Canon 10D vs Leica M9

The Canon EOS 10D and the Leica M9 are two enthusiast cameras that were announced, respectively, in February 2003 and September 2009. The 10D is a DSLR, while the M9 is a rangefinder-focusing mirrorless camera. The cameras are based on an APS-C (10D) and a full frame (M9) sensor. The Canon has a resolution of 6.3 megapixels, whereas the Leica provides 18.1 MP.

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

Headline Specifications

Canon 10D		Leica M9
Digital single lens reflex		Rangefinder camera
Canon EF mount lenses		Leica M mount lenses
6.3 MP – APS-C sensor		18.1 MP – Full Frame sensor
no Video		no Video
ISO 100-3,200		ISO 80-2,500
Optical viewfinder		Optical viewfinder
1.8" LCD – 118k dots		2.5" LCD – 230k dots
Fixed screen (not touch-sensitive)		Fixed screen (not touch-sensitive)
3 shutter flaps per second		2 shutter flaps per second
500 shots per battery charge		550 shots per battery charge
150 x 107 x 75 mm, 850 g		139 x 80 x 37 mm, 585 g

Check 10D offers at
ebay.com
Check M9 offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 10D and the Leica M9? 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 Canon 10D and the Leica M9. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

The M9 can be obtained in two different colors (black, silver), while the 10D is only available in black.

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Leica M9 is considerably smaller (31 percent) than the Canon 10D. Moreover, the M9 is markedly lighter (31 percent) than the 10D. In this context, it is worth noting that neither the 10D nor the M9 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 Canon EF Lens Catalog (10D) and the Leica M Lens Catalog (M9).

Concerning battery life, the 10D gets 500 shots out of its Canon BP-511 battery, while the M9 can take 550 images on a single charge of its Leica BLI-312 power pack.

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.

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 10D	150 mm	107 mm	75 mm	850 g	500	n	Feb 2003	1,999	ebay.com
2.		Leica M9	139 mm	80 mm	37 mm	585 g	550	n	Sep 2009	7,999	ebay.com
3.		Canon 7D II	149 mm	112 mm	78 mm	910 g	670	Y	Sep 2014	1,799	ebay.com
4.		Canon 70D	139 mm	104 mm	79 mm	755 g	920	Y	Jul 2013	1,199	ebay.com
5.		Canon 60D	145 mm	106 mm	79 mm	755 g	1100	Y	Aug 2010	1,399	ebay.com
6.		Canon 550D	129 mm	98 mm	62 mm	530 g	440	n	Feb 2010	699	ebay.com
7.		Canon 7D	148 mm	111 mm	74 mm	860 g	800	Y	Sep 2009	1,699	ebay.com
8.		Canon 40D	146 mm	108 mm	74 mm	822 g	750	n	Aug 2007	1,299	ebay.com
9.		Canon 30D	144 mm	106 mm	74 mm	785 g	750	n	Feb 2006	1,399	ebay.com
10.		Canon 20D	144 mm	106 mm	72 mm	770 g	700	n	Aug 2004	1,499	ebay.com
11.		Canon 300D	142 mm	99 mm	72 mm	649 g	400	n	Aug 2003	899	ebay.com
12.		Canon D60	150 mm	107 mm	75 mm	855 g	620	n	Feb 2002	2,999	ebay.com
13.		Leica M10	139 mm	80 mm	39 mm	660 g	210	Y	Jan 2017	6,595	ebay.com
14.		Leica X Vario	133 mm	73 mm	95 mm	680 g	450	n	Jun 2013	2,850	ebay.com
15.		Leica M Typ 240	139 mm	80 mm	42 mm	680 g	500	Y	Sep 2012	6,950	ebay.com
16.		Leica M8	139 mm	80 mm	37 mm	591 g	550	n	Sep 2006	5,499	ebay.com
17.		Nikon D100	144 mm	116 mm	81 mm	780 g	370	n	Feb 2002	1,999	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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The 10D was launched at a markedly lower price (by 75 percent) than the M9, 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon 10D features an APS-C sensor and the Leica M9 a full frame sensor. The sensor area in the M9 is 152 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

With 18.1MP, the M9 offers a higher resolution than the 10D (6.3MP), but the M9 has smaller individual pixels (pixel pitch of 6.91μm versus 7.38μm for the 10D). Yet, the M9 is a much more recent model (by 6 years and 6 months) than the 10D, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the M9 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Leica M9 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the M9 for good quality output (200 dots per inch) amounts to 26.1 x 17.4 inches or 66.2 x 44.1 cm, for very good quality (250 dpi) 20.8 x 13.9 inches or 53 x 35.3 cm, and for excellent quality (300 dpi) 17.4 x 11.6 inches or 44.1 x 29.4 cm. The corresponding values for the Canon 10D are 15.4 x 10.2 inches or 39 x 26 cm for good quality, 12.3 x 8.2 inches or 31.2 x 20.8 cm for very good quality, and 10.2 x 6.8 inches or 26 x 17.3 cm for excellent quality prints.

The Canon EOS 10D has a native sensitivity range from ISO 100 to ISO 3200. The corresponding ISO settings for the Leica M9 are ISO 80 to ISO 2500 (no boost).

In terms of underlying technology, the 10D is build around a CMOS sensor, while the M9 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.

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 M9 offers substantially better image quality than the 10D (overall score 12 points higher). The advantage is based on 1.4 bits higher color depth, 0.8 EV in additional dynamic range, and 0.6 stops in additional low light sensitivity. 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 10D	APS-C	6.3	3072	2048	none	21.1	10.9	571	57
2.		Leica M9	Full Frame	18.1	5212	3472	none	22.5	11.7	884	69
3.		Canon 7D II	APS-C	20.0	5472	3648	1080/60p	22.4	11.8	1082	70
4.		Canon 70D	APS-C	20.0	5472	3648	1080/30p	22.5	11.6	926	68
5.		Canon 60D	APS-C	17.9	5184	3456	1080/30p	22.2	11.5	813	66
6.		Canon 550D	APS-C	17.9	5184	3456	1080/30p	22.1	11.5	784	66
7.		Canon 7D	APS-C	17.9	5184	3456	1080/30p	22.0	11.7	854	66
8.		Canon 40D	APS-C	10.1	3888	2592	none	22.1	11.3	703	64
9.		Canon 30D	APS-C	8.2	3504	2336	none	21.5	10.8	736	59
10.		Canon 20D	APS-C	8.2	3504	2336	none	21.9	11.0	721	62
11.		Canon 300D	APS-C	6.3	3072	2048	none	21.0	10.8	544	55
12.		Canon D60	APS-C	6.3	3072	2048	none	20.3	9.8	301	47
13.		Leica M10	Full Frame	23.8	5952	3992	none	24.4	13.2	2133	86
14.		Leica X Vario	APS-C	16.1	4928	3272	1080/30p	23.4	12.7	1320	78
15.		Leica M Typ 240	Full Frame	23.7	5952	3976	1080/25p	24.0	13.3	1860	84
16.		Leica M8	APS-H	10.4	3936	2630	none	21.1	11.3	663	59
17.		Nikon D100	APS-C	6.0	3008	2000	none	20.4	9.9	394	48
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 variety of features. The 10D and the M9 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 M9 offers a wider field of view (100%) than the one in the 10D (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the M9 has a higher magnification (0.68x vs 0.55x), 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 10D and Leica M9 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.		Canon 10D	optical	Y	1.8 / 118	fixed	n	1/4000s	3.0/s	Y	n
2.		Leica M9	optical	n	2.5 / 230	fixed	n	1/4000s	2.0/s	n	n
3.		Canon 7D II	optical	Y	3.0 / 1040	fixed	n	1/8000s	10.0/s	Y	n
4.		Canon 70D	optical	Y	3.0 / 1040	swivel	Y	1/8000s	7.0/s	Y	n
5.		Canon 60D	optical	Y	3.0 / 1040	swivel	n	1/8000s	5.3/s	Y	n
6.		Canon 550D	optical	n	3.0 / 1040	fixed	n	1/4000s	3.7/s	Y	n
7.		Canon 7D	optical	Y	3.0 / 920	fixed	n	1/8000s	8.0/s	Y	n
8.		Canon 40D	optical	Y	3.0 / 230	fixed	n	1/8000s	6.5/s	Y	n
9.		Canon 30D	optical	Y	2.5 / 230	fixed	n	1/8000s	5.0/s	Y	n
10.		Canon 20D	optical	Y	1.8 / 118	fixed	n	1/8000s	5.0/s	Y	n
11.		Canon 300D	optical	n	1.8 / 118	fixed	n	1/4000s	2.5/s	Y	n
12.		Canon D60	optical	Y	1.8 / 114	fixed	n	1/4000s	3.0/s	Y	n
13.		Leica M10	optical	n	3.0 / 1037	fixed	n	1/4000s	5.0/s	n	n
14.		Leica X Vario	optional	n	3.0 / 920	fixed	n	1/2000s	5.0/s	Y	n
15.		Leica M Typ 240	optical	n	3.0 / 920	fixed	n	1/4000s	3.0/s	n	n
16.		Leica M8	optical	n	2.5 / 230	fixed	n	1/8000s	2.0/s	n	n
17.		Nikon D100	optical	Y	1.8 / 118	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 difference between the cameras concerns the presence of an on-board flash. The 10D has one, while the M9 does not. While the built-in flash of the 10D is not very powerful, it can at times be useful as a fill-in light.

The 10D writes its imaging data to Compact Flash cards, while the M9 uses SDXC cards.

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 10D and Leica M9 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 10D	Y	- / -	-	-	-	1.1	-	-	-
2.		Leica M9	Y	- / -	-	-	-	2.0	-	-	-
3.		Canon 7D II	Y	stereo / mono	Y	Y	mini	3.0	-	-	-
4.		Canon 70D	Y	stereo / mono	Y	-	mini	2.0	Y	-	-
5.		Canon 60D	Y	mono / mono	Y	-	mini	2.0	-	-	-
6.		Canon 550D	Y	stereo / -	Y	-	mini	2.0	-	-	-
7.		Canon 7D	Y	mono / -	Y	-	mini	2.0	-	-	-
8.		Canon 40D	Y	- / -	-	-	-	2.0	-	-	-
9.		Canon 30D	Y	- / -	-	-	-	2.0	-	-	-
10.		Canon 20D	Y	- / -	-	-	-	1.1	-	-	-
11.		Canon 300D	Y	- / -	-	-	-	1.1	-	-	-
12.		Canon D60	Y	- / -	-	-	-	1.1	-	-	-
13.		Leica M10	Y	- / -	-	-	-	-	Y	-	-
14.		Leica X Vario	Y	stereo / mono	-	-	mini	2.0	-	-	-
15.		Leica M Typ 240	Y	stereo / mono	-	-	-	2.0	-	-	-
16.		Leica M8	Y	- / -	-	-	-	2.0	-	-	-
17.		Nikon D100	Y	- / -	-	-	-	1.1	-	-	-

Studio photographers will appreciate that the Canon 10D (unlike the M9) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 10D and the M9 have been discontinued, but can regularly be found used on ebay. The 10D was replaced by the Canon 20D, while the M9 was followed by the Leica M Typ 240. Further information on the features and operation of the 10D and M9 can be found, respectively, in the Canon 10D Manual (free pdf) or the online Leica M9 Manual.

Review summary

So what is the bottom line? Is the Canon 10D better than the Leica M9 or vice versa? The listing below highlights the relative strengths of the two models.

Reasons to prefer the Canon EOS 10D:

• Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
• Easier setting verification: Features an LCD display on top to control shooting parameters.
• Faster burst: Shoots at higher frequency (3 vs 2 flaps/sec) to capture the decisive moment.
• Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
• Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
• More affordable: Was introduced into a lower priced category (75 percent cheaper at launch).
• More heavily discounted: Has been available for much longer (launched in February 2003).

Arguments in favor of the Leica M9:

• More detail: Has more megapixels (18.1 vs 6.3MP), which boosts linear resolution by 70%.
• Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
• Better image quality: Scores substantially higher (12 points) in the DXO overall evaluation.
• Richer colors: Generates noticeably more natural colors (1.4 bits more color depth).
• More dynamic range: Captures a broader range of light and dark details (0.8 EV of extra DR).
• Better low-light sensitivity: Can shoot in dim conditions (0.6 stops ISO advantage).
• 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 0.55x).
• Larger screen: Has a bigger rear LCD (2.5" vs 1.8") for image review and settings control.
• More detailed LCD: Has a higher resolution rear screen (230k vs 118k dots).
• More compact: Is smaller (139x80mm vs 150x107mm) and will fit more readily into a bag.
• Less heavy: Has a lower weight (by 265g or 31 percent) and is thus easier to take along.
• Faster data transfer: Supports a more advanced USB protocol (2.0 vs 1.1).
• More prestigious: Has the Leica luxury appeal, which ensures a high resale value.
• More modern: Reflects 6 years and 6 months of technical progress since the 10D launch.

If the count of relative strengths (bullet points above) is taken as a measure, the M9 is the clear winner of the contest (15 : 7 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 10D or the M9. 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 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.

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 10D	..	..	..	+ +	..	..	Feb 2003	1,999	ebay.com
2.		Leica M9	..	..	..	..	4.5/5	..	Sep 2009	7,999	ebay.com
3.		Canon 7D II	4.5/5	+	3.5/5	84/100	4/5	4.5/5	Sep 2014	1,799	ebay.com
4.		Canon 70D	5/5	+ +	..	83/100	4.5/5	5/5	Jul 2013	1,199	ebay.com
5.		Canon 60D	5/5	+	..	79/100	4/5	4.5/5	Aug 2010	1,399	ebay.com
6.		Canon 550D	..	+ +	..	77/100	4/5	4.5/5	Feb 2010	699	ebay.com
7.		Canon 7D	5/5	+ +	..	84/100	4.5/5	4.5/5	Sep 2009	1,699	ebay.com
8.		Canon 40D	..	+ +	..	+ +	4.5/5	4.5/5	Aug 2007	1,299	ebay.com
9.		Canon 30D	..	+ +	..	+ +	o	..	Feb 2006	1,399	ebay.com
10.		Canon 20D	..	..	..	+ +	..	..	Aug 2004	1,499	ebay.com
11.		Canon 300D	..	..	..	+ +	..	..	Aug 2003	899	ebay.com
12.		Canon D60	..	..	..	+ +	o	..	Feb 2002	2,999	ebay.com
13.		Leica M10	4.5/5	..	..	..	4/5	4.5/5	Jan 2017	6,595	ebay.com
14.		Leica X Vario	3/5	..	..	..	4/5	4/5	Jun 2013	2,850	ebay.com
15.		Leica M Typ 240	4/5	..	..	..	4/5	..	Sep 2012	6,950	ebay.com
16.		Leica M8	..	..	..	+ +	..	..	Sep 2006	5,499	ebay.com
17.		Nikon D100	..	..	..	+ +	o	..	Feb 2002	1,999	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. Thus, a score needs to be put into the context of the launch date and the launch price 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.

Check 10D offers at
ebay.com
Check M9 offers at
ebay.com

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 use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

~

Check 10D offers at
ebay.com
Check M9 offers at
ebay.com

Did you notice an error on this page? If so, please get in touch, so that we can correct the information.