Canon 70D vs Leica CL

The Canon EOS 70D and the Leica CL (Typ 7323) are two digital cameras that were revealed to the public, respectively, in July 2013 and November 2017. The 70D is a DSLR, while the CL is a mirrorless interchangeable lens camera. Both cameras are equipped with an APS-C sensor. The Canon has a resolution of 20 megapixels, whereas the Leica provides 24.1 MP.

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

Headline Specifications

Canon 70D		Leica CL
Digital single lens reflex		Mirrorless system camera
Canon EF mount lenses		Leica T mount lenses
20 MP – APS-C sensor		24.1 MP – APS-C sensor
1080/30p Video		4K/30p Video
ISO 100-12,800 (100 - 25,600)		ISO 100-50,000
Optical viewfinder		Electronic viewfinder (2360k dots)
3.0" LCD – 1040k dots		3.0" LCD – 1040k dots
Swivel touchscreen		Fixed touchscreen
7 shutter flaps per second		10 shutter flaps per second
Weathersealed body		not weather sealed
920 shots per battery charge		220 shots per battery charge
139 x 104 x 79 mm, 755 g		131 x 78 x 45 mm, 403 g

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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 70D and the Leica CL (Typ 7323)? 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 70D and the Leica CL. 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.

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Leica CL is notably smaller (29 percent) than the Canon 70D. Moreover, the CL is substantially lighter (47 percent) than the 70D. It is worth mentioning in this context that the 70D is splash and dust resistant, while the CL does not feature any corresponding weather-sealing.

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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the 70D gets 920 shots out of its Canon LP-E6 battery, while the CL can take 220 images on a single charge of its Leica BP-DC12 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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.		Canon 70D	139 mm	104 mm	79 mm	755 g	920	Y	Jul 2013	EUR 1 099	ebay.com
2.		Leica CL	131 mm	78 mm	45 mm	403 g	220	n	Nov 2017	EUR 2 490	ebay.com
3.		Canon 6D	145 mm	111 mm	71 mm	770 g	1090	Y	Sep 2012	EUR 1 999	ebay.com
4.		Canon 7D	148 mm	111 mm	74 mm	860 g	800	Y	Sep 2009	EUR 1 499	ebay.com
5.		Canon 7D II	149 mm	112 mm	78 mm	910 g	670	Y	Sep 2014	EUR 1 699	ebay.com
6.		Canon 50D	146 mm	108 mm	74 mm	822 g	800	Y	Aug 2008	EUR 1 099	ebay.com
7.		Canon 60D	145 mm	106 mm	79 mm	755 g	1100	Y	Aug 2010	EUR 1 149	ebay.com
8.		Canon 80D	139 mm	105 mm	79 mm	730 g	960	Y	Feb 2016	EUR 1 285	ebay.com
9.		Canon G3 X	123 mm	77 mm	105 mm	733 g	300	Y	Jun 2015	EUR 899	ebay.com
10.		Canon M6	112 mm	68 mm	45 mm	390 g	295	n	Feb 2017	EUR 799	ebay.com
11.		Fujifilm X100F	127 mm	75 mm	52 mm	469 g	390	n	Jan 2017	EUR 1 399	ebay.com
12.		Leica C-LUX	113 mm	67 mm	46 mm	340 g	370	n	Jun 2018	EUR 970	ebay.com
13.		Leica TL	134 mm	69 mm	33 mm	384 g	400	n	Nov 2016	EUR 1 649	ebay.com
14.		Leica TL2	134 mm	69 mm	33 mm	399 g	250	n	Jul 2017	EUR 1 949	ebay.com
15.		Nikon D7100	136 mm	107 mm	76 mm	765 g	950	Y	Feb 2013	EUR 1 179	ebay.com
16.		Sony RX10	129 mm	88 mm	102 mm	813 g	420	Y	Oct 2013	EUR 1 199	ebay.com
17.		Sony RX10 II	129 mm	88 mm	102 mm	813 g	400	Y	Jun 2015	EUR 1 599	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

The price is, of course, an important factor in any camera decision. 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 70D was launched at a markedly lower price (by 57 percent) than the CL, 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. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the CL is 10 percent bigger. As a result of these sensor size differences, the cameras have format factors, respectively, of 1.6 (70D) and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

With 24.1MP, the CL offers a higher resolution than the 70D (20MP), but the CL has smaller individual pixels (pixel pitch of 3.92μm versus 4.11μm for the 70D). Yet, the CL is a much more recent model (by 4 years and 4 months) than the 70D, 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 CL has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Leica CL implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the CL for good quality output (200 dots per inch) amounts to 30.1 x 20.1 inches or 76.4 x 51 cm, for very good quality (250 dpi) 24.1 x 16.1 inches or 61.1 x 40.8 cm, and for excellent quality (300 dpi) 20 x 13.4 inches or 50.9 x 34 cm. The corresponding values for the Canon 70D are 27.4 x 18.2 inches or 69.5 x 46.3 cm for good quality, 21.9 x 14.6 inches or 55.6 x 37.1 cm for very good quality, and 18.2 x 12.2 inches or 46.3 x 30.9 cm for excellent quality prints.

The 70D has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS 70D has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 100-25600. The corresponding ISO settings for the Leica CL (Typ 7323) are ISO 100 to ISO 50000 (no boost).

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.

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.		Canon 70D	APS-C	20.0	5472	3648	1080/30p	22.5	11.6	926	68
2.		Leica CL	APS-C	24.1	6014	4014	4K/30p	24.0	13.3	1788	82
3.		Canon 6D	Full Frame	20.0	5472	3648	1080/30p	23.8	12.1	2340	82
4.		Canon 7D	APS-C	17.9	5184	3456	1080/30p	22.0	11.7	854	66
5.		Canon 7D II	APS-C	20.0	5472	3648	1080/60p	22.4	11.8	1082	70
6.		Canon 50D	APS-C	15.1	4752	3168	none	21.8	11.4	696	63
7.		Canon 60D	APS-C	17.9	5184	3456	1080/30p	22.2	11.5	813	66
8.		Canon 80D	APS-C	24.0	6000	4000	1080/60p	23.6	13.2	1135	79
9.		Canon G3 X	1-inch	20.0	5472	3648	1080/60p	21.4	12.3	521	63
10.		Canon M6	APS-C	24.0	6000	4000	1080/60p	23.4	12.6	1317	78
11.		Fujifilm X100F	APS-C	24.0	6000	4000	1080/60p	23.9	13.2	1704	81
12.		Leica C-LUX	1-inch	20.0	5472	3648	4K/30p	22.1	12.3	481	64
13.		Leica TL	APS-C	16.1	4928	3264	1080/30p	23.9	13.2	1690	81
14.		Leica TL2	APS-C	24.1	6014	4014	4K/30p	23.9	13.3	1753	82
15.		Nikon D7100	APS-C	24.0	6000	4000	1080/60p	24.2	13.7	1256	83
16.		Sony RX10	1-inch	20.0	5472	3648	1080/60p	22.9	12.6	474	69
17.		Sony RX10 II	1-inch	20.0	5472	3648	4K/30p	23.0	12.6	531	70
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the CL provides a better video resolution than the 70D. It can shoot movie footage at 4K/30p, while the Canon is limited to 1080/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the CL has an electronic viewfinder (2360k dots), while the 70D has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinder in the CL offers a wider field of view (100%) than the one in the 70D (98%), so that a larger proportion of the captured image is visible in the finder. On the other hand, the viewfinder of the 70D has a higher magnification (0.59x vs 0.49x), 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 70D and Leica CL 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 70D	optical	Y	3.0 / 1040	swivel	Y	1/8000s	7.0/s	Y	n
2.		Leica CL	2360	Y	3.0 / 1040	fixed	Y	1/8000s	10.0/s	n	n
3.		Canon 6D	optical	Y	3.0 / 1040	fixed	n	1/4000s	4.5/s	n	n
4.		Canon 7D	optical	Y	3.0 / 920	fixed	n	1/8000s	8.0/s	Y	n
5.		Canon 7D II	optical	Y	3.0 / 1040	fixed	n	1/8000s	10.0/s	Y	n
6.		Canon 50D	optical	Y	3.0 / 920	fixed	n	1/8000s	6.3/s	Y	n
7.		Canon 60D	optical	Y	3.0 / 1040	swivel	n	1/8000s	5.3/s	Y	n
8.		Canon 80D	optical	Y	3.0 / 1040	swivel	Y	1/8000s	7.0/s	Y	n
9.		Canon G3 X	optional	n	3.2 / 1620	tilting	Y	1/2000s	5.9/s	Y	Y
10.		Canon M6	optional	n	3.0 / 1040	tilting	Y	1/4000s	9.0/s	Y	n
11.		Fujifilm X100F	2360	n	3.0 / 1040	fixed	n	1/4000s	8.0/s	Y	n
12.		Leica C-LUX	2330	n	3.0 / 1240	fixed	Y	1/2000s	10.0/s	Y	Y
13.		Leica TL	optional	n	3.7 / 1230	fixed	Y	1/4000s	5.0/s	Y	n
14.		Leica TL2	optional	n	3.7 / 1230	fixed	Y	1/4000s	7.0/s	n	n
15.		Nikon D7100	optical	Y	3.2 / 1229	fixed	n	1/8000s	6.0/s	Y	n
16.		Sony RX10	1440	Y	3.0 / 1229	tilting	n	1/3200s	10.0/s	Y	Y
17.		Sony RX10 II	2359	Y	3.0 / 1229	tilting	n	1/3200s	14.0/s	Y	Y
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 70D has one, while the CL does not. While the built-in flash of the 70D is not very powerful, it can at times be useful as a fill-in light.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the CL is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Leica CL has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the 70D and the CL write their files to SDXC cards. The CL supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the 70D can use UHS-I cards (up to 104 MB/s).

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 70D and Leica CL (Typ 7323) 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 70D	Y	stereo / mono	Y	-	mini	2.0	Y	-	-
2.		Leica CL	Y	stereo / mono	-	-	-	-	Y	-	-
3.		Canon 6D	Y	mono / mono	Y	-	mini	2.0	Y	-	-
4.		Canon 7D	Y	mono / -	Y	-	mini	2.0	-	-	-
5.		Canon 7D II	Y	stereo / mono	Y	Y	mini	3.0	-	-	-
6.		Canon 50D	Y	- / -	-	-	mini	2.0	-	-	-
7.		Canon 60D	Y	mono / mono	Y	-	mini	2.0	-	-	-
8.		Canon 80D	Y	stereo / mono	Y	Y	mini	2.0	Y	Y	-
9.		Canon G3 X	Y	stereo / mono	Y	Y	mini	2.0	Y	Y	-
10.		Canon M6	Y	stereo / mono	Y	-	mini	2.0	Y	Y	Y
11.		Fujifilm X100F	Y	stereo / mono	Y	-	micro	2.0	Y	-	-
12.		Leica C-LUX	-	stereo / mono	-	-	micro	2.0	Y	-	-
13.		Leica TL	Y	stereo / mono	-	-	micro	2.0	Y	-	-
14.		Leica TL2	Y	stereo / mono	-	-	micro	3.0	Y	-	-
15.		Nikon D7100	Y	stereo / mono	Y	Y	mini	2.0	-	-	-
16.		Sony RX10	Y	stereo / mono	Y	Y	micro	2.0	Y	Y	-
17.		Sony RX10 II	Y	stereo / mono	Y	Y	micro	2.0	Y	Y	-

It is notable that the 70D has a microphone port, which is missing on the CL. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Both the 70D and the CL have been discontinued, but can regularly be found used on ebay. The 70D was replaced by the Canon 80D, while the CL does not have a direct successor. Further information on the features and operation of the 70D and CL can be found, respectively, in the Canon 70D Manual (free pdf) or the online Leica CL Manual.

Review summary

So what conclusions can be drawn? Is the Canon 70D better than the Leica CL or vice versa? The listing below highlights the relative strengths of the two models.

Advantages of the Canon EOS 70D:

• Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
• Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
• Better sound: Can connect to an external microphone for higher quality sound recording.
• Brighter framing: Features an optical viewfinder for clear, lag-free composition.
• Larger viewfinder image: Features a viewfinder with a higher magnification (0.59x vs 0.49x).
• 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.
• Longer lasting: Can take more shots (920 versus 220) on a single battery charge.
• Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
• Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
• More affordable: Was introduced into a lower priced category (57 percent cheaper at launch).
• More heavily discounted: Has been available for much longer (launched in July 2013).

Arguments in favor of the Leica CL (Typ 7323):

• More detail: Has more megapixels (24.1 vs 20MP), which boosts linear resolution by 10%.
• Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
• Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
• More framing info: Has an electronic viewfinder that displays shooting data.
• More complete view: Has a viewfinder with a larger field of view (100% vs 98%).
• Faster burst: Shoots at higher frequency (10 vs 7 flaps/sec) to capture the decisive moment.
• Less disturbing: Has an electronic shutter option for completely silent shooting.
• Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
• More compact: Is smaller (131x78mm vs 139x104mm) and will fit more readily into a bag.
• Less heavy: Has a lower weight (by 352g or 47 percent) and is thus easier to take along.
• More legacy lens friendly: Can use many non-native lenses via adapters.
• Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
• More prestigious: Has the Leica luxury appeal, which ensures a high resale value.
• More modern: Reflects 4 years and 4 months of technical progress since the 70D launch.

If the number of relative strengths (bullet points above) is taken as a guide, the CL emerges as the winner of the match-up (14 : 12 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.

How about other alternatives? Do the specifications of the Canon 70D and the Leica CL place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says little about, for example, the shooting experience and imaging performance of the 70D and the CL 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 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	Street Price
1.		Canon 70D	5/5	+ +	..	83/100	4.5/5	5/5	Jul 2013	EUR 1 099	ebay.com
2.		Leica CL	..	..	4.2/5	..	..	4/5	Nov 2017	EUR 2 490	ebay.com
3.		Canon 6D	5/5	+ +	..	83/100	4.5/5	4.5/5	Sep 2012	EUR 1 999	ebay.com
4.		Canon 7D	5/5	+ +	..	84/100	4.5/5	4.5/5	Sep 2009	EUR 1 499	ebay.com
5.		Canon 7D II	4.5/5	+	3.5/5	84/100	4/5	4.5/5	Sep 2014	EUR 1 699	ebay.com
6.		Canon 50D	..	+ +	..	+ +	4.5/5	4.5/5	Aug 2008	EUR 1 099	ebay.com
7.		Canon 60D	5/5	+	..	79/100	4/5	4.5/5	Aug 2010	EUR 1 149	ebay.com
8.		Canon 80D	4/5	+ +	4.5/5	84/100	4.5/5	4.5/5	Feb 2016	EUR 1 285	ebay.com
9.		Canon G3 X	3.5/5	+	..	..	4.5/5	4/5	Jun 2015	EUR 899	ebay.com
10.		Canon M6	..	..	..	80/100	4/5	4/5	Feb 2017	EUR 799	ebay.com
11.		Fujifilm X100F	5/5	+	3.9/5	83/100	4.5/5	4.5/5	Jan 2017	EUR 1 399	ebay.com
12.		Leica C-LUX	..	..	3.5/5	..	4.5/5	4/5	Jun 2018	EUR 970	ebay.com
13.		Leica TL	..	..	..	..	..	4/5	Nov 2016	EUR 1 649	ebay.com
14.		Leica TL2	3.5/5	..	3/5	..	4/5	4/5	Jul 2017	EUR 1 949	ebay.com
15.		Nikon D7100	5/5	+ +	..	85/100	4.5/5	4.5/5	Feb 2013	EUR 1 179	ebay.com
16.		Sony RX10	5/5	+	..	80/100	4.5/5	4.5/5	Oct 2013	EUR 1 199	ebay.com
17.		Sony RX10 II	5/5	+ +	..	82/100	4.5/5	4/5	Jun 2015	EUR 1 599	ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, 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. 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 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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