Canon 90D vs Olympus E-300

The Canon EOS 90D and the Olympus Evolt E-300 are two digital cameras that were announced, respectively, in August 2019 and September 2004. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (90D) and a Four Thirds (E-300) sensor. The Canon has a resolution of 32.3 megapixels, whereas the Olympus provides 8 MP.

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

Headline Specifications

Canon 90D		Olympus E-300
Digital single lens reflex		Digital single lens reflex
Canon EF mount lenses		Four Thirds lenses
32.3 MP – APS-C sensor		8 MP – Four Thirds sensor
4K/30p Video		no Video
ISO 100-25,600 (100 - 51,200)		ISO 100-400 (100 - 1,600)
Optical viewfinder		Optical viewfinder
3.0" LCD – 1040k dots		1.8" LCD – 134k dots
Swivel touchscreen		Fixed screen (not touch-sensitive)
11 shutter flaps per second		2.5 shutter flaps per second
Weathersealed body		not weather sealed
1300 shots per battery charge		750 shots per battery charge
141 x 105 x 77 mm, 701 g		147 x 85 x 64 mm, 624 g

Check 90D price at
amazon.com
Check E-300 offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 90D and the Olympus Evolt E-300? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The physical size and weight of the Canon 90D and the Olympus E-300 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-300 is notably smaller (16 percent) than the Canon 90D. Moreover, the E-300 is markedly lighter (11 percent) than the 90D. It is worth mentioning in this context that the 90D is splash and dust resistant, while the E-300 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 (90D) and the Four Thirds Lens Catalog (E-300).

Concerning battery life, the 90D gets 1300 shots out of its Canon LP-E6N battery, while the E-300 can take 750 images on a single charge of its Olympus BLM-1 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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.

Body Specifications

		Camera Model	Camera Width	Camera Height	Camera Depth	Camera Weight	Battery Life	Weather Sealing	Camera Launch	Launch Price (USD)	Street Price
1.		Canon 90D	141 mm	105 mm	77 mm	701 g	1300	Y	Aug 2019	1,199	amazon.com
2.		Olympus E-300	147 mm	85 mm	64 mm	624 g	750	n	Sep 2004	799	ebay.com
3.		Canon 30D	144 mm	106 mm	74 mm	785 g	750	n	Feb 2006	1,399	ebay.com
4.		Canon 40D	146 mm	108 mm	74 mm	822 g	750	n	Aug 2007	1,299	ebay.com
5.		Canon 50D	146 mm	108 mm	74 mm	822 g	800	Y	Aug 2008	1,299	ebay.com
6.		Canon 60D	145 mm	106 mm	79 mm	755 g	1100	Y	Aug 2010	1,399	ebay.com
7.		Canon 70D	139 mm	104 mm	79 mm	755 g	920	Y	Jul 2013	1,199	ebay.com
8.		Canon 80D	139 mm	105 mm	79 mm	730 g	960	Y	Feb 2016	1,199	ebay.com
9.		Canon 350D	127 mm	94 mm	64 mm	540 g	400	n	Feb 2005	899	ebay.com
10.		Canon 2000D	129 mm	101 mm	78 mm	475 g	500	n	Feb 2018	449	amazon.com
11.		Canon G3 X	123 mm	77 mm	105 mm	733 g	300	Y	Jun 2015	999	ebay.com
12.		Canon R	139 mm	98 mm	84 mm	660 g	370	Y	Sep 2018	2,299	ebay.com
13.		Leica Digilux 3	146 mm	87 mm	77 mm	606 g	750	n	Sep 2006	1,499	ebay.com
14.		Olympus E-330	140 mm	87 mm	72 mm	637 g	750	n	Jan 2006	999	ebay.com
15.		Olympus E-500	130 mm	95 mm	66 mm	479 g	750	n	Sep 2005	599	ebay.com
16.		Panasonic GH5s	139 mm	98 mm	87 mm	660 g	440	Y	Jan 2018	2,499	amazon.com
17.		Panasonic L1	146 mm	87 mm	64 mm	606 g	750	n	Feb 2006	999	ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
Convert to Imperial

Any camera decision will naturally be influenced heavily by the price. 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 E-300 was launched at a markedly lower price (by 33 percent) than the 90D, 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.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon 90D features an APS-C sensor and the Olympus E-300 a Four Thirds sensor. The sensor area in the E-300 is 33 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 90D has a native 3:2 aspect ratio, while the one in the E-300 offers a 4:3 aspect.

With 32.3MP, the 90D offers a higher resolution than the E-300 (8MP), but the 90D has smaller individual pixels (pixel pitch of 3.23μm versus 5.30μm for the E-300). However, the 90D is a much more recent model (by 14 years and 11 months) than the E-300, 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 90D implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 90D for good quality output (200 dots per inch) amounts to 34.8 x 23.2 inches or 88.4 x 58.9 cm, for very good quality (250 dpi) 27.8 x 18.6 inches or 70.7 x 47.1 cm, and for excellent quality (300 dpi) 23.2 x 15.5 inches or 58.9 x 39.3 cm. The corresponding values for the Olympus E-300 are 16.3 x 12.2 inches or 41.5 x 31.1 cm for good quality, 13.1 x 9.8 inches or 33.2 x 24.9 cm for very good quality, and 10.9 x 8.2 inches or 27.6 x 20.7 cm for excellent quality prints.

The 90D has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS 90D 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 Evolt E-300 are ISO 100 to ISO 400, with the possibility to increase the ISO range to 100-1600.

In terms of underlying technology, the 90D is build around a CMOS sensor, while the E-300 uses a CCD 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.

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics

		Camera Model	Sensor Class	Resolution (MP)	Horiz. Pixels	Vert. Pixels	Video Format	DXO Portrait	DXO Landscape	DXO Sports	DXO Overall
1.		Canon 90D	APS-C	32.3	6960	4640	4K/30p	24.0	13.5	1848	83
2.		Olympus E-300	Four Thirds	8.0	3264	2448	none	20.4	10.1	-40	48
3.		Canon 30D	APS-C	8.2	3504	2336	none	21.5	10.8	736	59
4.		Canon 40D	APS-C	10.1	3888	2592	none	22.1	11.3	703	64
5.		Canon 50D	APS-C	15.1	4752	3168	none	21.8	11.4	696	63
6.		Canon 60D	APS-C	17.9	5184	3456	1080/30p	22.2	11.5	813	66
7.		Canon 70D	APS-C	20.0	5472	3648	1080/30p	22.5	11.6	926	68
8.		Canon 80D	APS-C	24.0	6000	4000	1080/60p	23.6	13.2	1135	79
9.		Canon 350D	APS-C	8.0	3456	2304	none	21.8	10.8	637	60
10.		Canon 2000D	APS-C	24.0	6000	4000	1080/30p	22.6	11.9	1009	71
11.		Canon G3 X	1-inch	20.0	5472	3648	1080/60p	21.4	12.3	521	63
12.		Canon R	Full Frame	30.1	6720	4480	4K/30p	24.5	13.5	2742	89
13.		Leica Digilux 3	Four Thirds	7.4	3136	2352	none	21.0	10.6	127	53
14.		Olympus E-330	Four Thirds	7.4	3136	2352	none	20.8	10.4	73	52
15.		Olympus E-500	Four Thirds	8.0	3264	2448	none	20.7	10.3	45	51
16.		Panasonic GH5s	Four Thirds	9.9	3680	2700	4K/60p	23.1	12.8	1154	74
17.		Panasonic L1	Four Thirds	7.4	3136	2352	none	20.8	10.4	80	52
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but can also record movies. The 90D indeed provides movie recording capabilities, while the E-300 does not. The highest resolution format that the 90D can use is 4K/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The 90D and the E-300 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 90D offers a wider field of view (100%) than the one in the E-300 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the 90D has a higher magnification (0.59x vs 0.5x), 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 90D, the Olympus E-300, and comparable cameras.

Core Features

		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 90D	optical	Y	3.0 / 1040	swivel	Y	1/8000s	11.0/s	Y	n
2.		Olympus E-300	optical	n	1.8 / 134	fixed	n	1/4000s	2.5/s	Y	n
3.		Canon 30D	optical	Y	2.5 / 230	fixed	n	1/8000s	5.0/s	Y	n
4.		Canon 40D	optical	Y	3.0 / 230	fixed	n	1/8000s	6.5/s	Y	n
5.		Canon 50D	optical	Y	3.0 / 920	fixed	n	1/8000s	6.3/s	Y	n
6.		Canon 60D	optical	Y	3.0 / 1040	swivel	n	1/8000s	5.3/s	Y	n
7.		Canon 70D	optical	Y	3.0 / 1040	swivel	Y	1/8000s	7.0/s	Y	n
8.		Canon 80D	optical	Y	3.0 / 1040	swivel	Y	1/8000s	7.0/s	Y	n
9.		Canon 350D	optical	n	1.8 / 115	fixed	n	1/4000s	3.0/s	Y	n
10.		Canon 2000D	optical	n	3.0 / 920	fixed	n	1/4000s	3.0/s	Y	n
11.		Canon G3 X	optional	n	3.2 / 1620	tilting	Y	1/2000s	5.9/s	Y	Y
12.		Canon R	3690	Y	3.2 / 2100	swivel	Y	1/8000s	8.0/s	n	n
13.		Leica Digilux 3	optical	n	2.5 / 207	fixed	n	1/4000s	3.0/s	Y	n
14.		Olympus E-330	optical	n	2.5 / 215	tilting	n	1/4000s	3.0/s	Y	n
15.		Olympus E-500	optical	n	2.5 / 215	fixed	n	1/4000s	2.5/s	Y	n
16.		Panasonic GH5s	3680	n	3.2 / 1620	swivel	Y	1/8000s	12.0/s	n	n
17.		Panasonic L1	optical	n	2.5 / 207	fixed	n	1/4000s	3.0/s	Y	n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the 90D, but is missing on the E-300 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

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 90D 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 90D 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 90D writes its imaging data to SDXC cards, while the E-300 uses Compact Flash or xD Picture cards. The E-300 features dual card slots, which can be very useful in case a memory card fails. In contrast, the 90D only has one slot.

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 90D and Olympus Evolt E-300 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 Mic / Speaker	Microphone Port	Headphone Port	HDMI Port	USB Port	WiFi Support	NFC Support	Bluetooth Support
1.		Canon 90D	Y	stereo / mono	Y	Y	mini	2.0	Y	-	Y
2.		Olympus E-300	Y	- / -	-	-	-	2.0	-	-	-
3.		Canon 30D	Y	- / -	-	-	-	2.0	-	-	-
4.		Canon 40D	Y	- / -	-	-	-	2.0	-	-	-
5.		Canon 50D	Y	- / -	-	-	mini	2.0	-	-	-
6.		Canon 60D	Y	mono / mono	Y	-	mini	2.0	-	-	-
7.		Canon 70D	Y	stereo / mono	Y	-	mini	2.0	Y	-	-
8.		Canon 80D	Y	stereo / mono	Y	Y	mini	2.0	Y	Y	-
9.		Canon 350D	Y	- / -	-	-	-	2.0	-	-	-
10.		Canon 2000D	Y	mono / mono	-	-	mini	2.0	Y	Y	-
11.		Canon G3 X	Y	stereo / mono	Y	Y	mini	2.0	Y	Y	-
12.		Canon R	Y	stereo / mono	Y	Y	mini	3.1	Y	-	Y
13.		Leica Digilux 3	Y	stereo / mono	-	-	-	2.0	-	-	-
14.		Olympus E-330	Y	- / -	-	-	-	2.0	-	-	-
15.		Olympus E-500	Y	- / -	-	-	-	2.0	-	-	-
16.		Panasonic GH5s	Y	stereo / mono	Y	Y	full	3.1	Y	-	Y
17.		Panasonic L1	Y	- / -	-	-	-	2.0	-	-	-

It is notable that the 90D offers wifi support, while the E-300 does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

The 90D is a recent model that features in the current product line-up of Canon. In contrast, the E-300 has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the E-300 was succeeded by the Olympus E-330. Further information on the features and operation of the 90D and E-300 can be found, respectively, in the Canon 90D Manual (free pdf) or the online Olympus E-300 Manual.

Review summary

So what conclusions can be drawn? Is there a clear favorite between the Canon 90D and the Olympus E-300? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

Reasons to prefer the Canon EOS 90D:

• More detail: Offers more megapixels (32.3 vs 8MP) with a 105% 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 4K/30p movies.
• Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
• 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 (0.59x vs 0.5x).
• Easier setting verification: Features an LCD display on top to control shooting parameters.
• 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 a 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 shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
• Faster burst: Shoots at higher frequency (11 vs 2.5 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.
• Longer lasting: Can take more shots (1300 versus 750) on a single battery charge.
• Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
• 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 11 months of technical progress since the E-300 launch.

Arguments in favor of the Olympus Evolt E-300:

• More compact: Is smaller (147x85mm vs 141x105mm) and will fit more readily into a bag.
• Less heavy: Has a lower weight (by 77g or 11 percent) and is thus easier to take along.
• Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
• More affordable: Was introduced into a lower priced category (33 percent cheaper at launch).
• More heavily discounted: Has been around for much longer (launched in September 2004).

If the count of individual advantages (bullet points above) is taken as a guide, the 90D is the clear winner of the match-up (24 : 5 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 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.

How about other alternatives? Do the specifications of the Canon 90D and the Olympus E-300 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 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 90D or the E-300. 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 table below provides a synthesis of the camera assessments of some of the best known photo-gear 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.

Expert Camera Reviews

		Camera   Model	AP   score	CL   score	DCW   score	DPR   score	EPZ   score	PB   score	Camera Launch	Launch Price (USD)	Street Price
1.		Canon 90D	4/5	+	4.5/5	85/100	4.5/5	4.5/5	Aug 2019	1,199	amazon.com
2.		Olympus E-300	..	..	..	+	o	4.5/5	Sep 2004	799	ebay.com
3.		Canon 30D	..	+ +	..	+ +	o	..	Feb 2006	1,399	ebay.com
4.		Canon 40D	..	+ +	..	+ +	4.5/5	4.5/5	Aug 2007	1,299	ebay.com
5.		Canon 50D	..	+ +	..	+ +	4.5/5	4.5/5	Aug 2008	1,299	ebay.com
6.		Canon 60D	5/5	+	..	79/100	4/5	4.5/5	Aug 2010	1,399	ebay.com
7.		Canon 70D	5/5	+ +	..	83/100	4.5/5	5/5	Jul 2013	1,199	ebay.com
8.		Canon 80D	4/5	+ +	4.5/5	84/100	4.5/5	4.5/5	Feb 2016	1,199	ebay.com
9.		Canon 350D	..	80/100	..	+ +	o	..	Feb 2005	899	ebay.com
10.		Canon 2000D	3/5	o	3.5/5	..	3.5/5	3.5/5	Feb 2018	449	amazon.com
11.		Canon G3 X	3.5/5	+	..	..	4.5/5	4/5	Jun 2015	999	ebay.com
12.		Canon R	4/5	o	4/5	79/100	4.5/5	4/5	Sep 2018	2,299	ebay.com
13.		Leica Digilux 3	..	..	..	..	..	..	Sep 2006	1,499	ebay.com
14.		Olympus E-330	..	..	..	+	o	..	Jan 2006	999	ebay.com
15.		Olympus E-500	..	76/100	..	+ +	..	..	Sep 2005	599	ebay.com
16.		Panasonic GH5s	..	..	4.5/5	84/100	4.5/5	4.5/5	Jan 2018	2,499	amazon.com
17.		Panasonic L1	..	85/100	..	+	..	3.5/5	Feb 2006	999	ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods 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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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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