Olympus E-500 vs Canon 30D

The Olympus Evolt E-500 and the Canon EOS 30D are two digital cameras that were announced, respectively, in September 2005 and February 2006. Both are DSLR (Digital Single Lens Reflex) cameras that are based on a Four Thirds (E-500) and an APS-C (30D) sensor. The Olympus has a resolution of 8 megapixels, whereas the Canon provides 8.2 MP.

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

Headline Specifications

Olympus E-500		Canon 30D
Digital single lens reflex		Digital single lens reflex
Four Thirds lenses		Canon EF mount lenses
8 MP – Four Thirds sensor		8.2 MP – APS-C sensor
no Video		no Video
ISO 100-400 (100 - 1,600)		ISO 100-1,600 (100 - 3,200)
Optical viewfinder		Optical viewfinder
2.5" LCD – 215k dots		2.5" LCD – 230k dots
Fixed screen (not touch-sensitive)		Fixed screen (not touch-sensitive)
2.5 shutter flaps per second		5 shutter flaps per second
750 shots per battery charge		750 shots per battery charge
130 x 95 x 66 mm, 479 g		144 x 106 x 74 mm, 785 g

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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus Evolt E-500 and the Canon EOS 30D? 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 side-by-side display below illustrates the physical size and weight of the Olympus E-500 and the Canon 30D. 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 dimensions 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 30D is notably larger (24 percent) than the Olympus E-500. Moreover, the 30D is substantially heavier (64 percent) than the E-500. In this context, it is worth noting that neither the E-500 nor the 30D 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-500) and the Canon EF Lens Catalog (30D).

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.		Olympus E-500	130 mm	95 mm	66 mm	479 g	750	n	Sep 2005	599	ebay.com
2.		Canon 30D	144 mm	106 mm	74 mm	785 g	750	n	Feb 2006	1,399	ebay.com
3.		Canon 10D	150 mm	107 mm	75 mm	850 g	500	n	Feb 2003	1,999	ebay.com
4.		Canon 20D	144 mm	106 mm	72 mm	770 g	700	n	Aug 2004	1,499	ebay.com
5.		Canon 40D	146 mm	108 mm	74 mm	822 g	750	n	Aug 2007	1,299	ebay.com
6.		Canon XT	127 mm	94 mm	64 mm	540 g	400	n	Feb 2005	899	ebay.com
7.		Canon XTi	127 mm	84 mm	65 mm	556 g	370	n	Aug 2006	799	ebay.com
8.		Olympus E-300	147 mm	85 mm	64 mm	624 g	750	n	Sep 2004	799	ebay.com
9.		Olympus E-330	140 mm	87 mm	72 mm	637 g	750	n	Jan 2006	999	ebay.com
10.		Olympus E-400	130 mm	91 mm	53 mm	435 g	500	n	Sep 2006	699	ebay.com
11.		Olympus E-410	130 mm	91 mm	53 mm	435 g	500	n	Mar 2007	699	ebay.com
12.		Olympus E-420	130 mm	91 mm	53 mm	440 g	500	n	Mar 2008	599	ebay.com
13.		Olympus E-450	130 mm	91 mm	53 mm	440 g	500	n	Mar 2009	499	ebay.com
14.		Olympus E-510	136 mm	92 mm	68 mm	538 g	750	n	Mar 2007	799	ebay.com
15.		Olympus E-520	136 mm	92 mm	68 mm	535 g	750	n	May 2008	699	ebay.com
16.		Olympus E-620	130 mm	94 mm	60 mm	521 g	500	n	Feb 2009	699	ebay.com
17.		Panasonic L10	135 mm	96 mm	78 mm	556 g	450	n	Aug 2007	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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The E-500 was launched at a markedly lower price (by 57 percent) than the 30D, 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 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. 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 Olympus E-500 features a Four Thirds sensor and the Canon 30D an APS-C sensor. The sensor area in the 30D is 50 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-500 has a native 4:3 aspect ratio, while the one in the 30D offers a 3:2 aspect.

With 8.2MP, the 30D offers a higher resolution than the E-500 (8MP), but the 30D nevertheless has larger individual pixels (pixel pitch of 6.42μm versus 5.30μm for the E-500) due to its larger sensor. Moreover, the 30D is a somewhat more recent model (by 4 months) than the E-500, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The Olympus Evolt E-500 has a native sensitivity range from ISO 100 to ISO 400, which can be extended to ISO 100-1600. The corresponding ISO settings for the Canon EOS 30D are ISO 100 to ISO 1600, with the possibility to increase the ISO range to 100-3200.

In terms of underlying technology, the E-500 is build around a CCD sensor, while the 30D uses a 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.

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. 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.		Olympus E-500	Four Thirds	8.0	3264	2448	none	20.7	10.3	45	51
2.		Canon 30D	APS-C	8.2	3504	2336	none	21.5	10.8	736	59
3.		Canon 10D	APS-C	6.3	3072	2048	none	21.1	10.9	571	57
4.		Canon 20D	APS-C	8.2	3504	2336	none	21.9	11.0	721	62
5.		Canon 40D	APS-C	10.1	3888	2592	none	22.1	11.3	703	64
6.		Canon XT	APS-C	8.0	3456	2304	none	21.8	10.8	637	60
7.		Canon XTi	APS-C	10.1	3888	2592	none	22.1	11.0	664	62
8.		Olympus E-300	Four Thirds	8.0	3264	2448	none	20.4	10.1	-40	48
9.		Olympus E-330	Four Thirds	7.4	3136	2352	none	20.8	10.4	73	52
10.		Olympus E-400	Four Thirds	10.0	3648	2736	none	21.0	10.6	127	53
11.		Olympus E-410	Four Thirds	10.0	3648	2736	none	21.1	10.0	494	51
12.		Olympus E-420	Four Thirds	10.0	3648	2736	none	21.5	10.4	527	56
13.		Olympus E-450	Four Thirds	10.0	3648	2736	none	21.5	10.5	512	56
14.		Olympus E-510	Four Thirds	10.0	3648	2736	none	21.2	10.0	442	52
15.		Olympus E-520	Four Thirds	10.0	3648	2736	none	21.4	10.4	548	55
16.		Olympus E-620	Four Thirds	12.2	4032	3024	none	21.3	10.3	536	55
17.		Panasonic L10	Four Thirds	10.0	3648	2736	none	21.3	10.8	429	55
Note: DXO values in italics represent estimates based on sensor size and age.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The E-500 and the 30D 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 30D has a higher magnification than the one of the E-500 (0.56x vs 0.45x), 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 Olympus E-500 and Canon 30D along with similar information for a selection of comparators.

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-500	optical	n	2.5 / 215	fixed	n	1/4000s	2.5/s	Y	n
2.		Canon 30D	optical	Y	2.5 / 230	fixed	n	1/8000s	5.0/s	Y	n
3.		Canon 10D	optical	Y	1.8 / 118	fixed	n	1/4000s	3.0/s	Y	n
4.		Canon 20D	optical	Y	1.8 / 118	fixed	n	1/8000s	5.0/s	Y	n
5.		Canon 40D	optical	Y	3.0 / 230	fixed	n	1/8000s	6.5/s	Y	n
6.		Canon XT	optical	n	1.8 / 115	fixed	n	1/4000s	3.0/s	Y	n
7.		Canon XTi	optical	n	2.5 / 230	fixed	n	1/4000s	3.0/s	Y	n
8.		Olympus E-300	optical	n	1.8 / 134	fixed	n	1/4000s	2.5/s	Y	n
9.		Olympus E-330	optical	n	2.5 / 215	tilting	n	1/4000s	3.0/s	Y	n
10.		Olympus E-400	optical	n	2.5 / 215	fixed	n	1/4000s	3.0/s	Y	n
11.		Olympus E-410	optical	n	2.5 / 215	fixed	n	1/4000s	3.0/s	Y	n
12.		Olympus E-420	optical	n	2.7 / 215	fixed	n	1/4000s	3.5/s	Y	n
13.		Olympus E-450	optical	n	2.7 / 215	fixed	n	1/4000s	3.5/s	Y	n
14.		Olympus E-510	optical	n	2.5 / 215	fixed	n	1/4000s	3.0/s	Y	Y
15.		Olympus E-520	optical	n	2.7 / 215	fixed	n	1/4000s	3.5/s	Y	Y
16.		Olympus E-620	optical	n	2.7 / 230	swivel	n	1/4000s	4.0/s	Y	Y
17.		Panasonic L10	optical	n	2.5 / 207	swivel	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 30D, but is missing on the E-500 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 E-500 writes its imaging data to Compact Flash or xD Picture cards, while the 30D uses Compact Flash cards. The E-500 features dual card slots, which can be very useful in case a memory card fails. In contrast, the 30D 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 Evolt E-500 and Canon EOS 30D 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-500	Y	- / -	-	-	-	2.0	-	-	-
2.		Canon 30D	Y	- / -	-	-	-	2.0	-	-	-
3.		Canon 10D	Y	- / -	-	-	-	1.1	-	-	-
4.		Canon 20D	Y	- / -	-	-	-	1.1	-	-	-
5.		Canon 40D	Y	- / -	-	-	-	2.0	-	-	-
6.		Canon XT	Y	- / -	-	-	-	2.0	-	-	-
7.		Canon XTi	Y	- / -	-	-	-	2.0	-	-	-
8.		Olympus E-300	Y	- / -	-	-	-	2.0	-	-	-
9.		Olympus E-330	Y	- / -	-	-	-	2.0	-	-	-
10.		Olympus E-400	Y	- / -	-	-	-	2.0	-	-	-
11.		Olympus E-410	Y	- / -	-	-	-	2.0	-	-	-
12.		Olympus E-420	Y	- / -	-	-	-	2.0	-	-	-
13.		Olympus E-450	Y	- / -	-	-	-	2.0	-	-	-
14.		Olympus E-510	Y	- / -	-	-	-	2.0	-	-	-
15.		Olympus E-520	Y	- / -	-	-	-	2.0	-	-	-
16.		Olympus E-620	Y	- / -	-	-	-	2.0	-	-	-
17.		Panasonic L10	Y	- / -	-	-	-	2.0	-	-	-

Studio photographers will appreciate that the Canon 30D (unlike the E-500) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the E-500 and the 30D have been discontinued, but can regularly be found used on ebay. The E-500 was replaced by the Olympus E-510, while the 30D was followed by the Canon 40D. Further information on the features and operation of the E-500 and 30D can be found, respectively, in the Olympus E-500 Manual (free pdf) or the online Canon 30D Manual.

Review summary

So what is the bottom line? Which of the two cameras – the Olympus E-500 or the Canon 30D – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

Advantages of the Olympus Evolt E-500:

• More compact: Is smaller (130x95mm vs 144x106mm) and thus needs less room in the bag.
• Less heavy: Is lighter (by 306g or 39 percent) and hence easier to carry around.
• 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 (57 percent cheaper at launch).
• More heavily discounted: Has been on the market for longer (launched in September 2005).

Arguments in favor of the Canon EOS 30D:

• 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.
• Larger viewfinder image: Features a viewfinder with a higher magnification (0.56x vs 0.45x).
• Easier setting verification: Features a control panel on top to check shooting parameters.
• Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
• Faster burst: Shoots at higher frequency (5 vs 2.5 flaps/sec) to capture the decisive moment.
• Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
• More modern: Was introduced somewhat (4 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the 30D is the clear winner of the contest (10 : 5 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 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.

How about other alternatives? Do the specifications of the Olympus E-500 and the Canon 30D 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the E-500 or the 30D perform in practice. 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 expert reviews 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.		Olympus E-500	..	76/100	..	+ +	..	..	Sep 2005	599	ebay.com
2.		Canon 30D	..	+ +	..	+ +	o	..	Feb 2006	1,399	ebay.com
3.		Canon 10D	..	..	..	+ +	..	..	Feb 2003	1,999	ebay.com
4.		Canon 20D	..	..	..	+ +	..	..	Aug 2004	1,499	ebay.com
5.		Canon 40D	..	+ +	..	+ +	4.5/5	4.5/5	Aug 2007	1,299	ebay.com
6.		Canon XT	..	80/100	..	+ +	o	..	Feb 2005	899	ebay.com
7.		Canon XTi	..	+ +	..	+ +	o	4/5	Aug 2006	799	ebay.com
8.		Olympus E-300	..	..	..	+	o	4.5/5	Sep 2004	799	ebay.com
9.		Olympus E-330	..	..	..	+	o	..	Jan 2006	999	ebay.com
10.		Olympus E-400	..	85/100	..	..	4/5	4/5	Sep 2006	699	ebay.com
11.		Olympus E-410	..	86/100	..	+ +	4/5	4.5/5	Mar 2007	699	ebay.com
12.		Olympus E-420	..	85/100	..	+ +	4/5	4.5/5	Mar 2008	599	ebay.com
13.		Olympus E-450	..	..	..	..	4/5	4/5	Mar 2009	499	ebay.com
14.		Olympus E-510	..	89/100	..	+ +	3.5/5	4.5/5	Mar 2007	799	ebay.com
15.		Olympus E-520	..	87/100	..	+ +	4.5/5	4.5/5	May 2008	699	ebay.com
16.		Olympus E-620	3/5	88/100	..	72/100	4.5/5	5/5	Feb 2009	699	ebay.com
17.		Panasonic L10	..	85/100	..	+	3.5/5	4/5	Aug 2007	599	ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. A score, therefore, has to be seen in close connection to the price and market introduction time 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, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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