Leica S2 vs Sony A1
The Leica S2 and the Sony A1 are two professional cameras that were announced, respectively, in September 2008 and January 2021. The S2 is a DSLR, while the A1 is a mirrorless interchangeable lens camera. The cameras are based on a medium format (S2) and a full frame (A1) sensor. The Leica has a resolution of 37.5 megapixels, whereas the Sony provides 49.8 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 S2 and the Sony A1? 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 S2 and the Sony A1 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 measures 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 Sony A1 is considerably smaller (35 percent) than the Leica S2. Moreover, the A1 is substantially lighter (48 percent) than the S2. 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 A1 can be charged via the USB port, which can be very convenient when travelling.
The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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.
|1.||Leica S2||160 mm||120 mm||80 mm||1410 g||..||Y||Sep 2008||22,995||ebay.com|
|2.||Sony A1||129 mm||97 mm||81 mm||737 g||530||Y||Jan 2021||6,499||amazon.com|
|3.||Canon 1Ds Mark III||150 mm||160 mm||80 mm||1385 g||1800||Y||Aug 2007||7,999||ebay.com|
|4.||Leica S3||160 mm||120 mm||80 mm||1260 g||..||Y||Sep 2018||18,995||amazon.com|
|5.||Leica S-E Typ 006||160 mm||120 mm||80 mm||1260 g||..||Y||Sep 2014||16,900||ebay.com|
|6.||Leica S Typ 007||160 mm||120 mm||80 mm||1260 g||..||Y||Sep 2014||24,490||ebay.com|
|7.||Leica S Typ 006||160 mm||120 mm||80 mm||1260 g||..||Y||Sep 2012||21,950||ebay.com|
|8.||Leica S1||339 mm||214 mm||119 mm||2500 g||..||n||Aug 1996||21,490||ebay.com|
|9.||Nikon D3S||160 mm||157 mm||88 mm||1240 g||4200||Y||Oct 2009||5,199||ebay.com|
|10.||Nikon D3X||160 mm||157 mm||88 mm||1260 g||4400||Y||Dec 2008||7,999||ebay.com|
|11.||Nikon D3||160 mm||157 mm||88 mm||1300 g||4300||Y||Aug 2007||4,999||ebay.com|
|12.||Pentax 645D||156 mm||117 mm||119 mm||1480 g||800||Y||Mar 2010||9,995||ebay.com|
|13.||Sony A7R V||131 mm||97 mm||82 mm||723 g||530||Y||Oct 2022||3,899||amazon.com|
|14.||Sony A7 IV||131 mm||96 mm||80 mm||659 g||580||Y||Oct 2021||2,499||amazon.com|
|15.||Sony A7R III||127 mm||96 mm||74 mm||650 g||650||Y||Oct 2017||3,199||ebay.com|
|16.||Sony A99 II||143 mm||104 mm||76 mm||849 g||490||Y||Sep 2016||3,199||ebay.com|
|17.||Sony A7R II||127 mm||96 mm||60 mm||625 g||290||Y||Jun 2015||3,199||ebay.com|
|Note: 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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The A1 was launched at a markedly lower price (by 72 percent) than the S2, 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.
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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Leica S2 features a medium format sensor and the Sony A1 a full frame sensor. The sensor area in the A1 is 36 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.8 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
Despite having a smaller sensor, the A1 offers a higher resolution of 49.8 megapixels, compared with 37.5 MP of the S2. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 4.16μm versus 6.00μm for the S2). However, it should be noted that the A1 is much more recent (by 12 years and 4 months) than the S2, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. 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 Sony A1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A1 for good quality output (200 dots per inch) amounts to 43.2 x 28.8 inches or 109.7 x 73.2 cm, for very good quality (250 dpi) 34.6 x 23 inches or 87.8 x 58.5 cm, and for excellent quality (300 dpi) 28.8 x 19.2 inches or 73.2 x 48.8 cm. The corresponding values for the Leica S2 are 37.5 x 25 inches or 95.3 x 63.5 cm for good quality, 30 x 20 inches or 76.2 x 50.8 cm for very good quality, and 25 x 16.7 inches or 63.5 x 42.3 cm for excellent quality prints.
The A1 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
Unlike the S2, the A1 has the capacity to capture high quality composite images (YESMP) 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 S2 has a native sensitivity range from ISO 80 to ISO 1250. The corresponding ISO settings for the Sony A1 are ISO 100 to ISO 32000, with the possibility to increase the ISO range to 50-102400.
In terms of underlying technology, the S2 is build around a CCD sensor, while the A1 uses a Stacked BSI-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 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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.
|1.||Leica S2||Medium Format||37.5||7500||5000||none||23.9||12.5||2224||82|
|2.||Sony A1||Full Frame||49.8||8640||5760||8k/30p||25.9||14.5||3163||98|
|3.||Canon 1Ds Mark III||Full Frame||21.0||5616||3744||none||24.0||12.0||1663||80|
|4.||Leica S3||Medium Format||64.0||9800||6533||4K/24p||25.6||14.4||3143||98|
|5.||Leica S-E Typ 006||Medium Format||37.5||7500||5000||none||25.1||13.7||2763||93|
|6.||Leica S Typ 007||Medium Format||37.5||7500||5000||4K/24p||25.1||13.7||2763||93|
|7.||Leica S Typ 006||Medium Format||37.5||7500||5000||none||23.9||12.2||824||76|
|8.||Leica S1||Medium Format||26.4||5140||5140||none||..||..||..||..|
|9.||Nikon D3S||Full Frame||12.1||4256||2832||720/24p||23.5||12.0||3253||82|
|10.||Nikon D3X||Full Frame||24.4||6048||4032||none||24.7||13.7||1992||88|
|11.||Nikon D3||Full Frame||12.1||4256||2832||none||23.5||12.2||2290||81|
|12.||Pentax 645D||Medium Format||39.5||7264||5440||none||24.6||12.6||1262||82|
|13.||Sony A7R V||Full Frame||60.2||9504||6336||8k/24p||25.4||14.6||3143||96|
|14.||Sony A7 IV||Full Frame||32.7||7008||4672||4K/60p||25.4||14.7||3379||97|
|15.||Sony A7R III||Full Frame||42.2||7952||5304||4K/30p||26.0||14.7||3523||100|
|16.||Sony A99 II||Full Frame||42.2||7952||5304||4K/30p||25.4||13.4||2317||92|
|17.||Sony A7R II||Full Frame||42.2||7952||5304||4K/30p||26.0||13.9||3434||98|
|Note: DXO values in italics represent estimates based on sensor size and age.|
Many modern cameras cannot only take still pictures, but also record videos. The A1 indeed provides for movie recording, while the S2 does not. The highest resolution format that the A1 can use is 8k/30p.
Beyond body and sensor, cameras can and do differ across a range of features. For example, the A1 has an electronic viewfinder (9437k dots), while the S2 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 A1 offers a wider field of view (100%) than the one in the S2 (96%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the A1 has a higher magnification (0.9x vs 0.86x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Leica S2 and Sony A1 in connection with corresponding information for a sample of similar cameras.
|1.||Leica S2||optical||Y||3.0 / 460||fixed||n||1/4000s||1.5/s||n||n|
|2.||Sony A1||9437||n||3.0 / 1440||tilting||Y||1/8000s||10.0/s||n||Y|
|3.||Canon 1Ds Mark III||optical||Y||3.0 / 230||fixed||n||1/8000s||5.0/s||n||n|
|4.||Leica S3||optical||Y||3.0 / 922||fixed||n||1/4000s||3.0/s||n||n|
|5.||Leica S-E Typ 006||optical||Y||3.0 / 922||fixed||n||1/4000s||1.5/s||n||n|
|6.||Leica S Typ 007||optical||Y||3.0 / 922||fixed||n||1/4000s||3.5/s||n||n|
|7.||Leica S Typ 006||optical||Y||3.0 / 922||fixed||n||1/4000s||1.5/s||n||n|
|8.||Leica S1||optical||n||none / none||none||n||..||0.01/s||n||n|
|9.||Nikon D3S||optical||Y||3.0 / 921||fixed||n||1/8000s||11.0/s||n||n|
|10.||Nikon D3X||optical||Y||3.0 / 922||fixed||n||1/8000s||5.0/s||n||n|
|11.||Nikon D3||optical||Y||3.0 / 922||fixed||n||1/8000s||11.0/s||n||n|
|12.||Pentax 645D||optical||Y||3.0 / 921||fixed||n||1/4000s||1.1/s||n||n|
|13.||Sony A7R V||9440||n||3.2 / 2100||full-flex||Y||1/8000s||10.0/s||n||Y|
|14.||Sony A7 IV||3686||n||3.0 / 1037||swivel||Y||1/8000s||10.0/s||n||Y|
|15.||Sony A7R III||3686||n||3.0 / 1440||tilting||Y||1/8000s||10.0/s||n||Y|
|16.||Sony A99 II||2400||Y||3.0 / 1229||full-flex||n||1/8000s||12.0/s||n||Y|
|17.||Sony A7R II||2400||n||3.0 / 1229||tilting||n||1/8000s||5.0/s||n||Y|
|Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.|
One feature that is present on the S2, but is missing on the A1 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.
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 A1 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 Sony A1 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.
The S2 writes its imaging data to Compact Flash or SDHC cards, while the A1 uses CFexpress (type A) or SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The A1 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the S2 cannot take advantage of Ultra High Speed SD cards.
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 S2 and Sony A1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Leica S2||Y||- / -||-||-||mini||2.0||-||-||-|
|2.||Sony A1||Y||stereo / mono||Y||Y||full||3.2||Y||-||Y|
|3.||Canon 1Ds Mark III||Y||mono / -||-||-||-||2.0||-||-||-|
|4.||Leica S3||Y||stereo / mono||Y||Y||mini||3.0||Y||-||-|
|5.||Leica S-E Typ 006||Y||- / -||-||-||mini||2.0||-||-||-|
|6.||Leica S Typ 007||Y||stereo / mono||Y||Y||mini||3.0||Y||-||-|
|7.||Leica S Typ 006||Y||- / -||-||-||mini||2.0||-||-||-|
|8.||Leica S1||-||- / -||-||-||-||-||-||-||-|
|9.||Nikon D3S||Y||stereo / -||-||-||mini||2.0||-||-||-|
|10.||Nikon D3X||Y||- / -||-||-||mini||2.0||-||-||-|
|11.||Nikon D3||Y||- / -||-||-||mini||2.0||-||-||-|
|12.||Pentax 645D||Y||stereo / -||-||-||-||2.0||-||-||-|
|13.||Sony A7R V||Y||stereo / mono||Y||Y||full||3.2||Y||-||Y|
|14.||Sony A7 IV||Y||stereo / mono||Y||Y||full||3.2||Y||-||Y|
|15.||Sony A7R III||Y||stereo / mono||Y||Y||micro||3.1||Y||Y||Y|
|16.||Sony A99 II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||Y|
|17.||Sony A7R II||Y||stereo / mono||Y||Y||micro||2.0||Y||Y||-|
It is notable that the A1 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the S2 does not provide wifi capability.
Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.
The A1 is a recent model that features in the current product line-up of Sony. In contrast, the S2 has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the S2 was succeeded by the Leica S Typ 006. Further information on the features and operation of the S2 and A1 can be found, respectively, in the Leica S2 Manual (free pdf) or the online Sony A1 Manual.
So what conclusions can be drawn? Is the Leica S2 better than the Sony A1 or vice versa? Below is a summary of the relative strengths of each of the two contestants.
Advantages of the Leica S2:
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- Easier setting verification: Features an LCD display on top to control shooting parameters.
- More prestigious: Has the Leica luxury appeal, which ensures a high resale price.
- More heavily discounted: Has been available for much longer (launched in September 2008).
Reasons to prefer the Sony A1:
- More detail: Has more megapixels (49.8 vs 37.5MP), which boosts linear resolution by 15%.
- High quality composites: Can combine several shots after pixel-shifting its sensor.
- Broader imaging potential: Can capture not only stills but also 8k/30p video.
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- 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 96%).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.9x vs 0.86x).
- More detailed LCD: Has a higher resolution rear screen (1440k vs 460k dots).
- More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
- Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Faster burst: Shoots at higher frequency (10 vs 1.5 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 (129x97mm vs 160x120mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 673g or 48 percent) and is thus easier to take along.
- 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.
- More legacy lens friendly: Can use many non-native lenses via adapters.
- Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
- Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
- Easier wireless transfer: Supports Bluetooth for image sharing without cables.
- Faster buffer clearing: Has an SD card interface that supports the UHS-II standard.
- More affordable: Was introduced into a lower priced category (72 percent cheaper at launch).
- More modern: Reflects 12 years and 4 months of technical progress since the S2 launch.
If the count of relative strengths (bullet points above) is taken as a measure, the A1 is the clear winner of the contest (25 : 4 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.
How about other alternatives? Do the specifications of the Leica S2 and the Sony A1 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the S2 or the A1. 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.
This is why expert reviews are important. 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.
|1.||Leica S2||..||..||..||..||..||..||Sep 2008||22,995||ebay.com|
|2.||Sony A1||5/5||o||4.5/5||93/100||4.5/5||5/5||Jan 2021||6,499||amazon.com|
|3.||Canon 1Ds Mark III||..||..||..||+ +||4.5/5||..||Aug 2007||7,999||ebay.com|
|4.||Leica S3||..||..||..||..||..||..||Sep 2018||18,995||amazon.com|
|5.||Leica S-E Typ 006||..||..||..||..||..||..||Sep 2014||16,900||ebay.com|
|6.||Leica S Typ 007||4/5||..||..||..||..||..||Sep 2014||24,490||ebay.com|
|7.||Leica S Typ 006||..||..||..||..||..||..||Sep 2012||21,950||ebay.com|
|8.||Leica S1||..||..||..||..||..||..||Aug 1996||21,490||ebay.com|
|9.||Nikon D3S||5/5||..||..||89/100||4.5/5||5/5||Oct 2009||5,199||ebay.com|
|10.||Nikon D3X||..||..||..||86/100||4/5||5/5||Dec 2008||7,999||ebay.com|
|11.||Nikon D3||..||..||..||+ +||5/5||4.5/5||Aug 2007||4,999||ebay.com|
|12.||Pentax 645D||5/5||..||..||..||..||..||Mar 2010||9,995||ebay.com|
|13.||Sony A7R V||..||..||..||..||..||..||Oct 2022||3,899||amazon.com|
|14.||Sony A7 IV||5/5||+ +||4.5/5||89/100||4.5/5||4.5/5||Oct 2021||2,499||amazon.com|
|15.||Sony A7R III||..||+ +||4/5||90/100||4.5/5||5/5||Oct 2017||3,199||ebay.com|
|16.||Sony A99 II||..||..||4.5/5||85/100||4.5/5||4.5/5||Sep 2016||3,199||ebay.com|
|17.||Sony A7R II||5/5||+ +||5/5||90/100||5/5||5/5||Jun 2015||3,199||ebay.com|
|Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.|
Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price 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.
Other camera comparisons
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Specifications: Leica S2 vs Sony A1
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 S2||Sony A1|
|Camera Type||Digital single lens reflex||Mirrorless system camera|
|Camera Lens||Leica S mount lenses||Sony E mount lenses|
|Launch Date||September 2008||January 2021|
|Launch Price||USD 22,995||USD 6,499|
|Sensor Specs||Leica S2||Sony A1|
|Sensor Technology||CCD||Stacked BSI-CMOS|
|Sensor Format||Medium Format Sensor||Full Frame Sensor|
|Sensor Size||45.0 x 30.0 mm||35.9 x 24.0 mm|
|Sensor Area||1350 mm2||861.6 mm2|
|Sensor Diagonal||54.1 mm||43.2 mm|
|Sensor Resolution||37.5 Megapixels||49.8 Megapixels|
|Image Resolution||7500 x 5000 pixels||8640 x 5760 pixels|
|Pixel Pitch||6.00 μm||4.16 μm|
|Pixel Density||2.78 MP/cm2||5.78 MP/cm2|
|Moiré control||no AA filter||no AA filter|
|Movie Capability||no Video||8k/30p Video|
|ISO Setting||80 - 1,250 ISO||100 - 32,000 ISO|
|ISO Boost||no Enhancement||50 - 102,400 ISO|
|DXO Sensor Quality (score)||..||98|
|DXO Color Depth (bits)||..||25.9|
|DXO Dynamic Range (EV)||..||14.5|
|DXO Low Light (ISO)||..||3163|
|Screen Specs||Leica S2||Sony A1|
|Viewfinder Type||Optical viewfinder||Electronic viewfinder|
|Viewfinder Field of View||96%||100%|
|Viewfinder Resolution||9437k dots|
|Top-Level Screen||Control Panel||no Top Display|
|LCD Framing||Live View|
|Rear LCD Size||3.0inch||3.0inch|
|LCD Resolution||460k dots||1440k dots|
|LCD Attachment||Fixed screen||Tilting screen|
|Touch Input||no Touchscreen||Touchscreen|
|Shooting Specs||Leica S2||Sony A1|
|Focus System||Phase-detect AF||On-Sensor Phase-detect|
|Manual Focusing Aid||no Peaking Feature||Focus Peaking|
|Max Shutter Speed (mechanical)||1/4000s||1/8000s|
|Continuous Shooting||1.5 shutter flaps/s||10 shutter flaps/s|
|Electronic Shutter||no E-Shutter||up to 1/32000s|
|Time-Lapse Photography||no Intervalometer||Intervalometer built-in|
|Image Stabilization||no shake reduction||In-body stabilization|
|Fill Flash||no On-Board Flash||no On-Board Flash|
|Storage Medium||CF or SDHC cards||CFexA or SDXC cards|
|Single or Dual Card Slots||Dual card slots||Dual card slots|
|UHS card support||no||UHS-II|
|Connectivity Specs||Leica S2||Sony A1|
|Studio Flash||PC Sync socket||PC Sync socket|
|USB Connector||USB 2.0||USB 3.2|
|HDMI Port||mini HDMI||full HDMI|
|Microphone Port||no MIC socket||External MIC port|
|Headphone Socket||no Headphone port||Headphone port|
|Wifi Support||no Wifi||Wifi built-in|
|Bluetooth Support||no Bluetooth||Bluetooth built-in|
|Body Specs||Leica S2||Sony A1|
|Environmental Sealing||Weathersealed body||Weathersealed body|
|In-Camera Charging||no USB charging||USB charging|
160 x 120 x 80 mm
(6.3 x 4.7 x 3.1 in)
129 x 97 x 81 mm
(5.1 x 3.8 x 3.2 in)
|Camera Weight||1410 g (49.7 oz)||737 g (26.0 oz)|
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