebel T3 has a native sensitivity range from ISO 100 to ISO 6400. The corresponding ISO settings for the Olympus PEN E-PM2 are ISO 100 to ISO 25600 (no boost).
For many cameras, data on sensor performance has been reported by DXO Mark. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under consideration, the E-PM2 has a markedly higher DXO score than the T3 (overall score 10 points higher), which will translate into better image quality. The advantage is based on 0.8 bits higher color depth, 1.2 EV in additional dynamic range, and 0.3 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.
| DXO |
|2.||Olympus E-PM2||Four Thirds||15.9||4608||3456||1080/30p||22.7||12.2||932||72|
|5.||Canon G1 X||1.5-inch||14.2||4352||3264||1080/24p||21.7||10.8||644||60|
|13.||Olympus E-M10 II||Four Thirds||15.9||4608||3456||1080/60p||23.1||12.5||842||73|
|14.||Olympus E-P5||Four Thirds||15.9||4608||3456||1080/30p||22.8||12.4||895||72|
|15.||Olympus E-PL6||Four Thirds||15.9||4608||3456||1080/30p||..||..||..||..|
|16.||Olympus E-PL5||Four Thirds||15.9||4608||3456||1080/30p||22.8||12.3||889||72|
|17.||Olympus E-PM1||Four Thirds||12.2||4032||3024||1080/60i||21.0||10.3||499||52|
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-PM2 provides a better video resolution than the T3. It can shoot movie footage at 1080/30p, while the Canon is limited to 720/30p.
Beyond body and sensor, cameras can and do differ across a range of features. For example, the T3 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 Canon T3, the Olympus E-PM2, and comparable cameras.
|5.||Canon G1 X||optical||n||3.0||922||Swivel||n||1/4000s||1.9||Y||Y|
|13.||Olympus E-M10 II||2360||n||3.0||1040||tilting||Y||1/4000s||8.0||Y||Y|
One difference between the cameras concerns the presence of an on-board flash. The T3 has one, while the E-PM2 does not. While the built-in flash of the T3 is not very powerful, it can at times be useful as a fill-in light.
Concerning the storage of imaging data, both the T3 and the E-PM2 write their files to SDXC cards. The E-PM2 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the T3 cannot take advantage of Ultra High Speed SD cards.
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 Canon EOS Rebel T3 and Olympus PEN E-PM2 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
| WiFi |
| NFC |
|5.||Canon G1 X||Y||stereo||mono||-||-||mini||2.0||-||-||-|
|13.||Olympus E-M10 II||Y||stereo||mono||-||-||micro||2.0||Y||-||-|
Both the T3 and the E-PM2 have been discontinued, but can regularly be found used on eBay. The T3 was replaced by the Canon T5, while the E-PM2 does not have a direct successor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Olympus websites.
So what is the bottom line? Is there a clear favorite between the Canon T3 and the Olympus E-PM2? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.
Reasons to prefer the Canon EOS Rebel T3:
- Easier framing: Has an optical viewfinder for image composition and settings control.
- Longer lasting: Can take more shots (700 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 on the market for longer (launched in February 2011).
Arguments in favor of the Olympus PEN E-PM2:
- More detail: Has more megapixels (15.9 vs 12.2MP), which boosts linear resolution by 12%.
- Better image quality: Scores markedly higher (10 points) in the DXO overall evaluation.
- More dynamic range: Captures a broader range of light and dark details (1.2 EV of extra DR).
- Better video: Provides higher definition movie capture (1080/30p vs 720/30p).
- Larger screen: Has a bigger rear LCD (3.0" vs 2.7") for image review and settings control.
- More detailed LCD: Has a higher resolution rear screen (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 3 flaps/sec) to capture the decisive moment.
- More compact: Is smaller (110x64mm vs 130x100mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 226g or 46 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: Was introduced somewhat (1 year and 7 months) more recently.
If the count of relative strengths (bullet points above) is taken as a measure, the E-PM2 is the clear winner of the contest (14 : 4 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.
How about other alternatives? Do the specifications of the Canon T3 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 comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the T3 or the E-PM2. 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.
This is where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular 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.
|1.||Canon T3||..||80/100||69/100||4/5||4.5/5||Feb 2011||449|
|2.||Olympus E-PM2||3/5||..||77/100||5/5||4.5/5||Sep 2012||499|
|3.||Canon T100||..||o||..||3.5/5||3.5/5||Feb 2018||399|
|4.||Canon T5||3/5||+||..||4/5||4.5/5||Feb 2014||449|
|5.||Canon G1 X||5/5||+||76/100||4/5||4.5/5||Jan 2012||799|
|6.||Canon SX50||3/5||+ +||72/100||4.5/5||4.5/5||Sep 2012||429|
|7.||Canon T4i||4/5||+ +||77/100||4.5/5||4.5/5||Jun 2012||849|
|8.||Canon T3i||3/5||o||77/100||4.5/5||4.5/5||Feb 2011||599|
|9.||Canon T2i||..||+ +||77/100||4/5||4.5/5||Feb 2010||699|
|10.||Canon XS||..||82/100||+ +||3.5/5||4.5/5||Jun 2008||449|
|11.||Canon XSi||..||+ +||+ +||4/5||4.5/5||Jan 2008||799|
|12.||Canon XTi||..||+ +||+ +||o||4/5||Aug 2006||799|
|13.||Olympus E-M10 II||4.5/5||+ +||80/100||5/5||5/5||Aug 2015||649|
|14.||Olympus E-P5||5/5||+ +||78/100||4.5/5||5/5||May 2013||999|
|15.||Olympus E-PL6||..||..||..||..||..||May 2013||599|
|16.||Olympus E-PL5||3/5||+ +||..||4.5/5||4.5/5||Sep 2012||599|
|17.||Olympus E-PM1||..||86/100||71/100||4.5/5||4.5/5||Jun 2011||499|
|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. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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.
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.
Specifications: Canon T3 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 Model||Canon T3||Olympus E-PM2|
|Camera Type||Digital single lens reflex||Mirrorless system camera|
|Camera Lens||Canon EF mount lenses||Micro Four Thirds lenses|
|Launch Date||February 2011||September 2012|
|Launch Price||USD 449||USD 499|
|Sensor Specs||Canon T3||Olympus E-PM2|
|Sensor Format||APS-C Sensor||Four Thirds Sensor|
|Sensor Size||22.0 x 14.7 mm||17.3 x 13.0 mm|
|Sensor Area||323.4 mm2||224.9 mm2|
|Sensor Diagonal||26.5 mm||21.6 mm|
|Sensor Resolution||12.2 Megapixels||15.9 Megapixels|
|Image Resolution||4272 x 2848 pixels||4608 x 3456 pixels|
|Pixel Pitch||5.15 μm||3.76 μm|
|Pixel Density||3.76 MP/cm2||7.08 MP/cm2|
|Moiré control||Anti-Alias filter||Anti-Alias filter|
|Movie Capability||720/30p Video||1080/30p Video|
|ISO Setting||100 - 6,400 ISO||100 - 25,600 ISO|
|Image Processor||DIGIC 4||TruePic VI|
|DXO Sensor Quality (score)||62||72|
|DXO Color Depth (bits)||21.9||22.7|
|DXO Dynamic Range (EV)||11.0||12.2|
|DXO Low Light (ISO)||755||932|
|Screen Specs||Canon T3||Olympus E-PM2|
|Viewfinder Type||Optical viewfinder||Viewfinder optional|
|Viewfinder Field of View||95%|
|LCD Framing||Live View||Live View|
|Rear LCD Size||2.7inch||3.0inch|
|LCD Resolution||230k dots||460k dots|
|LCD Attachment||Fixed screen||Fixed screen|
|Touch Input||no Touchscreen||Touchscreen|
|Shooting Specs||Canon T3||Olympus E-PM2|
|Focus System||Phase-detect AF||Contrast-detect AF|
|Continuous Shooting||3 shutter flaps/s||8 shutter flaps/s|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||Build-in Flash||no On-Board Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Second Storage Option||Single card slot||Single card slot|
|UHS card support||no||UHS-I|
|Connectivity Specs||Canon T3||Olympus E-PM2|
|USB Connector||USB 2.0||USB 2.0|
|HDMI Port||mini HDMI||mini HDMI|
|Wifi Support||no Wifi||no Wifi|
|Body Specs||Canon T3||Olympus E-PM2|
|Battery Life (CIPA)||700 shots per charge||360 shots per charge|
130 x 100 x 78 mm
(5.1 x 3.9 x 3.1 in)
110 x 64 x 34 mm
(4.3 x 2.5 x 1.3 in)
|Camera Weight||495 g (17.5 oz)||269 g (9.5 oz)|
Did you notice an error on this page? If so, please get in touch, so that we can correct the information.