Leica Digilux 3 vs M8

The Leica Digilux 3 and the Leica M8 are two digital cameras that were announced in September 2006. The Digilux 3 is a DSLR, while the M8 is a rangefinder-focusing mirrorless camera. The cameras are based on a Four Thirds (Digilux 3) and an APS-H (M8) sensor. The Digilux 3 has a resolution of 7.4 megapixels, whereas the M8 provides 10.4 MP.

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

Headline Specifications

Leica Digilux 3		Leica M8
Digital single lens reflex		Rangefinder camera
Four Thirds lenses		Leica M mount lenses
7.4 MP – Four Thirds sensor		10.4 MP – APS-H sensor
no Video		no Video
ISO 100-1,600		ISO 160-2,500
Optical viewfinder		Optical viewfinder
2.5" LCD – 207k 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
750 shots per battery charge		550 shots per battery charge
146 x 87 x 77 mm, 606 g		139 x 80 x 37 mm, 591 g

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Going beyond this snapshot of core features and characteristics, what are the differences between the Leica Digilux 3 and the Leica M8? 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

An illustration of the physical size and weight of the Leica Digilux 3 and the Leica M8 is provided in the side-by-side display below. 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 M8 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 M8 is notably smaller (12 percent) than the Leica Digilux 3. Moreover, the M8 is slightly lighter (2 percent) than the Digilux 3. In this context, it is worth noting that neither the Digilux 3 nor the M8 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 (Digilux 3) and the Leica M Lens Catalog (M8).

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 Digilux 3	146 mm	87 mm	77 mm	606 g	750	n	Sep 2006	1,499	ebay.com
2.		Leica M8	139 mm	80 mm	37 mm	591 g	550	n	Sep 2006	5,499	ebay.com
3.		Canon 30D	144 mm	106 mm	74 mm	785 g	750	n	Feb 2006	1,399	ebay.com
4.		Canon XT	127 mm	94 mm	64 mm	540 g	400	n	Feb 2005	899	ebay.com
5.		Canon XTi	127 mm	84 mm	65 mm	556 g	370	n	Aug 2006	799	ebay.com
6.		Leica M9	139 mm	80 mm	37 mm	585 g	550	n	Sep 2009	7,999	ebay.com
7.		Leica M10	139 mm	80 mm	39 mm	660 g	210	Y	Jan 2017	6,595	ebay.com
8.		Leica V-LUX 1	141 mm	86 mm	142 mm	734 g	360	n	Sep 2006	849	ebay.com
9.		Nikon D80	132 mm	103 mm	77 mm	668 g	600	n	Aug 2006	999	ebay.com
10.		Olympus E-30	142 mm	108 mm	75 mm	701 g	750	n	Nov 2008	1,299	ebay.com
11.		Olympus E-300	147 mm	85 mm	64 mm	624 g	750	n	Sep 2004	799	ebay.com
12.		Olympus E-330	140 mm	87 mm	72 mm	637 g	750	n	Jan 2006	999	ebay.com
13.		Olympus E-500	130 mm	95 mm	66 mm	479 g	750	n	Sep 2005	599	ebay.com
14.		Panasonic L1	146 mm	87 mm	64 mm	606 g	750	n	Feb 2006	999	ebay.com
15.		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 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 Digilux 3 was launched at a markedly lower price (by 73 percent) than the M8, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to 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 Leica Digilux 3 features a Four Thirds sensor and the Leica M8 an APS-H sensor. The sensor area in the M8 is 116 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.3. The sensor in the Digilux 3 has a native 4:3 aspect ratio, while the one in the M8 offers a 3:2 aspect.

With 10.4MP, the M8 offers a higher resolution than the Digilux 3 (7.4MP), but the M8 nevertheless has larger individual pixels (pixel pitch of 6.84μm versus 5.51μm for the Digilux 3) 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. Coming back to sensor resolution, it should be mentioned that the M8 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Leica M8 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the M8 for good quality output (200 dots per inch) amounts to 19.7 x 13.2 inches or 50 x 33.4 cm, for very good quality (250 dpi) 15.7 x 10.5 inches or 40 x 26.7 cm, and for excellent quality (300 dpi) 13.1 x 8.8 inches or 33.3 x 22.3 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 Digilux 3 has a native sensitivity range from ISO 100 to ISO 1600. The corresponding ISO settings for the Leica M8 are ISO 160 to ISO 2500 (no boost).

In terms of underlying technology, the Digilux 3 is build around a CMOS sensor, while the M8 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 determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). 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.		Leica Digilux 3	Four Thirds	7.4	3136	2352	none	21.0	10.6	127	53
2.		Leica M8	APS-H	10.4	3936	2630	none	21.1	11.3	663	59
3.		Canon 30D	APS-C	8.2	3504	2336	none	21.5	10.8	736	59
4.		Canon XT	APS-C	8.0	3456	2304	none	21.8	10.8	637	60
5.		Canon XTi	APS-C	10.1	3888	2592	none	22.1	11.0	664	62
6.		Leica M9	Full Frame	18.1	5212	3472	none	22.5	11.7	884	69
7.		Leica M10	Full Frame	23.8	5952	3992	none	24.4	13.2	2133	86
8.		Leica V-LUX 1	1/1.8	10.0	3648	2736	480/30p	18.4	9.5	-727	29
9.		Nikon D80	APS-C	10.0	3872	2592	none	22.1	11.2	524	61
10.		Olympus E-30	Four Thirds	12.2	4032	3024	none	21.3	10.4	530	55
11.		Olympus E-300	Four Thirds	8.0	3264	2448	none	20.4	10.1	-40	48
12.		Olympus E-330	Four Thirds	7.4	3136	2352	none	20.8	10.4	73	52
13.		Olympus E-500	Four Thirds	8.0	3264	2448	none	20.7	10.3	45	51
14.		Panasonic L1	Four Thirds	7.4	3136	2352	none	20.8	10.4	80	52
15.		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 Digilux 3 and the M8 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 adjacent table lists some of the other core features of the Leica Digilux 3 and Leica M8 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 Digilux 3	optical	n	2.5 / 207	fixed	n	1/4000s	3.0/s	Y	n
2.		Leica M8	optical	n	2.5 / 230	fixed	n	1/8000s	2.0/s	n	n
3.		Canon 30D	optical	Y	2.5 / 230	fixed	n	1/8000s	5.0/s	Y	n
4.		Canon XT	optical	n	1.8 / 115	fixed	n	1/4000s	3.0/s	Y	n
5.		Canon XTi	optical	n	2.5 / 230	fixed	n	1/4000s	3.0/s	Y	n
6.		Leica M9	optical	n	2.5 / 230	fixed	n	1/4000s	2.0/s	n	n
7.		Leica M10	optical	n	3.0 / 1037	fixed	n	1/4000s	5.0/s	n	n
8.		Leica V-LUX 1	235	n	2.0 / 207	tilting	n	1/2000s	2.0/s	Y	Y
9.		Nikon D80	optical	n	2.5 / 230	fixed	n	1/4000s	3.0/s	Y	n
10.		Olympus E-30	optical	Y	2.7 / 230	swivel	n	1/8000s	5.0/s	Y	Y
11.		Olympus E-300	optical	n	1.8 / 134	fixed	n	1/4000s	2.5/s	Y	n
12.		Olympus E-330	optical	n	2.5 / 215	tilting	n	1/4000s	3.0/s	Y	n
13.		Olympus E-500	optical	n	2.5 / 215	fixed	n	1/4000s	2.5/s	Y	n
14.		Panasonic L1	optical	n	2.5 / 207	fixed	n	1/4000s	3.0/s	Y	n
15.		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 difference between the cameras concerns the presence of an on-board flash. The Digilux 3 has one, while the M8 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 Digilux 3 and the M8 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 Digilux 3 and Leica M8 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 Digilux 3	Y	stereo / mono	-	-	-	2.0	-	-	-
2.		Leica M8	Y	- / -	-	-	-	2.0	-	-	-
3.		Canon 30D	Y	- / -	-	-	-	2.0	-	-	-
4.		Canon XT	Y	- / -	-	-	-	2.0	-	-	-
5.		Canon XTi	Y	- / -	-	-	-	2.0	-	-	-
6.		Leica M9	Y	- / -	-	-	-	2.0	-	-	-
7.		Leica M10	Y	- / -	-	-	-	-	Y	-	-
8.		Leica V-LUX 1	Y	mono / mono	-	-	-	2.0	-	-	-
9.		Nikon D80	Y	- / -	-	-	-	2.0	-	-	-
10.		Olympus E-30	Y	- / -	-	-	-	2.0	-	-	-
11.		Olympus E-300	Y	- / -	-	-	-	2.0	-	-	-
12.		Olympus E-330	Y	- / -	-	-	-	2.0	-	-	-
13.		Olympus E-500	Y	- / -	-	-	-	2.0	-	-	-
14.		Panasonic L1	Y	- / -	-	-	-	2.0	-	-	-
15.		Panasonic L10	Y	- / -	-	-	-	2.0	-	-	-

Both the Digilux 3 and the M8 have been discontinued, but can regularly be found used on ebay. The M8 was replaced by the Leica M9, while the Digilux 3 does not have a direct successor. Further information on the features and operation of the Digilux 3 and M8 can be found, respectively, in the Leica Digilux 3 Manual (free pdf) or the online Leica M8 Manual.

Review summary

So what conclusions can be drawn? Is the Leica Digilux 3 better than the Leica M8 or vice versa? The listing below highlights the relative strengths of the two models.

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: Can take more shots (750 versus 550) on a single battery charge.
• Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
• More affordable: Was introduced into a lower priced category (73 percent cheaper at launch).

Arguments in favor of the Leica M8:

• More detail: Has more megapixels (10.4 vs 7.4MP), which boosts linear resolution by 21%.
• Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
• 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.
• Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
• More compact: Is smaller (139x80mm vs 146x87mm) and will fit more readily into a bag.

If the number of relative strengths (bullet points above) is taken as a guide, the M8 emerges as the winner of the match-up (8 : 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 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 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 Digilux 3 or the M8 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 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.		Leica Digilux 3	..	..	..	..	..	..	Sep 2006	1,499	ebay.com
2.		Leica M8	..	..	..	+ +	..	..	Sep 2006	5,499	ebay.com
3.		Canon 30D	..	+ +	..	+ +	o	..	Feb 2006	1,399	ebay.com
4.		Canon XT	..	80/100	..	+ +	o	..	Feb 2005	899	ebay.com
5.		Canon XTi	..	+ +	..	+ +	o	4/5	Aug 2006	799	ebay.com
6.		Leica M9	..	..	..	..	4.5/5	..	Sep 2009	7,999	ebay.com
7.		Leica M10	4.5/5	..	..	..	4/5	4.5/5	Jan 2017	6,595	ebay.com
8.		Leica V-LUX 1	..	..	..	..	..	..	Sep 2006	849	ebay.com
9.		Nikon D80	..	+	..	+ +	o	4.5/5	Aug 2006	999	ebay.com
10.		Olympus E-30	..	..	..	71/100	4.5/5	4/5	Nov 2008	1,299	ebay.com
11.		Olympus E-300	..	..	..	+	o	4.5/5	Sep 2004	799	ebay.com
12.		Olympus E-330	..	..	..	+	o	..	Jan 2006	999	ebay.com
13.		Olympus E-500	..	76/100	..	+ +	..	..	Sep 2005	599	ebay.com
14.		Panasonic L1	..	85/100	..	+	..	3.5/5	Feb 2006	999	ebay.com
15.		Panasonic L10	..	85/100	..	+	3.5/5	4/5	Aug 2007	599	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. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date 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? If you would like to see a different side-by-side camera review, just use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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