Leica SL vs SL2
The Leica SL (Typ 601) and the Leica SL2 are two enthusiast cameras that were announced, respectively, in October 2015 and November 2019. Both the SL and the SL2 are mirrorless interchangeable lens cameras that are equipped with a full frame sensor. The SL has a resolution of 24 megapixels, whereas the SL2 provides 46.7 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
Going beyond this snapshot of core features and characteristics, what are the differences between the Leica SL (Typ 601) and the Leica SL2? 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.
An illustration of the physical size and weight of the Leica SL and the Leica SL2 is provided in the side-by-side display below. 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 Leica SL2 is somewhat larger (2 percent) than the Leica SL. Moreover, the SL2 is markedly heavier (13 percent) than the SL. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.
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.
The power pack in the SL2 can be charged via the USB port, which can be very convenient when travelling.
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.
|1.||Leica SL||147 mm||104 mm||39 mm||847 g||400||Y||Oct 2015||7,450|
|2.||Leica SL2||146 mm||107 mm||42 mm||953 g||370||Y||Nov 2019||5,999|
|3.||Canon 5D Mark IV||151 mm||116 mm||76 mm||890 g||900||Y||Aug 2016||3,499|
|4.||Canon 80D||139 mm||105 mm||79 mm||730 g||960||Y||Feb 2016||1,199|
|5.||Hasselblad X1D||150 mm||98 mm||71 mm||725 g||..||Y||Jun 2016||8,995|
|6.||Leica SL2-S||146 mm||107 mm||83 mm||931 g||510||Y||Dec 2020||4,895|
|7.||Leica Q2||130 mm||80 mm||92 mm||718 g||370||Y||Mar 2019||4,995|
|8.||Leica M10||139 mm||80 mm||39 mm||660 g||210||Y||Jan 2017||6,595|
|9.||Leica M Typ 240||139 mm||80 mm||42 mm||680 g||..||Y||Sep 2012||6,950|
|10.||Nikon D5||160 mm||159 mm||92 mm||1415 g||3780||Y||Jan 2016||6,499|
|11.||Nikon D500||147 mm||115 mm||81 mm||860 g||1240||Y||Jan 2016||1,999|
|12.||Nikon D7200||136 mm||107 mm||76 mm||765 g||1110||Y||Mar 2015||1,199|
|13.||Nikon D750||141 mm||113 mm||78 mm||750 g||1230||Y||Sep 2014||2,299|
|14.||Panasonic S1||149 mm||110 mm||97 mm||1017 g||400||Y||Feb 2019||2,499|
|15.||Panasonic S1R||149 mm||110 mm||97 mm||1016 g||380||Y||Feb 2019||3,699|
|16.||Panasonic S1H||151 mm||114 mm||110 mm||1052 g||400||Y||May 2019||3,999|
|Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.|
The price is, of course, an important factor in any camera decision. 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 SL2 was launched at a somewhat lower price (by 19 percent) than the SL, which makes it more attractive for photographers on a tight budget. 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.
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.
Both cameras under consideration feature a full frame sensor and have a format factor (sometimes also referred to as "crop factor") of 1.0. Within the spectrum of camera sensors, this places the review cameras among the large-sensor cameras that aim for top notch image quality. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
Technology-wise, the SL2 uses a more advanced image processing engine (Maestro III) than the SL (Maestro II), with benefits for noise reduction, color accuracy, and processing speed.
While the two cameras under review share the same sensor size, the SL2 offers a higher resolution of 46.7 megapixels, compared with 24 MP of the SL. This megapixels advantage translates into a 39 percent gain in linear resolution. On the other hand, these sensor specs imply that the SL2 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 4.30μm versus 6.00μm for the SL). However, it should be noted that the SL2 is much more recent (by 4 years) than the SL, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.
The resolution advantage of the Leica SL2 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the SL2 for good quality output (200 dots per inch) amounts to 41.8 x 27.9 inches or 106.3 x 70.9 cm, for very good quality (250 dpi) 33.5 x 22.3 inches or 85 x 56.7 cm, and for excellent quality (300 dpi) 27.9 x 18.6 inches or 70.8 x 47.3 cm. The corresponding values for the Leica SL are 30 x 20 inches or 76.2 x 50.8 cm for good quality, 24 x 16 inches or 61 x 40.6 cm for very good quality, and 20 x 13.3 inches or 50.8 x 33.9 cm for excellent quality prints.
Unlike the SL, the SL2 has the capacity to capture high quality composite images (187MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).
The Leica SL (Typ 601) has a native sensitivity range from ISO 50 to ISO 50000. The corresponding ISO settings for the Leica SL2 are ISO 100 to ISO 50000, with the possibility to increase the ISO range to 50-50000.
For many cameras, data on sensor performance has been reported by DXO Mark. 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.
| DXO |
|1.||Leica SL||Full Frame||24.0||6000||4000||4K/30p||25.0||13.4||1821||88|
|2.||Leica SL2||Full Frame||46.7||8368||5584||4K/60p||..||..||..||..|
|3.||Canon 5D Mark IV||Full Frame||30.1||6720||4480||4K/30p||24.8||13.6||2995||91|
|5.||Hasselblad X1D||Medium Format||51.3||8272||6200||1080/25p||26.2||14.8||4489||102|
|6.||Leica SL2-S||Full Frame||24.0||6000||4000||4K/60p||..||..||..||..|
|7.||Leica Q2||Full Frame||46.7||8368||5584||4K/30p||26.4||13.5||2491||96|
|8.||Leica M10||Full Frame||23.8||5952||3992||none||24.4||13.2||2133||86|
|9.||Leica M Typ 240||Full Frame||23.7||5952||3976||1080/25p||24.0||13.3||1860||84|
|10.||Nikon D5||Full Frame||20.7||5588||3712||4K/30p||25.1||12.3||2343||88|
|13.||Nikon D750||Full Frame||24.2||6016||4016||1080/60p||24.8||14.5||2956||93|
|14.||Panasonic S1||Full Frame||24.0||6000||4000||4K/60p||25.2||14.5||3333||95|
|15.||Panasonic S1R||Full Frame||46.7||8368||5584||4K/60p||26.4||14.1||3525||100|
|16.||Panasonic S1H||Full Frame||24.0||6000||4000||6K/30p||..||..||..||..|
Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the SL2 provides a faster frame rate than the SL. It can shoot movie footage at 4K/60p, while the SL is limited to 4K/30p.
Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the SL2 offers a higher resolution than the one in the SL (5760k vs 4400k dots). The following table reports on some other key feature differences and similarities of the Leica SL, the Leica SL2, and comparable cameras.
|3.||Canon 5D Mark IV||optical||Y||3.2||1620||fixed||Y||1/8000s||7.0||n||n|
|9.||Leica M Typ 240||optical||n||3.0||920||fixed||n||1/4000s||3.0||n||n|
One feature that differentiates the SL2 and the SL is in-body image stabilization (IBIS). The SL2 reduces the risk of handshake-induced blur with all attached lenses, while the SL offers no blur reduction with lenses that themselves do not provide optical image stabilization.
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, both cameras under consideration feature an 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 SL and the Leica SL2 both have 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 SL and the SL2 write their files to SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. However, while the SL2 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s) on both slots, the SL supports UHS-II only on its first slot and UHS-I (data transfer speed up to 104 MB/s) on the second one.
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 SL (Typ 601) and Leica SL2 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
| WiFi |
| NFC |
|3.||Canon 5D Mark IV||Y||mono||mono||Y||Y||mini||3.0||Y||Y||-|
|9.||Leica M Typ 240||Y||stereo||mono||-||-||-||2.0||-||-||-|
Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.
Travel and landscape photographers will find it useful that the SL has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.
The SL2 is a recent model that features in the current product line-up of Leica. In contrast, the SL has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the SL was succeeded by the Leica SL2. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Leica website.
So what conclusions can be drawn? Which of the two cameras – the Leica SL or the Leica SL2 – 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 SL (Typ 601):
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.80x vs 0.78x).
- Less heavy: Is lighter (by 106g or 11 percent) and hence easier to carry around.
- Easier geotagging: Features an internal GPS sensor to log localization data.
- More heavily discounted: Has been available for much longer (launched in October 2015).
Reasons to prefer the Leica SL2:
- More detail: Has more megapixels (46.7 vs 24MP), which boosts linear resolution by 40%.
- High quality composites: Can combine several shots after pixel-shifting its sensor.
- Better jpgs: Has a more modern image processing engine (Maestro III vs Maestro II).
- Better video: Provides higher movie framerates (4K/60p versus 4K/30p).
- More detailed viewfinder: Has higher resolution electronic viewfinder (5760k vs 4400k dots).
- Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
- More detailed LCD: Has a higher resolution rear screen (2100k vs 1040k dots).
- Easier travel charging: Can be conveniently charged via its USB port.
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
- Easier wireless transfer: Supports Bluetooth for image sharing without cables.
- More affordable: Was released into a lower priced segment (19 percent cheaper at launch).
- More modern: Reflects 4 years of technical progress since the SL launch.
If the number of relative strengths (bullet points above) is taken as a guide, the SL2 is the clear winner of the contest (12 : 4 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.
How about other alternatives? Do the specifications of the Leica SL and the Leica SL2 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera listing whether the two cameras rank among the cream of the crop.
In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the SL and the SL2 in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.
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], 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.
|1.||Leica SL||4/5||..||84/100||4.5/5||4/5||Oct 2015||7,450|
|2.||Leica SL2||4/5||..||..||4.5/5||4/5||Nov 2019||5,999|
|3.||Canon 5D Mark IV||4.5/5||+ +||87/100||4.5/5||4.5/5||Aug 2016||3,499|
|4.||Canon 80D||4/5||+ +||84/100||4.5/5||4.5/5||Feb 2016||1,199|
|5.||Hasselblad X1D||..||o||81/100||..||4/5||Jun 2016||8,995|
|6.||Leica SL2-S||4/5||..||..||4.5/5||4.5/5||Dec 2020||4,895|
|7.||Leica Q2||..||..||84/100||4.5/5||4/5||Mar 2019||4,995|
|8.||Leica M10||4.5/5||..||..||4/5||4.5/5||Jan 2017||6,595|
|9.||Leica M Typ 240||4/5||..||..||4/5||..||Sep 2012||6,950|
|10.||Nikon D5||..||..||89/100||4.5/5||5/5||Jan 2016||6,499|
|11.||Nikon D500||5/5||+ +||91/100||4.5/5||5/5||Jan 2016||1,999|
|12.||Nikon D7200||4/5||+ +||84/100||4.5/5||4.5/5||Mar 2015||1,199|
|13.||Nikon D750||5/5||+ +||90/100||4.5/5||4.5/5||Sep 2014||2,299|
|14.||Panasonic S1||4.5/5||+ +||88/100||4.5/5||4/5||Feb 2019||2,499|
|15.||Panasonic S1R||4.5/5||..||89/100||4.5/5||4.5/5||Feb 2019||3,699|
|16.||Panasonic S1H||..||..||90/100||..||..||May 2019||3,999|
|Notes: (+ +) 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 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.
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.
Specifications: Leica SL vs Leica SL2
Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.
|Camera Model||Leica SL||Leica SL2|
|Camera Type||Mirrorless system camera||Mirrorless system camera|
|Camera Lens||Leica L mount lenses||Leica L mount lenses|
|Launch Date||October 2015||November 2019|
|Launch Price||USD 7,450||USD 5,999|
|Sensor Specs||Leica SL||Leica SL2|
|Sensor Format||Full Frame Sensor||Full Frame Sensor|
|Sensor Size||36.0 x 24.0 mm||36.0 x 24.0 mm|
|Sensor Area||864 mm2||864 mm2|
|Sensor Diagonal||43.3 mm||43.3 mm|
|Sensor Resolution||24 Megapixels||46.7 Megapixels|
|Image Resolution||6000 x 4000 pixels||8368 x 5584 pixels|
|Pixel Pitch||6.00 μm||4.30 μm|
|Pixel Density||2.78 MP/cm2||5.41 MP/cm2|
|Moiré control||no AA filter||no AA filter|
|Movie Capability||4K/30p Video||4K/60p Video|
|ISO Setting||50 - 50,000 ISO||100 - 50,000 ISO|
|ISO Boost||no Enhancement||50 - 50,000 ISO|
|Image Processor||Maestro II||Maestro III|
|DXO Sensor Quality (score)||88||..|
|DXO Color Depth (bits)||25.0||..|
|DXO Dynamic Range (EV)||13.4||..|
|DXO Low Light (ISO)||1821||..|
|Screen Specs||Leica SL||Leica SL2|
|Viewfinder Type||Electronic viewfinder||Electronic viewfinder|
|Viewfinder Field of View||100%||100%|
|Viewfinder Resolution||4400k dots||5760k dots|
|Top-Level Screen||Control Panel||Control Panel|
|LCD Framing||Live View||Live View|
|Rear LCD Size||3.0inch||3.2inch|
|LCD Resolution||1040k dots||2100k dots|
|LCD Attachment||Fixed screen||Fixed screen|
|Shooting Specs||Leica SL||Leica SL2|
|Focus System||Contrast-detect AF||Contrast-detect AF|
|Manual Focusing Aid||Focus Peaking||Focus Peaking|
|Max Shutter Speed (mechanical)||1/8000s||1/8000s|
|Continuous Shooting||11 shutter flaps/s||10 shutter flaps/s|
|Electronic Shutter||up to 1/16000s||up to 1/40000s|
|Time-Lapse Photography||Intervalometer built-in||Intervalometer built-in|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||no On-Board Flash||no On-Board Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Second Storage Option||Dual card slots||Dual card slots|
|UHS card support||Single UHS-II||Dual UHS-II|
|Connectivity Specs||Leica SL||Leica SL2|
|Studio Flash||PC Sync socket||PC Sync socket|
|USB Connector||USB 3.0||USB 3.1|
|HDMI Port||full HDMI||full HDMI|
|Microphone Port||External MIC port||External MIC port|
|Headphone Socket||Headphone port||Headphone port|
|Wifi Support||Wifi built-in||Wifi built-in|
|Bluetooth Support||no Bluetooth||Bluetooth built-in|
|Geotagging||GPS built-in||no internal GPS|
|Body Specs||Leica SL||Leica SL2|
|Environmental Sealing||Weathersealed body||Weathersealed body|
|Battery Life (CIPA)||400 shots per charge||370 shots per charge|
|In-Camera Charging||no USB charging||USB charging|
147 x 104 x 39 mm
(5.8 x 4.1 x 1.5 in)
146 x 107 x 42 mm
(5.7 x 4.2 x 1.7 in)
|Camera Weight||847 g (29.9 oz)||953 g (33.6 oz)|
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