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Canon XT vs Olympus E-M5 III

The Canon EOS Rebel XT (called Canon 350D in some regions) and the Olympus OM-D E-M5 Mark III are two digital cameras that were revealed to the public, respectively, in February 2005 and October 2019. The XT is a DSLR, while the E-M5 III is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (XT) and a Four Thirds (E-M5 III) sensor. The Canon has a resolution of 8 megapixels, whereas the Olympus provides 20.2 MP.

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

Headline Specifications
Canon XT
versus
Olympus E-M5 III
Canon XT   Olympus E-M5 III
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Micro Four Thirds lenses
8 MP – APS-C sensor 20.2 MP – Four Thirds sensor
no Video 4K/30p Video
ISO 100-1,600 ISO 200-25,600
Optical viewfinder Electronic viewfinder (2360k dots)
1.8" LCD – 115k dots 3.0" LCD – 1040k dots
Fixed screen (not touch-sensitive) Swivel touchscreen
3 shutter flaps per second 10 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
400 shots per battery charge310 shots per battery charge
127 x 94 x 64 mm, 540 g 125 x 85 x 50 mm, 414 g
logo
Check XT offers at
ebay.com
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Check E-M5 III offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS Rebel XT and the Olympus OM-D E-M5 Mark III? 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 side-by-side display below illustrates the physical size and weight of the Canon XT and the Olympus E-M5 III. 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.

Both cameras are available in two different colors (black, silver).

Size Canon XT vs Olympus E-M5 III
Compare XT versus E-M5 III top
Comparison XT or E-M5 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-M5 III is notably smaller (11 percent) than the Canon XT. Moreover, the E-M5 III is markedly lighter (23 percent) than the XT. It is noteworthy in this context that the E-M5 III is splash and dust-proof, while the XT 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 (XT) and the Micro Four Thirds Lens Catalog (E-M5 III). Mirrorless cameras, such as the E-M5 III, 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 XT gets 400 shots out of its Canon NB-2LH battery, while the E-M5 III can take 310 images on a single charge of its Olympus BLS-50 power pack. The power pack in the E-M5 III can be charged via the USB port, which can be very convenient when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon XT 127 mm 94 mm 64 mm 540 g 400 n Feb 2005 US$ 899ebay.com
2.
 
Olympus E-M5 III 125 mm 85 mm 50 mm 414 g 310 Y Oct 2019 US$ 1 199ebay.com
3.
 
Canon 20D 144 mm 106 mm 72 mm 770 g 700 n Aug 2004 US$ 1 499ebay.com
4.
 
Canon 30D 144 mm 106 mm 74 mm 785 g 750 n Feb 2006 US$ 1 399ebay.com
5.
 
Canon 77D 131 mm 100 mm 76 mm 540 g 600 n Feb 2017 US$ 899ebay.com
6.
 
Canon Rebel 142 mm 99 mm 72 mm 649 g 400 n Aug 2003 US$ 899ebay.com
7.
 
Canon T1i 129 mm 98 mm 62 mm 520 g 400 n Mar 2009 US$ 799ebay.com
8.
 
Canon T4i 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 US$ 849ebay.com
9.
 
Canon T6i 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 US$ 749ebay.com
10.
 
Canon T6s 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 US$ 649ebay.com
11.
 
Canon XSi 129 mm 98 mm 62 mm 524 g 500 n Jan 2008 US$ 799ebay.com
12.
 
Canon XTi 127 mm 84 mm 65 mm 556 g 370 n Aug 2006 US$ 799ebay.com
13.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 US$ 1 399ebay.com
14.
 
Olympus E-M5 122 mm 89 mm 43 mm 425 g 360 Y Feb 2012 US$ 1 299ebay.com
15.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 US$ 1 099ebay.com
16.
 
Olympus PEN-F 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 US$ 1 199ebay.com
17.
 
Panasonic GX8 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 US$ 1 199ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. 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 XT was launched at a somewhat lower price (by 25 percent) than the E-M5 III, which makes it more attractive for photographers on a tight budget. 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.

Sensor comparison

The size of the imaging sensor is a crucial determinant 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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its 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 Canon XT features an APS-C sensor and the Olympus E-M5 III a Four Thirds sensor. The sensor area in the E-M5 III 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 XT has a native 3:2 aspect ratio, while the one in the E-M5 III offers a 4:3 aspect.

Canon XT and Olympus E-M5 III sensor measures

Despite having a smaller sensor, the E-M5 III offers a higher resolution of 20.2 megapixels, compared with 8 MP of the XT. 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 3.34μm versus 6.41μm for the XT). However, it should be noted that the E-M5 III is much more recent (by 14 years and 8 months) than the XT, 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-M5 III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Olympus E-M5 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-M5 III for good quality output (200 dots per inch) amounts to 25.9 x 19.4 inches or 65.8 x 49.4 cm, for very good quality (250 dpi) 20.7 x 15.6 inches or 52.7 x 39.5 cm, and for excellent quality (300 dpi) 17.3 x 13 inches or 43.9 x 32.9 cm. The corresponding values for the Canon XT are 17.3 x 11.5 inches or 43.9 x 29.3 cm for good quality, 13.8 x 9.2 inches or 35.1 x 23.4 cm for very good quality, and 11.5 x 7.7 inches or 29.3 x 19.5 cm for excellent quality prints.

The E-M5 III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the XT, the E-M5 III has the capacity to capture high quality composite images (80MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Canon EOS Rebel XT has a native sensitivity range from ISO 100 to ISO 1600. The corresponding ISO settings for the Olympus OM-D E-M5 Mark III are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 64-25600.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

XT versus E-M5 III MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon XT APS-C 8.0 3456 2304none21.810.863760
2.
 
Olympus E-M5 III Four Thirds 20.2 5184 38884K/30p23.313.1132476
3.
 
Canon 20D APS-C 8.2 3504 2336none21.911.072162
4.
 
Canon 30D APS-C 8.2 3504 2336none21.510.873659
5.
 
Canon 77D APS-C 24.0 6000 40001080/60p23.613.397178
6.
 
Canon Rebel APS-C 6.3 3072 2048none21.010.854455
7.
 
Canon T1i APS-C 15.1 4752 31681080/20p21.711.566363
8.
 
Canon T4i APS-C 17.9 5184 34561080/30p21.711.272262
9.
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.091971
10.
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.091570
11.
 
Canon XSi APS-C 12.2 4272 2848none21.910.869261
12.
 
Canon XTi APS-C 10.1 3888 2592none22.111.066462
13.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
14.
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671
15.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
16.
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
17.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. The E-M5 III indeed provides for movie recording, while the XT does not. The highest resolution format that the E-M5 III can use is 4K/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 E-M5 III has an electronic viewfinder (2360k dots), while the XT 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 viewfinder in the E-M5 III offers a wider field of view (100%) than the one in the XT (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the E-M5 III has a higher magnification (0.68x vs 0.49x), 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 Canon XT and Olympus E-M5 III along with similar information for a selection of comparators.

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Core Features
  empty 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.
 
Canon XToptical n1.8 / 115 fixed n 1/4000s 3.0/s Y n
2.
 
Olympus E-M5 III2360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
3.
 
Canon 20Doptical Y1.8 / 118 fixed n 1/8000s 5.0/s Y n
4.
 
Canon 30Doptical Y2.5 / 230 fixed n 1/8000s 5.0/s Y n
5.
 
Canon 77Doptical Y3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
6.
 
Canon Rebeloptical n1.8 / 118 fixed n 1/4000s 2.5/s Y n
7.
 
Canon T1ioptical n3.0 / 920 fixed n 1/4000s 3.4/s Y n
8.
 
Canon T4ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
9.
 
Canon T6ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
10.
 
Canon T6soptical Y3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
11.
 
Canon XSioptical n3.0 / 230 fixed n 1/4000s 3.5/s Y n
12.
 
Canon XTioptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
13.
 
Olympus E-M12360 n3.0 / 1037 tilting Y 1/8000s 10.0/s n Y
14.
 
Olympus E-M51440 n3.0 / 610 tilting Y 1/4000s 9.0/s n Y
15.
 
Olympus E-M5 II2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
16.
 
Olympus PEN-F2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
17.
 
Panasonic GX82360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The XT has one, while the E-M5 III does not. While the built-in flash of the XT is not very powerful, it can at times be useful as a fill-in light.

The E-M5 III has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the XT does not have a selfie-screen.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the E-M5 III is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Olympus E-M5 III has 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 XT writes its imaging data to Compact Flash cards, while the E-M5 III uses SDXC 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 Canon EOS Rebel XT and Olympus OM-D E-M5 Mark III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon XTY- / ----2.0---
2.
 
Olympus E-M5 IIIYstereo / monoY-micro2.0Y-Y
3.
 
Canon 20DY- / ----1.1---
4.
 
Canon 30DY- / ----2.0---
5.
 
Canon 77DYstereo / monoY-mini2.0YYY
6.
 
Canon RebelY- / ----1.1---
7.
 
Canon T1iYmono / mono--mini2.0---
8.
 
Canon T4iYstereo / monoY-mini2.0---
9.
 
Canon T6iYstereo / monoY-mini2.0YY-
10.
 
Canon T6sYstereo / monoY-mini2.0YY-
11.
 
Canon XSiY- / ---mini2.0---
12.
 
Canon XTiY- / ----2.0---
13.
 
Olympus E-M1Ystereo / monoY-micro2.0Y--
14.
 
Olympus E-M5Ystereo / mono--mini2.0---
15.
 
Olympus E-M5 IIYstereo / monoY-micro2.0Y--
16.
 
Olympus PEN-FYstereo / mono--micro2.0Y--
17.
 
Panasonic GX8Ystereo / monoY-micro2.0YY-

It is notable that the E-M5 III offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the XT does not provide wifi capability.

Both the XT and the E-M5 III have been discontinued, but can regularly be found used on ebay. The XT was replaced by the Canon Xti, while the E-M5 III was followed by the OM System OM-5. Further information on the features and operation of the XT and E-M5 III can be found, respectively, in the Canon XT Manual (free pdf) or the online Olympus E-M5 III Manual.

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Review summary

So what is the bottom line? Which of the two cameras – the Canon XT or the Olympus E-M5 III – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Canon EOS Rebel XT:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Longer lasting: Can take more shots (400 versus 310) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced segment (25 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in February 2005).

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Arguments in favor of the Olympus OM-D E-M5 Mark III:

  • More detail: Has more megapixels (20.2 vs 8MP), which boosts linear resolution by 56%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Broader imaging potential: Can capture not only stills but also 4K/30p video.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.68x vs 0.49x).
  • 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 115k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 3 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More compact: Is smaller (125x85mm vs 127x94mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 126g or 23 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • 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.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More modern: Reflects 14 years and 8 months of technical progress since the XT launch.

If the count of individual advantages (bullet points above) is taken as a guide, the E-M5 III is the clear winner of the contest (26 : 6 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 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.

XT 06:26 E-M5 III

How about other alternatives? Do the specifications of the Canon XT and the Olympus E-M5 III 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 partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the XT or the E-M5 III. 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 following table reports the overall ratings of the cameras as published by some of the major 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Canon XT..80/100..+ +o.. Feb 2005 US$ 899ebay.com
2.
 
Olympus E-M5 III5/5+5/582/1004.5/54.5/5 Oct 2019 US$ 1 199ebay.com
3.
 
Canon 20D......+ +.... Aug 2004 US$ 1 499ebay.com
4.
 
Canon 30D..+ +..+ +o.. Feb 2006 US$ 1 399ebay.com
5.
 
Canon 77D4.5/5..4/582/1004.5/54/5 Feb 2017 US$ 899ebay.com
6.
 
Canon Rebel......+ +.... Aug 2003 US$ 899ebay.com
7.
 
Canon T1i..+ +..74/1004.5/54.5/5 Mar 2009 US$ 799ebay.com
8.
 
Canon T4i4/5+ +..77/1004.5/54.5/5 Jun 2012 US$ 849ebay.com
9.
 
Canon T6i5/5....75/1004.5/54.5/5 Feb 2015 US$ 749ebay.com
10.
 
Canon T6s5/5+..77/1004.5/54.5/5 Feb 2015 US$ 649ebay.com
11.
 
Canon XSi..+ +..+ +4/54.5/5 Jan 2008 US$ 799ebay.com
12.
 
Canon XTi..+ +..+ +o4/5 Aug 2006 US$ 799ebay.com
13.
 
Olympus E-M15/5+ +..84/1004.5/54.5/5 Sep 2013 US$ 1 399ebay.com
14.
 
Olympus E-M54/5+ +..80/1004.5/55/5 Feb 2012 US$ 1 299ebay.com
15.
 
Olympus E-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 US$ 1 099ebay.com
16.
 
Olympus PEN-F....4/582/1004.5/55/5 Jan 2016 US$ 1 199ebay.com
17.
 
Panasonic GX85/5+..82/1004.5/54.5/5 Jul 2015 US$ 1 199ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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Check XT offers at
ebay.com
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Check E-M5 III offers at
ebay.com

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 XT vs Olympus E-M5 III

    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 XT Olympus E-M5 III
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Micro Four Thirds lenses
    Launch Date February 2005 October 2019
    Launch Price USD 899 USD 1,199
    Sensor Specs Canon XT Olympus E-M5 III
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 22.2 x 14.8 mm 17.3 x 13.0 mm
    Sensor Area 328.56 mm2 224.9 mm2
    Sensor Diagonal 26.7 mm 21.6 mm
    Crop Factor 1.6x 2.0x
    Sensor Resolution 8 Megapixels 20.2 Megapixels
    Image Resolution 3456 x 2304 pixels 5184 x 3888 pixels
    Pixel Pitch 6.41 μm 3.34 μm
    Pixel Density 2.42 MP/cm2 8.96 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 4K/30p Video
    ISO Setting 100 - 1,600 ISO 200 - 25,600 ISO
    ISO Boost no Enhancement 64 - 25,600 ISO
    Image Processor DIGIC II TruePic VIII
    DXO Sensor Quality (score) 60 ..
    DXO Color Depth (bits) 21.8 ..
    DXO Dynamic Range (EV) 10.8 ..
    DXO Low Light (ISO) 637 ..
    Screen Specs Canon XT Olympus E-M5 III
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.49x 0.68x
    Viewfinder Resolution 2360k dots
    LCD Framing Live View
    Rear LCD Size 1.8inch 3.0inch
    LCD Resolution 115k dots 1040k dots
    LCD Attachment Fixed screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon XT Olympus E-M5 III
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 3 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/32000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium CF cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    Connectivity Specs Canon XT Olympus E-M5 III
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Canon XT Olympus E-M5 III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon NB-2LH Olympus BLS-50
    Battery Life (CIPA)400 shots per charge310 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 127 x 94 x 64 mm
    (5.0 x 3.7 x 2.5 in)
    125 x 85 x 50 mm
    (4.9 x 3.3 x 2.0 in)
    Camera Weight 540 g (19.0 oz) 414 g (14.6 oz)
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