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Canon T7i vs Olympus E-1

The Canon EOS Rebel T7i (called Canon 800D in some regions) and the Olympus E-1 are two digital cameras that were announced, respectively, in February 2017 and June 2003. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (T7i) and a Four Thirds (E-1) sensor. The Canon has a resolution of 24 megapixels, whereas the Olympus provides 4.9 MP.

As their names suggest, both the Canon EOS Rebel T7i and the Olympus E-1 belong to Canon's Rebel line of DSLR cameras. This range of APS-C cameras, which started out with the Canon EOS Digital Rebel in 2003, has been a big commercial success and the backbone of Canon's dominance in the digital camera market. The popularity of the Rebel cameras is the result of them inheriting much of the sensor and shooting technology from earlier released professional DSLRs, while being sold at a much more budget-friendly price point. The strong brand reputation of Canon and the comprehensive EOS system of compatible lenses and accessories further contributes to the appeal of the Rebel cams, including the Canon T7i and Olympus E-1. Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Canon T7i   Olympus E-1
Canon T7i Olympus E-1
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Four Thirds lenses
24 MP, APS-C Sensor 4.9 MP, Four Thirds Sensor
1080/60p Video no Video
ISO 100-25600 (100-51200) ISO 100-800 (100-3200)
Optical viewfinder Optical viewfinder
3.0" LCD, 1040k dots 1.8" LCD, 134k dots
Swivel touchscreen Fixed screen (not touch-sensitive)
6 shutter flaps per second 3 shutter flaps per second
Not weather sealedWeathersealed body
600 shots per battery charge750 shots per battery charge
131 x 100 x 76 mm, 532 g 141 x 104 x 81 mm, 738 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS Rebel T7i and the Olympus E-1? 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: Canon T7i vs Olympus E-1

The physical size and weight of the Canon T7i and the Olympus E-1 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 measures are rounded to the nearest millimeter.

Size Canon T7i vs Olympus E-1
Compare T7i versus E-1 top
Comparison T7i or E-1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-1 is notably larger (12 percent) than the Canon T7i. Moreover, the E-1 is substantially heavier (39 percent) than the T7i. It is noteworthy in this context that the E-1 is splash and dust-proof, while the T7i 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 Canon EF Lens Catalog (T7i) and the Four Thirds Lens Catalog (E-1).

Concerning battery life, the T7i gets 600 shots out of its LP-E17 battery, while the E-1 can take 750 images on a single charge of its BLM-1 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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)
Used
Price
(USD)
Camera
Model
 
Canon T7i» 5.2 in 3.9 in 3.0 in 18.8 oz 600 n Feb 2017 749 i i Canon T7i
 
Olympus E-1« 5.6 in 4.1 in 3.2 in 26.0 oz 750 Y Jun 2003 1,699- i Olympus E-1
 
Canon T7« » 5.1 in 4.0 in 3.1 in 16.8 oz 500 n Feb 2018 449 i i Canon T7
 
Canon 77D« » 5.2 in 3.9 in 3.0 in 19.0 oz 600 n Feb 2017 899 i i Canon 77D
 
Canon SL2« » 4.8 in 3.7 in 2.8 in 16.0 oz 650 n Jun 2017 549- i Canon SL2
 
Canon T6i« » 5.2 in 4.0 in 3.1 in 19.6 oz 440 n Feb 2015 749- i Canon T6i
 
Canon T6s« » 5.2 in 4.0 in 3.1 in 19.9 oz 440 n Feb 2015 649- i Canon T6s
 
Canon T5i« » 5.2 in 3.9 in 3.1 in 20.5 oz 440 n Mar 2013 649- i Canon T5i
 
Canon T4i« » 5.2 in 3.9 in 3.1 in 20.3 oz 440 n Jun 2012 849- i Canon T4i
 
Canon T2i« » 5.1 in 3.9 in 2.4 in 18.7 oz 440 n Feb 2010 699- i Canon T2i
 
Canon T1i« » 5.1 in 3.9 in 2.4 in 18.3 oz 400 n Mar 2009 799- i Canon T1i
 
Canon XSi« » 5.1 in 3.9 in 2.4 in 18.5 oz 500 n Jan 2008 799- i Canon XSi
 
Leica Digilux 3« » 5.7 in 3.4 in 3.0 in 21.4 oz 750 n Sep 2006 1,499- i Leica Digilux 3
 
Olympus E-5« » 5.6 in 4.6 in 3.0 in 30.8 oz 750 Y Sep 2010 1,699- i Olympus E-5
 
Olympus E-3« » 5.6 in 4.6 in 3.0 in 30.9 oz 750 Y Oct 2007 1,699- i Olympus E-3
 
Olympus E-330« » 5.5 in 3.4 in 2.8 in 22.5 oz 750 n Jan 2006 999- i Olympus E-330
 
Olympus E-300« » 5.8 in 3.3 in 2.5 in 22.0 oz 750 n Sep 2004 799- i Olympus E-300
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 retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The T7i was launched at a markedly lower price (by 56 percent) than the E-1, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison: Canon T7i vs Olympus E-1

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 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. 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon T7i features an APS-C sensor and the Olympus E-1 a Four Thirds sensor. The sensor area in the E-1 is 32 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 T7i has a native 3:2 aspect ratio, while the one in the E-1 offers a 4:3 aspect.

Canon T7i and Olympus E-1 sensor measures

With 24MP, the T7i offers a higher resolution than the E-1 (4.9MP), but the T7i has smaller individual pixels (pixel pitch of 3.72μm versus 6.78μm for the E-1). However, the T7i is a much more recent model (by 13 years and 7 months) than the E-1, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels.

The resolution advantage of the Canon T7i implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the T7i for good quality output (200 dots per inch) amounts to 30 x 20 inch or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inch or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inch or 50.8 x 33.9 cm. The corresponding values for the Olympus E-1 are 12.8 x 9.6 inch or 32.5 x 24.4 cm for good quality, 10.2 x 7.7 inch or 26 x 19.5 cm for very good quality, and 8.5 x 6.4 inch or 21.7 x 16.3 cm for excellent quality prints.

The T7i has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS Rebel T7i has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 100-51200. The corresponding ISO settings for the Olympus E-1 are ISO 100 to ISO 800, with the possibility to increase the ISO range to 100-3200.

T7i versus E-1 MP

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. 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
 
Canon T7i» APS-C 24.0 6000 40001080/60p----Canon T7i
 
Olympus E-1« Four Thirds 4.9 2560 1920-----Olympus E-1
 
Canon T7« » APS-C 24.0 6000 40001080/30p----Canon T7
 
Canon 77D« » APS-C 24.0 6000 40001080/60p23.613.397178Canon 77D
 
Canon SL2« » APS-C 24.0 6000 40001080/60p23.613.4104179Canon SL2
 
Canon T6i« » APS-C 24.0 6000 40001080/60p22.712.091971Canon T6i
 
Canon T6s« » APS-C 24.0 6000 40001080/30p22.612.091570Canon T6s
 
Canon T5i« » APS-C 17.9 5184 34561080/30p21.711.268161Canon T5i
 
Canon T4i« » APS-C 17.9 5184 34561080/30p21.711.272262Canon T4i
 
Canon T2i« » APS-C 17.9 5184 34561080/30p22.111.578466Canon T2i
 
Canon T1i« » APS-C 15.1 4752 31681080/20p21.711.566363Canon T1i
 
Canon XSi« » APS-C 12.2 4272 2848-21.910.869261Canon XSi
 
Leica Digilux 3« » Four Thirds 7.4 3136 2352-----Leica Digilux 3
 
Olympus E-5« » Four Thirds 12.2 4032 3024720/30p21.610.551956Olympus E-5
 
Olympus E-3« » Four Thirds 10.0 3648 2736-21.610.557156Olympus E-3
 
Olympus E-330« » Four Thirds 7.4 3136 2352-----Olympus E-330
 
Olympus E-300« » Four Thirds 8.0 3264 2448-----Olympus E-300

Many modern cameras are not only capable of taking still images, but can also record movies. The T7i indeed provides movie recording capabilities, while the E-1 does not. The highest resolution format that the T7i can use is 1080/60p.

 

Feature comparison: Canon T7i vs Olympus E-1

Beyond body and sensor, cameras can and do differ across a range of features. The T7i and the E-1 are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinder in the E-1 offers a wider field of view (100%) than the one in the T7i (95%), so that a larger proportion of the captured image is visible in the finder. On the other hand, the viewfinder of the T7i has a higher magnification (0.51x vs 0.48x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Canon T7i, the Olympus E-1, and comparable 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
 
Canon T7i»optical n 3.0 1040 swivel Y 1/4000s 6.0 Y n Canon T7i
 
Olympus E-1«optical Y 1.8 134 fixed n 1/4000s 3.0 n n Olympus E-1
 
Canon T7« »optical n 3.0 920 fixed n 1/4000s 3.0 Y n Canon T7
 
Canon 77D« »optical Y 3.0 1040 swivel Y 1/4000s 6.0 Y n Canon 77D
 
Canon SL2« »optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon SL2
 
Canon T6i« »optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T6i
 
Canon T6s« »optical Y 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T6s
 
Canon T5i« »optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T5i
 
Canon T4i« »optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T4i
 
Canon T2i« »optical n 3.0 1040 fixed n 1/4000s 3.7 Y n Canon T2i
 
Canon T1i« »optical n 3.0 920 fixed n 1/4000s 3.4 Y n Canon T1i
 
Canon XSi« »optical n 3.0 230 fixed n 1/4000s 3.5 Y n Canon XSi
 
Leica Digilux 3« »optical n 2.5 207 fixed n 1/4000s 3.0 Y n Leica Digilux 3
 
Olympus E-5« »optical Y 3.0 920 swivel n 1/8000s 5.0 Y Y Olympus E-5
 
Olympus E-3« »optical Y 2.5 230 swivel n 1/8000s 5.0 Y Y Olympus E-3
 
Olympus E-330« »optical n 2.5 215 tilting n 1/4000s 3.0 Y n Olympus E-330
 
Olympus E-300« »optical n 1.8 134 fixed n 1/4000s 2.5 Y n Olympus E-300

One difference between the cameras concerns the presence of an on-board flash. The T7i has one, while the E-1 does not. While the built-in flash of the T7i is not very powerful, it can at times be useful as a fill-in light.

The T7i has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the E-1 does not have a selfie-screen.

The T7i writes its imaging data to SDXC cards, while the E-1 uses Compact Flash or xD Picture cards. The E-1 features dual card slots, which can be very useful in case a memory card fails. In contrast, the T7i only has one slot.

 

Connectivity comparison: Canon T7i vs Olympus E-1

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 T7i and Olympus E-1 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
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Canon T7i»YstereomonoY-mini2.0YYYCanon T7i
 
Olympus E-1«Y-----2.0---Olympus E-1
 
Canon T7« »Ymonomono--mini2.0YY-Canon T7
 
Canon 77D« »YstereomonoY-mini2.0YYYCanon 77D
 
Canon SL2« »YstereomonoY-mini2.0YYYCanon SL2
 
Canon T6i« »YstereomonoY-mini2.0YY-Canon T6i
 
Canon T6s« »YstereomonoY-mini2.0YY-Canon T6s
 
Canon T5i« »YstereomonoY-mini2.0---Canon T5i
 
Canon T4i« »YstereomonoY-mini2.0---Canon T4i
 
Canon T2i« »Ystereo-Y-mini2.0---Canon T2i
 
Canon T1i« »Ymonomono--mini2.0---Canon T1i
 
Canon XSi« »Y----mini2.0---Canon XSi
 
Leica Digilux 3« »Ystereomono---2.0---Leica Digilux 3
 
Olympus E-5« »Ystereo---mini2.0---Olympus E-5
 
Olympus E-3« »Y-----2.0---Olympus E-3
 
Olympus E-330« »Y-----2.0---Olympus E-330
 
Olympus E-300« »Y-----2.0---Olympus E-300

It is notable that the T7i offers wifi support, while the E-1 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Olympus E-1 (unlike the T7i) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The T7i is a recent model that features in the current product line-up of Canon. In contrast, the E-1 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the E-1 was succeeded by the Olympus E-3. 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.


Review summary: Canon T7i vs Olympus E-1

So what is the bottom line? Is there a clear favorite between the Canon T7i and the Olympus E-1? Which camera is better? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Canon EOS Rebel T7i:

  • More detail: Offers more megapixels (24 vs 4.9MP) with a 125% higher linear resolution.
  • Better image quality: Features a larger and more technologically advanced imaging sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Broader imaging potential: Can record not only still images but also 1080/60p movies.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.51x vs 0.48x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 1.8") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 134k dots).
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (6 vs 3 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (131x100mm vs 141x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 206g or 28 percent) and hence easier to carry around.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced into a lower priced category (56 percent cheaper at launch).
  • More modern: Reflects 13 years and 7 months of technical progress since the E-1 launch.

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Reasons to prefer the Olympus E-1:

  • More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Longer lasting: Gets more shots (750 versus 600) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • 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 around for much longer (launched in June 2003).

If the count of relative strengths (bullet points above) is taken as a measure, the T7i is the clear winner of the match-up (22 : 7 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 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.

T7i 22:07 E-1

How about other alternatives? Do the specifications of the Canon T7i and the Olympus E-1 place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing 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 partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the T7i or the E-1. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews: Canon T7i vs Olympus E-1

This is where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Canon T7i»-80/1004.5/54/54/5 Feb 2017 749 i i Canon T7i
 
Olympus E-1«-+oo- Jun 2003 1,699- i Olympus E-1
 
Canon T7« »o-3.5/5-3.5/5 Feb 2018 449 i i Canon T7
 
Canon 77D« »-82/1004.5/54.5/54/5 Feb 2017 899 i i Canon 77D
 
Canon SL2« »+ +78/1004.5/54.5/54.5/5 Jun 2017 549- i Canon SL2
 
Canon T6i« »-75/1004.5/54.5/54.5/5 Feb 2015 749- i Canon T6i
 
Canon T6s« »+77/1004.5/54.5/54.5/5 Feb 2015 649- i Canon T6s
 
Canon T5i« »-76/1004.5/54.5/54.5/5 Mar 2013 649- i Canon T5i
 
Canon T4i« »+ +77/1004.5/54.5/54.5/5 Jun 2012 849- i Canon T4i
 
Canon T2i« »+ +77/1004/55/54.5/5 Feb 2010 699- i Canon T2i
 
Canon T1i« »+ +74/1004.5/55/54.5/5 Mar 2009 799- i Canon T1i
 
Canon XSi« »+ ++ +4/55/54.5/5 Jan 2008 799- i Canon XSi
 
Leica Digilux 3« »----- Sep 2006 1,499- i Leica Digilux 3
 
Olympus E-5« »-75/1004/5-4.5/5 Sep 2010 1,699- i Olympus E-5
 
Olympus E-3« »88/100+ +oo4/5 Oct 2007 1,699- i Olympus E-3
 
Olympus E-330« »-+o3.5/5- Jan 2006 999- i Olympus E-330
 
Olympus E-300« »-+oo4.5/5 Sep 2004 799- i Olympus E-300
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. Thus, a score needs to be put into the context of the launch date and the launch price 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.

Canon T7i:
Check Amazon price
Olympus E-1:
Check Ebay offers

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 a corresponding selection in the search boxes 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: Canon T7i vs Olympus E-1

    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 Canon T7i Olympus E-1
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Four Thirds lenses
    Launch Date February 2017 June 2003
    Launch Price USD 749 USD 1699
    Sensor Specs Canon T7i Olympus E-1
    Sensor Technology CMOS CCD
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 22.3 x 14.9 mm 17.3 x 13.0 mm
    Sensor Area 332.27 mm2 224.9 mm2
    Sensor Diagonal 26.8 mm 21.6 mm
    Crop Factor 1.6x 2.0x
    Sensor Resolution 24 Megapixels 4.9 Megapixels
    Image Resolution 6000 x 4000 pixels 2560 x 1920 pixels
    Pixel Pitch 3.72 μm 6.78 μm
    Pixel Density 7.22 MP/cm2 2.19 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video no Video
    ISO Setting 100-25600 ISO 100-800 ISO
    ISO Boost 100-51200 ISO 100-3200 ISO
    Image Processor DIGIC 7 TruePic
    Screen Specs Canon T7i Olympus E-1
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.51x 0.48x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View
    Rear LCD Size 3.0 inch 1.8 inch
    LCD Resolution 1040k dots 134k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon T7i Olympus E-1
    Autofocus System Phase-detect AF Phase-detect AF
    Continuous Shooting 6 shutter flaps/s 3 shutter flaps/s
    Shutter Life Expectancy100 000 actuations150 000 actuations
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards CF or XD cards
    Second Storage Option Single card slot Dual card slots
    Connectivity Specs Canon T7i Olympus E-1
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Canon T7i Olympus E-1
    Environmental SealingNot weather sealedWeathersealed body
    Battery Type LP-E17 power pack BLM-1 power pack
    Battery Life (CIPA)600 shots per charge750 shots per charge
    Body Dimensions 131 x 100 x 76 mm
    (5.2 x 3.9 x 3.0 in)
    141 x 104 x 81 mm
    (5.6 x 4.1 x 3.2 in)
    Camera Weight 532 g (18.8 oz) 738 g (26.0 oz)

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