Olympus E-620 vs Canon 500D

The Olympus E-620 and the Canon EOS 500D (labelled Canon T1i in some countries) are two digital cameras that were revealed to the public, respectively, in February 2009 and March 2009. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a Four Thirds (E-620) and an APS-C (500D) sensor. The Olympus has a resolution of 12.2 megapixels, whereas the Canon provides 15.1 MP.

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

Headline Specifications

Olympus E-620		Canon 500D
Digital single lens reflex		Digital single lens reflex
Four Thirds lenses		Canon EF mount lenses
12.2 MP – Four Thirds sensor		15.1 MP – APS-C sensor
no Video		1080/20p Video
ISO 100-3,200		ISO 100-6,400 (100 - 12,800)
Optical viewfinder		Optical viewfinder
2.7" LCD – 230k dots		3.0" LCD – 920k dots
Swivel screen (not touch-sensitive)		Fixed screen (not touch-sensitive)
4 shutter flaps per second		3.4 shutter flaps per second
In-body stabilization		Lens stabilization only
500 shots per battery charge		400 shots per battery charge
130 x 94 x 60 mm, 521 g		129 x 98 x 62 mm, 520 g

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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus E-620 and the Canon EOS 500D? 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 Olympus E-620 and the Canon 500D 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 Canon 500D is somewhat larger (3 percent) than the Olympus E-620. However, the 500D is slightly lighter (0 percent) than the E-620. In this context, it is worth noting that neither the E-620 nor the 500D are weather-sealed.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Four Thirds Lens Catalog (E-620) and the Canon EF Lens Catalog (500D).

Concerning battery life, the E-620 gets 500 shots out of its Olympus BLS-1 battery, while the 500D can take 400 images on a single charge of its Canon LP-E5 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

Body Specifications

		Camera Model	Camera Width	Camera Height	Camera Depth	Camera Weight	Battery Life	Weather Sealing	Camera Launch	Launch Price	Street Price
1.		Olympus E-620	130 mm	94 mm	60 mm	521 g	500	n	Feb 2009	US$ 699	ebay.com
2.		Canon 500D	129 mm	98 mm	62 mm	520 g	400	n	Mar 2009	US$ 799	ebay.com
3.		Canon 450D	129 mm	98 mm	62 mm	524 g	500	n	Jan 2008	US$ 799	ebay.com
4.		Canon 550D	129 mm	98 mm	62 mm	530 g	440	n	Feb 2010	US$ 699	ebay.com
5.		Canon 650D	133 mm	100 mm	79 mm	575 g	440	n	Jun 2012	US$ 849	ebay.com
6.		Canon G1 X	117 mm	81 mm	65 mm	534 g	250	n	Jan 2012	US$ 799	ebay.com
7.		Canon G1 X Mark II	116 mm	74 mm	66 mm	553 g	240	n	Feb 2014	US$ 799	ebay.com
8.		Olympus E-30	142 mm	108 mm	75 mm	701 g	750	n	Nov 2008	US$ 1 299	ebay.com
9.		Olympus E-410	130 mm	91 mm	53 mm	435 g	500	n	Mar 2007	US$ 699	ebay.com
10.		Olympus E-420	130 mm	91 mm	53 mm	440 g	500	n	Mar 2008	US$ 599	ebay.com
11.		Olympus E-450	130 mm	91 mm	53 mm	440 g	500	n	Mar 2009	US$ 499	ebay.com
12.		Olympus E-510	136 mm	92 mm	68 mm	538 g	750	n	Mar 2007	US$ 799	ebay.com
13.		Olympus E-520	136 mm	92 mm	68 mm	535 g	750	n	May 2008	US$ 699	ebay.com
14.		Olympus E-600	130 mm	94 mm	60 mm	535 g	500	n	Aug 2009	US$ 449	ebay.com
15.		Olympus E-P1	121 mm	70 mm	36 mm	355 g	300	n	Jun 2009	US$ 799	ebay.com
16.		Olympus E-P2	121 mm	70 mm	36 mm	355 g	300	n	Nov 2009	US$ 799	ebay.com
17.		Olympus E-PL1	115 mm	72 mm	42 mm	334 g	290	n	Feb 2010	US$ 599	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 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 E-620 was launched at a somewhat lower price (by 13 percent) than the 500D, which makes it more attractive for photographers on a tight budget. 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus E-620 features a Four Thirds sensor and the Canon 500D an APS-C sensor. The sensor area in the 500D is 48 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.6. The sensor in the E-620 has a native 4:3 aspect ratio, while the one in the 500D offers a 3:2 aspect.

With 15.1MP, the 500D offers a higher resolution than the E-620 (12.2MP), but the 500D nevertheless has larger individual pixels (pixel pitch of 4.69μm versus 4.29μm for the E-620) due to its larger sensor. It is noteworthy in this context that the two cameras were released in close succession, so that their sensors are from the same technological generation.

The resolution advantage of the Canon 500D implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 500D for good quality output (200 dots per inch) amounts to 23.8 x 15.8 inches or 60.4 x 40.2 cm, for very good quality (250 dpi) 19 x 12.7 inches or 48.3 x 32.2 cm, and for excellent quality (300 dpi) 15.8 x 10.6 inches or 40.2 x 26.8 cm. The corresponding values for the Olympus E-620 are 20.2 x 15.1 inches or 51.2 x 38.4 cm for good quality, 16.1 x 12.1 inches or 41 x 30.7 cm for very good quality, and 13.4 x 10.1 inches or 34.1 x 25.6 cm for excellent quality prints.

The Olympus E-620 has a native sensitivity range from ISO 100 to ISO 3200. The corresponding ISO settings for the Canon EOS 500D are ISO 100 to ISO 6400, with the possibility to increase the ISO range to 100-12800.

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.

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. Of the two cameras under consideration, the 500D has a markedly higher DXO score than the E-620 (overall score 8 points higher), which will translate into better image quality. The advantage is based on 0.4 bits higher color depth, 1.2 EV in additional dynamic range, and 0.3 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics

		Camera Model	Sensor Class	Resolution (MP)	Horiz. Pixels	Vert. Pixels	Video Format	DXO Portrait	DXO Landscape	DXO Sports	DXO Overall
1.		Olympus E-620	Four Thirds	12.2	4032	3024	none	21.3	10.3	536	55
2.		Canon 500D	APS-C	15.1	4752	3168	1080/20p	21.7	11.5	663	63
3.		Canon 450D	APS-C	12.2	4272	2848	none	21.9	10.8	692	61
4.		Canon 550D	APS-C	17.9	5184	3456	1080/30p	22.1	11.5	784	66
5.		Canon 650D	APS-C	17.9	5184	3456	1080/30p	21.7	11.2	722	62
6.		Canon G1 X	1.5-inch	14.2	4352	3264	1080/24p	21.7	10.8	644	60
7.		Canon G1 X Mark II	1.5-inch	13.0	4160	3120	1080/30p	21.5	10.8	581	58
8.		Olympus E-30	Four Thirds	12.2	4032	3024	none	21.3	10.4	530	55
9.		Olympus E-410	Four Thirds	10.0	3648	2736	none	21.1	10.0	494	51
10.		Olympus E-420	Four Thirds	10.0	3648	2736	none	21.5	10.4	527	56
11.		Olympus E-450	Four Thirds	10.0	3648	2736	none	21.5	10.5	512	56
12.		Olympus E-510	Four Thirds	10.0	3648	2736	none	21.2	10.0	442	52
13.		Olympus E-520	Four Thirds	10.0	3648	2736	none	21.4	10.4	548	55
14.		Olympus E-600	Four Thirds	12.2	4032	3024	none	21.5	10.3	541	55
15.		Olympus E-P1	Four Thirds	12.2	4032	3024	720/30p	21.4	10.4	536	55
16.		Olympus E-P2	Four Thirds	12.2	4032	3024	720/30p	21.5	10.4	505	56
17.		Olympus E-PL1	Four Thirds	12.2	4032	3024	720/30p	21.5	10.1	487	54

Many modern cameras are not only capable of taking still images, but can also record movies. The 500D indeed provides for movie recording, while the E-620 does not. The highest resolution format that the 500D can use is 1080/20p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The E-620 and the 500D 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 viewfinders of both cameras offer the same field of view (95%), but the viewfinder of the 500D has a higher magnification than the one of the E-620 (0.54x 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 Olympus E-620, the Canon 500D, 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.		Olympus E-620	optical	n	2.7 / 230	swivel	n	1/4000s	4.0/s	Y	Y
2.		Canon 500D	optical	n	3.0 / 920	fixed	n	1/4000s	3.4/s	Y	n
3.		Canon 450D	optical	n	3.0 / 230	fixed	n	1/4000s	3.5/s	Y	n
4.		Canon 550D	optical	n	3.0 / 1040	fixed	n	1/4000s	3.7/s	Y	n
5.		Canon 650D	optical	n	3.0 / 1040	swivel	Y	1/4000s	5.0/s	Y	n
6.		Canon G1 X	optical	n	3.0 / 922	swivel	n	1/4000s	1.9/s	Y	Y
7.		Canon G1 X Mark II	optional	n	3.0 / 1040	tilting	Y	1/4000s	5.2/s	Y	Y
8.		Olympus E-30	optical	Y	2.7 / 230	swivel	n	1/8000s	5.0/s	Y	Y
9.		Olympus E-410	optical	n	2.5 / 215	fixed	n	1/4000s	3.0/s	Y	n
10.		Olympus E-420	optical	n	2.7 / 215	fixed	n	1/4000s	3.5/s	Y	n
11.		Olympus E-450	optical	n	2.7 / 215	fixed	n	1/4000s	3.5/s	Y	n
12.		Olympus E-510	optical	n	2.5 / 215	fixed	n	1/4000s	3.0/s	Y	Y
13.		Olympus E-520	optical	n	2.7 / 215	fixed	n	1/4000s	3.5/s	Y	Y
14.		Olympus E-600	optical	n	2.7 / 230	swivel	n	1/4000s	4.0/s	Y	Y
15.		Olympus E-P1	none	n	3.0 / 230	fixed	n	1/4000s	3.0/s	n	Y
16.		Olympus E-P2	optional	n	3.0 / 230	fixed	n	1/4000s	3.0/s	n	Y
17.		Olympus E-PL1	optional	n	2.7 / 230	fixed	n	1/2000s	3.0/s	Y	Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that differentiates the E-620 and the 500D is in-body image stabilization (IBIS). The E-620 reduces the risk of handshake-induced blur with all attached lenses, while the 500D offers no blur reduction with lenses that themselves do not provide optical image stabilization.

The E-620 writes its imaging data to Compact Flash or xD Picture cards, while the 500D uses SDHC cards. The E-620 features dual card slots, which can be very useful in case a memory card fails. In contrast, the 500D 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 Olympus E-620 and Canon EOS 500D 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.		Olympus E-620	Y	- / -	-	-	-	2.0	-	-	-
2.		Canon 500D	Y	mono / mono	-	-	mini	2.0	-	-	-
3.		Canon 450D	Y	- / -	-	-	mini	2.0	-	-	-
4.		Canon 550D	Y	stereo / -	Y	-	mini	2.0	-	-	-
5.		Canon 650D	Y	stereo / mono	Y	-	mini	2.0	-	-	-
6.		Canon G1 X	Y	stereo / mono	-	-	mini	2.0	-	-	-
7.		Canon G1 X Mark II	Y	stereo / mono	-	-	mini	2.0	Y	Y	-
8.		Olympus E-30	Y	- / -	-	-	-	2.0	-	-	-
9.		Olympus E-410	Y	- / -	-	-	-	2.0	-	-	-
10.		Olympus E-420	Y	- / -	-	-	-	2.0	-	-	-
11.		Olympus E-450	Y	- / -	-	-	-	2.0	-	-	-
12.		Olympus E-510	Y	- / -	-	-	-	2.0	-	-	-
13.		Olympus E-520	Y	- / -	-	-	-	2.0	-	-	-
14.		Olympus E-600	Y	- / -	-	-	-	2.0	-	-	-
15.		Olympus E-P1	Y	stereo / -	-	-	mini	2.0	-	-	-
16.		Olympus E-P2	Y	stereo / -	-	-	mini	2.0	-	-	-
17.		Olympus E-PL1	Y	stereo / -	-	-	mini	2.0	-	-	-

Both the E-620 and the 500D have been discontinued, but can regularly be found used on ebay. The E-620 was replaced by the Olympus E-600, while the 500D was followed by the Canon 550D. Further information on the features and operation of the E-620 and 500D can be found, respectively, in the Olympus E-620 Manual (free pdf) or the online Canon 500D Manual.

Review summary

So how do things add up? Is the Olympus E-620 better than the Canon 500D or vice versa? Below is a summary of the relative strengths of each of the two contestants.

Arguments in favor of the Olympus E-620:

• More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
• More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
• Faster burst: Shoots at higher frequency (4 vs 3.4 flaps/sec) to capture the decisive moment.
• Longer lasting: Can take more shots (500 versus 400) on a single battery charge.
• Sharper images: Has hand-shake reducing image stabilization built-in.
• 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 segment (13 percent cheaper at launch).

Reasons to prefer the Canon EOS 500D:

• More detail: Has more megapixels (15.1 vs 12.2MP), which boosts linear resolution by 13%.
• Better image quality: Scores markedly higher (8 points) in the DXO overall evaluation.
• More dynamic range: Captures a broader range of light and dark details (1.2 EV of extra DR).
• Broader imaging potential: Can capture not only stills but also 1080/20p video.
• Larger viewfinder image: Features a viewfinder with a higher magnification (0.54x vs 0.48x).
• Larger screen: Has a bigger rear LCD (3.0" vs 2.7") for image review and settings control.
• More detailed LCD: Has a higher resolution rear screen (920k vs 230k dots).

If the count of relative strengths (bullet points above) is taken as a measure, the match-up finishes in a tie (7 points each). 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.

How about other alternatives? Do the specifications of the Olympus E-620 and the Canon 500D 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 says little about, for example, the shooting experience and imaging performance of the E-620 and the 500D in practical situations. 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

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	Street Price
1.		Olympus E-620	3/5	88/100	..	72/100	4.5/5	5/5	Feb 2009	US$ 699	ebay.com
2.		Canon 500D	..	+ +	..	74/100	4.5/5	4.5/5	Mar 2009	US$ 799	ebay.com
3.		Canon 450D	..	+ +	..	+ +	4/5	4.5/5	Jan 2008	US$ 799	ebay.com
4.		Canon 550D	..	+ +	..	77/100	4/5	4.5/5	Feb 2010	US$ 699	ebay.com
5.		Canon 650D	4/5	+ +	..	77/100	4.5/5	4.5/5	Jun 2012	US$ 849	ebay.com
6.		Canon G1 X	5/5	+	..	76/100	4/5	4.5/5	Jan 2012	US$ 799	ebay.com
7.		Canon G1 X Mark II	3/5	+	..	77/100	4/5	4.5/5	Feb 2014	US$ 799	ebay.com
8.		Olympus E-30	..	..	..	71/100	4.5/5	4/5	Nov 2008	US$ 1 299	ebay.com
9.		Olympus E-410	..	86/100	..	+ +	4/5	4.5/5	Mar 2007	US$ 699	ebay.com
10.		Olympus E-420	..	85/100	..	+ +	4/5	4.5/5	Mar 2008	US$ 599	ebay.com
11.		Olympus E-450	..	..	..	..	4/5	4/5	Mar 2009	US$ 499	ebay.com
12.		Olympus E-510	..	89/100	..	+ +	3.5/5	4.5/5	Mar 2007	US$ 799	ebay.com
13.		Olympus E-520	..	87/100	..	+ +	4.5/5	4.5/5	May 2008	US$ 699	ebay.com
14.		Olympus E-600	..	..	..	..	..	4.5/5	Aug 2009	US$ 449	ebay.com
15.		Olympus E-P1	..	+	..	66/100	4/5	4.5/5	Jun 2009	US$ 799	ebay.com
16.		Olympus E-P2	3/5	+	..	69/100	4/5	4.5/5	Nov 2009	US$ 799	ebay.com
17.		Olympus E-PL1	..	86/100	..	69/100	4/5	4.5/5	Feb 2010	US$ 599	ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. 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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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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