Leica M9 vs Digilux 3

The Leica M9 and the Leica Digilux 3 are two digital cameras that were announced, respectively, in September 2009 and September 2006. The M9 is a rangefinder-focusing mirrorless camera, while the Digilux 3 is a DSLR. The cameras are based on a full frame (M9) and a Four Thirds (Digilux 3) sensor. The M9 has a resolution of 18.1 megapixels, whereas the Digilux 3 provides 7.4 MP.

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

Headline Specifications

Leica M9		Leica Digilux 3
Rangefinder camera		Digital single lens reflex
Leica M mount lenses		Four Thirds lenses
18.1 MP – Full Frame sensor		7.4 MP – Four Thirds sensor
no Video		no Video
ISO 80-2,500		ISO 100-1,600
Optical viewfinder		Optical viewfinder
2.5" LCD – 230k dots		2.5" LCD – 207k dots
Fixed screen (not touch-sensitive)		Fixed screen (not touch-sensitive)
2 shutter flaps per second		3 shutter flaps per second
550 shots per battery charge		750 shots per battery charge
139 x 80 x 37 mm, 585 g		146 x 87 x 77 mm, 606 g

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Going beyond this snapshot of core features and characteristics, what are the differences between the Leica M9 and the Leica Digilux 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.

Body comparison

The side-by-side display below illustrates the physical size and weight of the Leica M9 and the Leica Digilux 3. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

The M9 can be obtained in two different colors (black, silver), while the Digilux 3 is only available in silver.

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Leica Digilux 3 is notably larger (14 percent) than the Leica M9. Moreover, the Digilux 3 is slightly heavier (4 percent) than the M9. In this context, it is worth noting that neither the M9 nor the Digilux 3 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 Leica M Lens Catalog (M9) and the Four Thirds Lens Catalog (Digilux 3).

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras 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.		Leica M9	139 mm	80 mm	37 mm	585 g	550	n	Sep 2009	7,999	ebay.com
2.		Leica Digilux 3	146 mm	87 mm	77 mm	606 g	750	n	Sep 2006	1,499	ebay.com
3.		Canon T2i	129 mm	98 mm	62 mm	530 g	440	n	Feb 2010	699	ebay.com
4.		Canon T1i	129 mm	98 mm	62 mm	520 g	400	n	Mar 2009	799	ebay.com
5.		Leica M11	139 mm	80 mm	39 mm	640 g	700	Y	Jan 2022	8,995	amazon.com
6.		Leica M10-R	139 mm	80 mm	39 mm	660 g	210	Y	Jul 2020	8,295	ebay.com
7.		Leica M10-P	139 mm	80 mm	39 mm	660 g	210	Y	Aug 2018	7,995	ebay.com
8.		Leica M10	139 mm	80 mm	39 mm	660 g	210	Y	Jan 2017	6,595	ebay.com
9.		Leica X Typ 113	133 mm	73 mm	78 mm	486 g	350	n	Sep 2014	2,295	ebay.com
10.		Leica X Vario	133 mm	73 mm	95 mm	680 g	450	n	Jun 2013	2,850	ebay.com
11.		Leica M Typ 240	139 mm	80 mm	42 mm	680 g	500	Y	Sep 2012	6,950	ebay.com
12.		Leica M8	139 mm	80 mm	37 mm	591 g	550	n	Sep 2006	5,499	ebay.com
13.		Olympus E-330	140 mm	87 mm	72 mm	637 g	750	n	Jan 2006	999	ebay.com
14.		Olympus E-500	130 mm	95 mm	66 mm	479 g	750	n	Sep 2005	599	ebay.com
15.		Olympus E-300	147 mm	85 mm	64 mm	624 g	750	n	Sep 2004	799	ebay.com
16.		Panasonic L10	135 mm	96 mm	78 mm	556 g	450	n	Aug 2007	599	ebay.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 obviously take relative prices into account. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The Digilux 3 was launched at a markedly lower price (by 81 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. 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 generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Leica M9 features a full frame sensor and the Leica Digilux 3 a Four Thirds sensor. The sensor area in the Digilux 3 is 74 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 2.0. The sensor in the M9 has a native 3:2 aspect ratio, while the one in the Digilux 3 offers a 4:3 aspect.

With 18.1MP, the M9 offers a higher resolution than the Digilux 3 (7.4MP), but the M9 nevertheless has larger individual pixels (pixel pitch of 6.91μm versus 5.51μm for the Digilux 3) due to its larger sensor. Moreover, the M9 is a much more recent model (by 2 years and 11 months) than the Digilux 3, 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 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 Leica Digilux 3 are 15.7 x 11.8 inches or 39.8 x 29.9 cm for good quality, 12.5 x 9.4 inches or 31.9 x 23.9 cm for very good quality, and 10.5 x 7.8 inches or 26.6 x 19.9 cm for excellent quality prints.

The Leica M9 has a native sensitivity range from ISO 80 to ISO 2500. The corresponding ISO settings for the Leica Digilux 3 are ISO 100 to ISO 1600 (no boost).

In terms of underlying technology, the M9 is build around a CCD sensor, while the Digilux 3 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.

For many cameras, data on sensor performance has been reported by DXO Mark. 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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

Sensor Characteristics

#		Camera Model	Sensor Class	Resolution (MP)	Horiz. Pixels	Vert. Pixels	Video Format	DXO Portrait	DXO Landscape	DXO Sports	DXO Overall
1.		Leica M9	Full Frame	18.1	5212	3472	none	22.5	11.7	884	69
2.		Leica Digilux 3	Four Thirds	7.4	3136	2352	none	21.0	10.6	127	53
3.		Canon T2i	APS-C	17.9	5184	3456	1080/30p	22.1	11.5	784	66
4.		Canon T1i	APS-C	15.1	4752	3168	1080/20p	21.7	11.5	663	63
5.		Leica M11	Full Frame	60.3	9528	6328	none	26.3	14.8	3376	100
6.		Leica M10-R	Full Frame	40.9	7864	5200	none	25.3	14.3	2924	95
7.		Leica M10-P	Full Frame	23.8	5952	3992	none	25.1	14.1	2739	93
8.		Leica M10	Full Frame	23.8	5952	3992	none	24.4	13.2	2133	86
9.		Leica X Typ 113	APS-C	16.1	4928	3264	1080/30p	23.6	12.8	1491	78
10.		Leica X Vario	APS-C	16.1	4928	3272	1080/30p	23.4	12.7	1320	78
11.		Leica M Typ 240	Full Frame	23.7	5952	3976	1080/25p	24.0	13.3	1860	84
12.		Leica M8	APS-H	10.4	3936	2630	none	21.1	11.3	663	59
13.		Olympus E-330	Four Thirds	7.4	3136	2352	none	20.8	10.4	73	52
14.		Olympus E-500	Four Thirds	8.0	3264	2448	none	20.7	10.3	45	51
15.		Olympus E-300	Four Thirds	8.0	3264	2448	none	20.4	10.1	-40	48
16.		Panasonic L10	Four Thirds	10.0	3648	2736	none	21.3	10.8	429	55
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.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The M9 and the Digilux 3 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 Digilux 3 (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 0.47x), 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 Leica M9 and Leica Digilux 3 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.		Leica M9	optical	n	2.5 / 230	fixed	n	1/4000s	2.0/s	n	n
2.		Leica Digilux 3	optical	n	2.5 / 207	fixed	n	1/4000s	3.0/s	Y	n
3.		Canon T2i	optical	n	3.0 / 1040	fixed	n	1/4000s	3.7/s	Y	n
4.		Canon T1i	optical	n	3.0 / 920	fixed	n	1/4000s	3.4/s	Y	n
5.		Leica M11	optical	n	3.0 / 2333	fixed	Y	1/4000s	4.5/s	n	n
6.		Leica M10-R	optical	n	3.0 / 1037	fixed	Y	1/4000s	4.5/s	n	n
7.		Leica M10-P	optical	n	3.0 / 1037	fixed	Y	1/4000s	5.0/s	n	n
8.		Leica M10	optical	n	3.0 / 1037	fixed	n	1/4000s	5.0/s	n	n
9.		Leica X Typ 113	optional	n	3.0 / 920	fixed	n	1/2000s	5.0/s	Y	n
10.		Leica X Vario	optional	n	3.0 / 920	fixed	n	1/2000s	5.0/s	Y	n
11.		Leica M Typ 240	optical	n	3.0 / 920	fixed	n	1/4000s	3.0/s	n	n
12.		Leica M8	optical	n	2.5 / 230	fixed	n	1/8000s	2.0/s	n	n
13.		Olympus E-330	optical	n	2.5 / 215	tilting	n	1/4000s	3.0/s	Y	n
14.		Olympus E-500	optical	n	2.5 / 215	fixed	n	1/4000s	2.5/s	Y	n
15.		Olympus E-300	optical	n	1.8 / 134	fixed	n	1/4000s	2.5/s	Y	n
16.		Panasonic L10	optical	n	2.5 / 207	swivel	n	1/4000s	3.0/s	Y	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 difference between the cameras concerns the presence of an on-board flash. The Digilux 3 has one, while the M9 does not. While the built-in flash of the Digilux 3 is not very powerful, it can at times be useful as a fill-in light.

Concerning the storage of imaging data, both the M9 and the Digilux 3 write their files to 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 Leica M9 and Leica Digilux 3 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.		Leica M9	Y	- / -	-	-	-	2.0	-	-	-
2.		Leica Digilux 3	Y	stereo / mono	-	-	-	2.0	-	-	-
3.		Canon T2i	Y	stereo / -	Y	-	mini	2.0	-	-	-
4.		Canon T1i	Y	mono / mono	-	-	mini	2.0	-	-	-
5.		Leica M11	Y	- / -	-	-	-	3.2	Y	-	Y
6.		Leica M10-R	Y	- / -	-	-	-	-	Y	-	-
7.		Leica M10-P	Y	- / -	-	-	-	-	Y	-	-
8.		Leica M10	Y	- / -	-	-	-	-	Y	-	-
9.		Leica X Typ 113	Y	stereo / mono	-	-	mini	2.0	-	-	-
10.		Leica X Vario	Y	stereo / mono	-	-	mini	2.0	-	-	-
11.		Leica M Typ 240	Y	stereo / mono	-	-	-	2.0	-	-	-
12.		Leica M8	Y	- / -	-	-	-	2.0	-	-	-
13.		Olympus E-330	Y	- / -	-	-	-	2.0	-	-	-
14.		Olympus E-500	Y	- / -	-	-	-	2.0	-	-	-
15.		Olympus E-300	Y	- / -	-	-	-	2.0	-	-	-
16.		Panasonic L10	Y	- / -	-	-	-	2.0	-	-	-
17.		Panasonic L1	Y	- / -	-	-	-	2.0	-	-	-

Both the M9 and the Digilux 3 have been discontinued, but can regularly be found used on ebay. The M9 was replaced by the Leica M Typ 240, while the Digilux 3 does not have a direct successor. Further information on the features and operation of the M9 and Digilux 3 can be found, respectively, in the Leica M9 Manual (free pdf) or the online Leica Digilux 3 Manual.

Review summary

So what is the bottom line? Which of the two cameras – the Leica M9 or the Leica Digilux 3 – 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.

Arguments in favor of the Leica M9:

• More detail: Offers more megapixels (18.1 vs 7.4MP) with a 60% higher linear resolution.
• Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
• 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.
• 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 0.47x).
• More detailed LCD: Has a higher resolution rear screen (230k vs 207k dots).
• More compact: Is smaller (139x80mm vs 146x87mm) and thus needs less room in the bag.
• More modern: Reflects 2 years and 11 months of technical progress since the Digilux 3 launch.

Advantages of the Leica Digilux 3:

• Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
• Faster burst: Shoots at higher frequency (3 vs 2 flaps/sec) to capture the decisive moment.
• Longer lasting: Gets more shots (750 versus 550) out of a single battery charge.
• Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
• More affordable: Was introduced into a lower priced category (81 percent cheaper at launch).
• More heavily discounted: Has been around for much longer (launched in September 2006).

If the count of relative strengths (bullet points above) is taken as a measure, the M9 is the clear winner of the match-up (11 : 6 points). 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.

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the M9 or the Digilux 3 perform in practice. 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 where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular 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.		Leica M9	..	..	..	..	4.5/5	..	Sep 2009	7,999	ebay.com
2.		Leica Digilux 3	..	..	..	..	..	..	Sep 2006	1,499	ebay.com
3.		Canon T2i	..	+ +	..	77/100	4/5	4.5/5	Feb 2010	699	ebay.com
4.		Canon T1i	..	+ +	..	74/100	4.5/5	4.5/5	Mar 2009	799	ebay.com
5.		Leica M11	4.5/5	..	4.5/5	..	4.5/5	4.5/5	Jan 2022	8,995	amazon.com
6.		Leica M10-R	4.5/5	..	4/5	..	..	4/5	Jul 2020	8,295	ebay.com
7.		Leica M10-P	..	..	3/5	..	..	4/5	Aug 2018	7,995	ebay.com
8.		Leica M10	4.5/5	..	..	..	4/5	4.5/5	Jan 2017	6,595	ebay.com
9.		Leica X Typ 113	3.5/5	..	..	..	3.5/5	4/5	Sep 2014	2,295	ebay.com
10.		Leica X Vario	3/5	..	..	..	4/5	4/5	Jun 2013	2,850	ebay.com
11.		Leica M Typ 240	4/5	..	..	..	4/5	..	Sep 2012	6,950	ebay.com
12.		Leica M8	..	..	..	+ +	..	..	Sep 2006	5,499	ebay.com
13.		Olympus E-330	..	..	..	+	o	..	Jan 2006	999	ebay.com
14.		Olympus E-500	..	76/100	..	+ +	..	..	Sep 2005	599	ebay.com
15.		Olympus E-300	..	..	..	+	o	4.5/5	Sep 2004	799	ebay.com
16.		Panasonic L10	..	85/100	..	+	3.5/5	4/5	Aug 2007	599	ebay.com
17.		Panasonic L1	..	85/100	..	+	..	3.5/5	Feb 2006	999	ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods 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? 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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