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Canon T8i vs OM System OM-3

The Canon EOS Rebel T8i (called Canon 850D in some regions) and the OM System OM-3 are two digital cameras that were officially introduced, respectively, in February 2020 and February 2025. The T8i is a DSLR, while the OM-3 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (T8i) and a Four Thirds (OM-3) sensor. The Canon has a resolution of 24 megapixels, whereas the OM System 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 T8i
versus
OM System OM-3
Canon T8i   OM System OM-3
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Micro Four Thirds lenses
24 MP – APS-C sensor 20.2 MP – Four Thirds sensor
4K/24p Video 4K/60p Video
ISO 100-25,600 (100 - 51,200) ISO 80-25,600 (80 - 102,400)
Optical viewfinder Electronic viewfinder (2360k dots)
3.0" LCD – 1040k dots 3.0" LCD – 1640k dots
Swivel touchscreen Swivel touchscreen
7.5 shutter flaps per second 6 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
800 shots per battery charge590 shots per battery charge
131 x 103 x 76 mm, 515 g 139 x 89 x 46 mm, 496 g
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Check T8i offers at
ebay.com
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Check OM-3 price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS Rebel T8i and the OM System OM-3? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The physical size and weight of the Canon T8i and the OM System OM-3 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures are rounded to the nearest millimeter.

The OM-3 can be obtained in two different colors (black, silver), while the T8i is only available in black.

Size Canon T8i vs OM System OM-3
Compare T8i versus OM-3 top
Comparison T8i or OM-3 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the OM System OM-3 is notably smaller (8 percent) than the Canon T8i. Moreover, the OM-3 is slightly lighter (4 percent) than the T8i. It is noteworthy in this context that the OM-3 is splash and dust-proof, while the T8i 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 (T8i) and the Micro Four Thirds Lens Catalog (OM-3). Mirrorless cameras, such as the OM-3, 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 T8i gets 800 shots out of its Canon LP-E17 battery, while the OM-3 can take 590 images on a single charge of its OM System BLX-1 power pack. The power pack in the OM-3 can be charged via the USB port, which can be very convenient when travelling.

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, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons 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 T8i 131 mm 103 mm 76 mm 515 g 800 n Feb 2020 US$ 749ebay.com
2.
 
OM System OM-3 139 mm 89 mm 46 mm 496 g 590 Y Feb 2025 US$ 1 999 amazon.com
3.
 
Canon 77D 131 mm 100 mm 76 mm 540 g 600 n Feb 2017 US$ 899ebay.com
4.
 
Canon SL2 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 US$ 549ebay.com
5.
 
Canon SL3 122 mm 93 mm 70 mm 449 g 1070 n Apr 2019 US$ 599 amazon.com
6.
 
Canon T2i 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 US$ 699ebay.com
7.
 
Canon T4i 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 US$ 849ebay.com
8.
 
Canon T5i 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 US$ 649ebay.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 T7 129 mm 101 mm 78 mm 475 g 500 n Feb 2018 US$ 449 amazon.com
12.
 
Canon T7i 131 mm 100 mm 76 mm 532 g 600 n Feb 2017 US$ 749ebay.com
13.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 US$ 1 999ebay.com
14.
 
Olympus E-M1 III 134 mm 91 mm 69 mm 580 g 420 Y Feb 2020 US$ 1 799ebay.com
15.
 
OM System OM-1 135 mm 92 mm 73 mm 599 g 520 Y Feb 2022 US$ 2 199ebay.com
16.
 
OM System OM-1 II 135 mm 92 mm 73 mm 599 g 500 Y Jan 2024 US$ 2 399 amazon.com
17.
 
OM System OM-5 II 125 mm 85 mm 50 mm 414 g 310 Y Jun 2025 US$ 1 199 amazon.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The T8i was launched at a markedly lower price (by 63 percent) than the OM-3, which puts it into a different market segment. 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. 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 T8i features an APS-C sensor and the OM System OM-3 a Four Thirds sensor. The sensor area in the OM-3 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 T8i has a native 3:2 aspect ratio, while the one in the OM-3 offers a 4:3 aspect.

Canon T8i and OM System OM-3 sensor measures

With 24MP, the T8i offers a higher resolution than the OM-3 (20.2MP), but the T8i nevertheless has larger individual pixels (pixel pitch of 3.72μm versus 3.34μm for the OM-3) due to its larger sensor. However, the OM-3 is a much more recent model (by 4 years and 11 months) than the T8i, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the OM-3 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Canon T8i implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the T8i for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the OM System OM-3 are 25.9 x 19.4 inches or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inches or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inches or 43.9 x 32.9 cm for excellent quality prints.

Unlike the T8i, the OM-3 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 T8i 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 OM System OM-3 are ISO 80 to ISO 25600, with the possibility to increase the ISO range to 80-102400.

In terms of underlying technology, the T8i is build around a CMOS sensor, while the OM-3 uses a Stacked BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

T8i versus OM-3 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 T8i APS-C 24.0 6000 40004K/24p24.013.5187383
2.
 
OM System OM-3 Four Thirds 20.2 5184 38884K/60p23.413.7185278
3.
 
Canon 77D APS-C 24.0 6000 40001080/60p23.613.397178
4.
 
Canon SL2 APS-C 24.0 6000 40001080/60p23.613.4104179
5.
 
Canon SL3 APS-C 24.0 6000 40004K/25p23.913.4179182
6.
 
Canon T2i APS-C 17.9 5184 34561080/30p22.111.578466
7.
 
Canon T4i APS-C 17.9 5184 34561080/30p21.711.272262
8.
 
Canon T5i APS-C 17.9 5184 34561080/30p21.711.268161
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 T7 APS-C 24.0 6000 40001080/30p23.813.3168481
12.
 
Canon T7i APS-C 24.0 6000 40001080/60p23.713.1158680
13.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
14.
 
Olympus E-M1 III Four Thirds 20.2 5184 38884K/30p23.313.1135676
15.
 
OM System OM-1 Four Thirds 20.2 5184 38884K/60p23.413.4155377
16.
 
OM System OM-1 II Four Thirds 20.2 5184 38884K/60p23.413.6174978
17.
 
OM System OM-5 II Four Thirds 20.2 5184 38884K/30p23.413.7188978
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. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the OM-3 provides a faster frame rate than the T8i. It can shoot movie footage at 4K/60p, while the Canon is limited to 4K/24p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the OM-3 has an electronic viewfinder (2360k dots), while the T8i 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 OM-3 offers a wider field of view (100%) than the one in the T8i (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the OM-3 has a higher magnification (0.69x vs 0.51x), 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 T8i, the OM System OM-3, and comparable cameras.

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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 T8ioptical n3.0 / 1040 swivel Y 1/4000s 7.5/s Y n
2.
 
OM System OM-32360 n3.0 / 1640 swivel Y 1/8000s 6.0/s n Y
3.
 
Canon 77Doptical Y3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
4.
 
Canon SL2optical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
5.
 
Canon SL3optical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
6.
 
Canon T2ioptical n3.0 / 1040 fixed n 1/4000s 3.7/s Y n
7.
 
Canon T4ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
8.
 
Canon T5ioptical 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 T7optical n3.0 / 920 fixed n 1/4000s 3.0/s Y n
12.
 
Canon T7ioptical n3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
13.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
14.
 
Olympus E-M1 III2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
15.
 
OM System OM-15760 n3.0 / 1640 swivel Y 1/8000s 10.0/s n Y
16.
 
OM System OM-1 II5760 n3.0 / 1640 swivel Y 1/8000s 10.0/s n Y
17.
 
OM System OM-5 II2360 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 T8i has one, while the OM-3 does not. While the built-in flash of the T8i is not very powerful, it can at times be useful as a fill-in light.

Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

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 OM-3 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 Canon T8i and the OM System OM-3 both have 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.

Concerning the storage of imaging data, both the T8i and the OM-3 write their files to SDXC cards. The OM-3 features dual card slots, which can be very useful in case a memory card fails. In contrast, the T8i only has one slot. The OM-3 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the T8i can use UHS-I cards (up to 104 MB/s).

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 T8i and OM System OM-3 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 T8iYstereo / monoY-mini2.0Y-Y
2.
 
OM System OM-3Ystereo / monoYYmicro3.0Y-Y
3.
 
Canon 77DYstereo / monoY-mini2.0YYY
4.
 
Canon SL2Ystereo / monoY-mini2.0YYY
5.
 
Canon SL3Ystereo / monoY-mini2.0Y-Y
6.
 
Canon T2iYstereo / -Y-mini2.0---
7.
 
Canon T4iYstereo / monoY-mini2.0---
8.
 
Canon T5iYstereo / monoY-mini2.0---
9.
 
Canon T6iYstereo / monoY-mini2.0YY-
10.
 
Canon T6sYstereo / monoY-mini2.0YY-
11.
 
Canon T7Ymono / mono--mini2.0YY-
12.
 
Canon T7iYstereo / monoY-mini2.0YYY
13.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
14.
 
Olympus E-M1 IIIYstereo / monoYYmicro3.1Y-Y
15.
 
OM System OM-1Ystereo / monoYYmicro3.0Y-Y
16.
 
OM System OM-1 IIYstereo / monoYYmicro3.0Y-Y
17.
 
OM System OM-5 IIYstereo / monoY-micro2.0Y-Y

It is notable that the OM-3 has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The T8i lacks such a headphone port.

The OM-3 is a recent model that features in the current product line-up of OM System. In contrast, the T8i has been discontinued (but can be found pre-owned on ebay). There has not been a direct replacement model for the T8i from Canon. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and OM System websites.

Review summary

So what is the bottom line? Is the Canon T8i better than the OM System OM-3 or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Canon EOS Rebel T8i:

  • More detail: Offers more megapixels (24 vs 20.2MP) with a 11% higher linear resolution.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Faster burst: Shoots at higher frequency (7.5 vs 6 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (800 versus 590) 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 category (63 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in February 2020).

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Reasons to prefer the OM System OM-3:

  • 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.
  • Better video: Provides higher movie framerates (4K/60p versus 4K/24p).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • 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 (0.69x vs 0.51x).
  • More detailed LCD: Has a higher resolution rear screen (1640k vs 1040k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • 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.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 4 years and 11 months of technical progress since the T8i launch.

If the count of individual advantages (bullet points above) is taken as a guide, the OM-3 is the clear winner of the contest (18 : 12 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 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.

T8i 12:18 OM-3

How about other alternatives? Do the specifications of the Canon T8i and the OM System OM-3 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 says little about, for example, the shooting experience and imaging performance of the T8i and the OM-3 in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why hands-on reviews by experts 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 T8i4.5/5+3/580/1004/53.5/5 Feb 2020 US$ 749ebay.com
2.
 
OM System OM-3......86/100.... Feb 2025 US$ 1 999 amazon.com
3.
 
Canon 77D4.5/5..4/582/1004.5/54/5 Feb 2017 US$ 899ebay.com
4.
 
Canon SL24/5+ +4/578/1004.5/54.5/5 Jun 2017 US$ 549ebay.com
5.
 
Canon SL34/5o4.5/579/1004/54/5 Apr 2019 US$ 599 amazon.com
6.
 
Canon T2i..+ +..77/1004/54.5/5 Feb 2010 US$ 699ebay.com
7.
 
Canon T4i4/5+ +..77/1004.5/54.5/5 Jun 2012 US$ 849ebay.com
8.
 
Canon T5i......76/1004.5/54.5/5 Mar 2013 US$ 649ebay.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 T7..o3.5/5..3.5/53.5/5 Feb 2018 US$ 449 amazon.com
12.
 
Canon T7i4.5/5..3.5/580/1004.5/54/5 Feb 2017 US$ 749ebay.com
13.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 US$ 1 999ebay.com
14.
 
Olympus E-M1 III5/5..5/583/1004.5/54/5 Feb 2020 US$ 1 799ebay.com
15.
 
OM System OM-15/5....87/1005/54.5/5 Feb 2022 US$ 2 199ebay.com
16.
 
OM System OM-1 II............ Jan 2024 US$ 2 399 amazon.com
17.
 
OM System OM-5 II............ Jun 2025 US$ 1 199 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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.

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Check T8i offers at
ebay.com
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Check OM-3 price at
amazon.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 your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon T8i vs OM System OM-3

    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 T8i OM System OM-3
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Micro Four Thirds lenses
    Launch Date February 2020 February 2025
    Launch Price USD 749 USD 1,999
    Sensor Specs Canon T8i OM System OM-3
    Sensor Technology CMOS Stacked BSI-CMOS
    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 20.2 Megapixels
    Image Resolution 6000 x 4000 pixels 5184 x 3888 pixels
    Pixel Pitch 3.72 μm 3.34 μm
    Pixel Density 7.22 MP/cm2 8.96 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/24p Video 4K/60p Video
    ISO Setting 100 - 25,600 ISO 80 - 25,600 ISO
    ISO Boost 100 - 51,200 ISO 80 - 102,400 ISO
    Image Processor DIGIC 8 TruePic X
    Screen Specs Canon T8i OM System OM-3
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.51x 0.69x
    Viewfinder Resolution 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1640k dots
    LCD Attachment Swivel screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Canon T8i OM System OM-3
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 7.5 shutter flaps/s 6 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/32000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-I UHS-II
    Connectivity Specs Canon T8i OM System OM-3
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 3.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Canon T8i OM System OM-3
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon LP-E17 OM System BLX-1
    Battery Life (CIPA)800 shots per charge590 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 131 x 103 x 76 mm
    (5.2 x 4.1 x 3.0 in)
    139 x 89 x 46 mm
    (5.5 x 3.5 x 1.8 in)
    Camera Weight 515 g (18.2 oz) 496 g (17.5 oz)
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