Leica SL3 vs Pentax K-3 III
The Leica SL3 and the Pentax K-3 III are two enthusiast cameras that were officially introduced, respectively, in March 2024 and March 2021. The Leica SL3 is a mirrorless interchangeable lens camera, while the K-3 III is a DSLR. The cameras are based on a full frame (Leica SL3) and an APS-C (K-3 III) sensor. The Leica has a resolution of 60.3 megapixels, whereas the Pentax provides 25.6 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 SL3 and the Pentax K-3 III? 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 physical size and weight of the Leica SL3 and the Pentax K-3 III are illustrated 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.
The K-3 III can be obtained in two different colors (black, silver), while the Leica SL3 is only available in black.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-3 III is notably smaller (8 percent) than the Leica SL3. However, the K-3 III is markedly heavier (7 percent) than the Leica SL3. 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.
Concerning battery life, the Leica SL3 gets 320 shots out of its Leica BP-SCL6 battery, while the K-3 III can take 800 images on a single charge of its Pentax D-LI90 power pack. The power pack in the Leica SL3 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.
The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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.
Camera Model |
Camera Width |
Camera Height |
Camera Depth |
Camera Weight |
Battery Life |
Weather Sealing |
Camera Launch |
Launch Price |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Leica SL3 | 141 mm | 108 mm | 85 mm | 769 g | 320 | Y | Mar 2024 | EUR 6 799 | amazon.com | |
2. | Pentax K-3 III | 135 mm | 104 mm | 74 mm | 820 g | 800 | Y | Mar 2021 | EUR 1 999 | amazon.com | |
3. | Hasselblad X2D 100C | 149 mm | 106 mm | 75 mm | 895 g | 420 | Y | Sep 2022 | EUR 8 699 | amazon.com | |
4. | Leica Q3 | 130 mm | 80 mm | 93 mm | 743 g | 350 | Y | May 2023 | EUR 5 999 | amazon.com | |
5. | Leica SL | 147 mm | 104 mm | 39 mm | 847 g | 400 | Y | Oct 2015 | EUR 6 899 | ebay.com | |
6. | Leica SL2 | 146 mm | 107 mm | 42 mm | 953 g | 370 | Y | Nov 2019 | EUR 5 999 | amazon.com | |
7. | Leica SL2-S | 146 mm | 107 mm | 83 mm | 931 g | 510 | Y | Dec 2020 | EUR 4 499 | amazon.com | |
8. | Nikon Z8 | 144 mm | 119 mm | 83 mm | 910 g | 340 | Y | May 2023 | EUR 4 599 | amazon.com | |
9. | Panasonic S5 | 133 mm | 98 mm | 82 mm | 714 g | 440 | Y | Sep 2020 | EUR 1 999 | amazon.com | |
10. | Panasonic S5 II | 134 mm | 102 mm | 90 mm | 740 g | 370 | Y | Jan 2023 | EUR 2 199 | amazon.com | |
11. | Pentax K-3 | 131 mm | 100 mm | 77 mm | 800 g | 560 | Y | Oct 2013 | EUR 1 299 | ebay.com | |
12. | Pentax K-3 II | 131 mm | 100 mm | 77 mm | 800 g | 720 | Y | Apr 2015 | EUR 999 | ebay.com | |
13. | Pentax K-70 | 126 mm | 93 mm | 74 mm | 688 g | 410 | Y | Jun 2016 | EUR 699 | ebay.com | |
14. | Pentax KP | 132 mm | 101 mm | 76 mm | 703 g | 390 | Y | Jan 2017 | EUR 1 299 | ebay.com | |
15. | Sony A1 | 129 mm | 97 mm | 81 mm | 737 g | 530 | Y | Jan 2021 | EUR 7 299 | amazon.com | |
16. | Sony A7R V | 131 mm | 97 mm | 82 mm | 723 g | 530 | Y | Oct 2022 | EUR 4 499 | amazon.com | |
17. | Sony A9 III | 136 mm | 97 mm | 83 mm | 702 g | 530 | Y | Nov 2023 | EUR 6 999 | amazon.com | |
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders. | |||||||||||
Any camera decision will naturally be influenced heavily by the price. 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 K-3 III was launched at a markedly lower price (by 71 percent) than the Leica SL3, 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 size of the sensor inside a digital camera is one of the key determinants 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. 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 associated with larger, more expensive camera bodies and lenses.
Of the two cameras under consideration, the Leica SL3 features a full frame sensor and the Pentax K-3 III an APS-C sensor. The sensor area in the K-3 III is 58 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
With 60.3MP, the Leica SL3 offers a higher resolution than the K-3 III (25.6MP), but the Leica SL3 nevertheless has marginally larger individual pixels (pixel pitch of 3.79μm versus 3.76μm for the K-3 III) due to its larger sensor. Moreover, the Leica SL3 is a much more recent model (by 2 years and 11 months) than the K-3 III, 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 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 SL3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the Leica SL3 for good quality output (200 dots per inch) amounts to 47.6 x 31.7 inches or 120.9 x 80.5 cm, for very good quality (250 dpi) 38.1 x 25.3 inches or 96.7 x 64.4 cm, and for excellent quality (300 dpi) 31.7 x 21.1 inches or 80.6 x 53.6 cm. The corresponding values for the Pentax K-3 III are 31 x 20.6 inches or 78.6 x 52.4 cm for good quality, 24.8 x 16.5 inches or 62.9 x 41.9 cm for very good quality, and 20.6 x 13.8 inches or 52.4 x 35 cm for excellent quality prints.
The Leica SL3 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
Unlike the Leica SL3, the K-3 III 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 SL3 has a native sensitivity range from ISO 100 to ISO 100000, which can be extended to ISO 50-100000. The corresponding ISO settings for the Pentax K-3 III are ISO 100 to ISO 160000 (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.
Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.
Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports |
DXO Overall |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Leica SL3 | Full Frame | 60.3 | 9520 | 6336 | 8K/30p | 25.4 | 14.8 | 3295 | 97 | |
2. | Pentax K-3 III | APS-C | 25.6 | 6192 | 4128 | 4K/30p | 24.2 | 13.7 | 2083 | 85 | |
3. | Hasselblad X2D 100C | Medium Format | 102.1 | 11656 | 8762 | none | 25.9 | 14.9 | 3550 | 101 | |
4. | Leica Q3 | Full Frame | 60.3 | 9528 | 6328 | 8K/30p | 25.4 | 14.7 | 3216 | 96 | |
5. | Leica SL | Full Frame | 24.0 | 6000 | 4000 | 4K/30p | 25.0 | 13.4 | 1821 | 88 | |
6. | Leica SL2 | Full Frame | 46.7 | 8368 | 5584 | 4K/60p | 25.3 | 14.3 | 2866 | 95 | |
7. | Leica SL2-S | Full Frame | 24.0 | 6000 | 4000 | 4K/60p | 25.2 | 14.1 | 3504 | 95 | |
8. | Nikon Z8 | Full Frame | 45.4 | 8256 | 5504 | 8K/30p | 26.3 | 14.2 | 2548 | 98 | |
9. | Panasonic S5 | Full Frame | 24.0 | 6000 | 4000 | 4K/60p | 25.1 | 14.5 | 2697 | 94 | |
10. | Panasonic S5 II | Full Frame | 24.0 | 6000 | 4000 | 6K/30p | 25.4 | 14.6 | 3158 | 96 | |
11. | Pentax K-3 | APS-C | 24.1 | 6016 | 4000 | 1080/60i | 23.7 | 13.4 | 1216 | 80 | |
12. | Pentax K-3 II | APS-C | 24.1 | 6016 | 4000 | 1080/60i | 23.6 | 13.6 | 1106 | 80 | |
13. | Pentax K-70 | APS-C | 24.0 | 6000 | 4000 | 1080/60i | 23.8 | 13.1 | 1639 | 80 | |
14. | Pentax KP | APS-C | 24.1 | 6016 | 4000 | 1080/60i | 23.9 | 13.2 | 1699 | 81 | |
15. | Sony A1 | Full Frame | 49.8 | 8640 | 5760 | 8k/30p | 25.9 | 14.5 | 3163 | 98 | |
16. | Sony A7R V | Full Frame | 60.2 | 9504 | 6336 | 8k/24p | 26.5 | 14.8 | 3187 | 100 | |
17. | Sony A9 III | Full Frame | 24.0 | 6000 | 4000 | 4K/120p | 25.4 | 14.7 | 3243 | 96 | |
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 can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the Leica SL3 provides a higher video resolution than the K-3 III. It can shoot video footage at 8K/30p, while the Pentax is limited to 4K/30p.
Feature comparison
Apart from body and sensor, cameras can and do differ across a variety of features. For example, the Leica SL3 has an electronic viewfinder (5760k dots), while the K-3 III 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 viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the Leica SL3 has a higher magnification than the one of the K-3 III (0.76x vs 0.70x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Leica SL3, the Pentax K-3 III, and comparable cameras.
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 SL3 | 5760 | Y | 3.2 / 2333 | tilting | Y | 1/8000s | 5.0/s | n | Y | |
2. | Pentax K-3 III | optical | Y | 3.2 / 1620 | fixed | Y | 1/8000s | 12.0/s | n | Y | |
3. | Hasselblad X2D 100C | 5760 | Y | 3.6 / 2360 | tilting | Y | 1/4000s | 3.3/s | n | Y | |
4. | Leica Q3 | 5760 | n | 3.0 / 1840 | tilting | Y | 1/2000s | 15.0/s | n | Y | |
5. | Leica SL | 4400 | Y | 3.0 / 1040 | fixed | Y | 1/8000s | 11.0/s | n | n | |
6. | Leica SL2 | 5760 | Y | 3.2 / 2100 | fixed | Y | 1/8000s | 10.0/s | n | Y | |
7. | Leica SL2-S | 5760 | Y | 3.2 / 2100 | fixed | Y | 1/8000s | 20.0/s | n | Y | |
8. | Nikon Z8 | 3690 | Y | 3.2 / 2089 | full-flex | Y | 1/32000s | 30.0/s | n | Y | |
9. | Panasonic S5 | 2360 | n | 3.0 / 1840 | swivel | Y | 1/8000s | 7.0/s | n | Y | |
10. | Panasonic S5 II | 3680 | n | 3.0 / 1840 | swivel | Y | 1/8000s | 9.0/s | n | Y | |
11. | Pentax K-3 | optical | Y | 3.2 / 1037 | fixed | n | 1/8000s | 8.3/s | Y | Y | |
12. | Pentax K-3 II | optical | Y | 3.2 / 1037 | fixed | n | 1/8000s | 8.3/s | n | Y | |
13. | Pentax K-70 | optical | n | 3.0 / 921 | swivel | n | 1/6000s | 6.0/s | Y | Y | |
14. | Pentax KP | optical | n | 3.0 / 921 | tilting | n | 1/6000s | 7.0/s | Y | Y | |
15. | Sony A1 | 9437 | n | 3.0 / 1440 | tilting | Y | 1/8000s | 10.0/s | n | Y | |
16. | Sony A7R V | 9440 | n | 3.2 / 2100 | full-flex | Y | 1/8000s | 10.0/s | n | Y | |
17. | Sony A9 III | 9440 | n | 3.2 / 2100 | full-flex | Y | 1/80000s | 120.0/s | n | Y | |
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one. |
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 Leica SL3 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 SL3 and the Pentax K-3 III 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.
The Leica SL3 writes its imaging data to CFexpress (type B) or SDXC cards, while the K-3 III uses SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. Both the Leica SL3 and the K-3 III support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 MB/s (the second slot of the K-3 III only offers slower UHS-I transfer rates, though).
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 SL3 and Pentax K-3 III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Camera Model |
Hotshoe Port |
Internal Mic / Speaker |
Microphone Port |
Headphone Port |
HDMI Port |
USB Port |
WiFi Support |
NFC Support |
Bluetooth Support |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Leica SL3 | Y | stereo / mono | Y | Y | full | 3.1 | Y | - | Y | |
2. | Pentax K-3 III | Y | stereo / mono | Y | Y | micro | 3.2 | Y | - | Y | |
3. | Hasselblad X2D 100C | Y | stereo / mono | - | - | - | 3.2 | Y | - | - | |
4. | Leica Q3 | Y | stereo / mono | - | - | micro | 3.1 | Y | - | Y | |
5. | Leica SL | Y | stereo / mono | Y | Y | full | 3.0 | Y | - | - | |
6. | Leica SL2 | Y | stereo / mono | Y | Y | full | 3.1 | Y | - | Y | |
7. | Leica SL2-S | Y | stereo / mono | Y | Y | full | 3.2 | Y | - | Y | |
8. | Nikon Z8 | Y | stereo / mono | Y | Y | full | 3.2 | Y | - | Y | |
9. | Panasonic S5 | Y | stereo / mono | Y | Y | micro | 3.2 | Y | - | Y | |
10. | Panasonic S5 II | Y | stereo / mono | Y | Y | full | 3.2 | Y | - | Y | |
11. | Pentax K-3 | Y | mono / mono | Y | Y | mini | 3.0 | - | - | - | |
12. | Pentax K-3 II | Y | mono / mono | Y | Y | mini | 3.0 | - | - | - | |
13. | Pentax K-70 | Y | stereo / mono | Y | - | mini | 2.0 | Y | - | - | |
14. | Pentax KP | Y | stereo / mono | Y | - | - | 2.0 | Y | - | - | |
15. | Sony A1 | Y | stereo / mono | Y | Y | full | 3.2 | Y | - | Y | |
16. | Sony A7R V | Y | stereo / mono | Y | Y | full | 3.2 | Y | - | Y | |
17. | Sony A9 III | Y | stereo / mono | Y | Y | full | 3.2 | Y | - | Y |
Studio photographers will appreciate that the Pentax K-3 III (unlike the Leica SL3) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Travel and landscape photographers will find it useful that the K-3 III has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.
Both the Leica SL3 and the K-3 III are recent models that are part of the current product line-up. The K-3 III replaced the earlier Pentax K-3 II, while the Leica SL3 followed on from the Leica SL2. Further information on the features and operation of the Leica SL3 and K-3 III can be found, respectively, in the Leica SL3 Manual (free pdf) or the online Pentax K-3 III Manual.
Review summary
So how do things add up? Is the Leica SL3 better than the Pentax K-3 III or vice versa? Below is a summary of the relative strengths of each of the two contestants.
Arguments in favor of the Leica SL3:
- More detail: Offers more megapixels (60.3 vs 25.6MP) with a 54% higher linear resolution.
- 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.
- Better video: Provides higher definition movie capture (8K/30p vs 4K/30p).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- More framing info: Has an electronic viewfinder that displays shooting data.
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.76x vs 0.70x).
- More detailed LCD: Has a higher resolution rear screen (2333k vs 1620k dots).
- More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- Easier travel charging: Can be conveniently charged via its USB port.
- More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
- More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
- More prestigious: Has the Leica luxury appeal, which ensures a high resale price.
- More modern: Reflects 2 years and 11 months of technical progress since the K-3 III launch.
Reasons to prefer the Pentax K-3 III:
- High quality composites: Can combine several shots after pixel-shifting its sensor.
- Brighter framing: Features an optical viewfinder for clear, lag-free composition.
- Faster burst: Shoots at higher frequency (12 vs 5 flaps/sec) to capture the decisive moment.
- Longer lasting: Gets more shots (800 versus 320) out of a single battery charge.
- Easier geotagging: Features an internal GPS sensor to log localization data.
- Faster data transfer: Supports a more advanced USB protocol (3.2 vs 3.1).
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- More affordable: Was introduced into a lower priced category (71 percent cheaper at launch).
- More heavily discounted: Has been around for much longer (launched in March 2021).
If the count of relative strengths (bullet points above) is taken as a measure, the Leica SL3 is the clear winner of the match-up (17 : 9 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 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 SL3 and the Pentax K-3 III place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR Camera listings 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the Leica SL3 or the K-3 III. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.
Expert reviews
This is why hands-on reviews by experts 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.
Camera Model |
AP score |
CL score |
DCW score |
DPR score |
EPZ score |
PB score |
Camera Launch |
Launch Price |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Leica SL3 | .. | .. | 4.5/5 | .. | .. | 4.5/5 | Mar 2024 | EUR 6 799 | amazon.com | |
2. | Pentax K-3 III | 4/5 | .. | 3/5 | .. | 4.5/5 | .. | Mar 2021 | EUR 1 999 | amazon.com | |
3. | Hasselblad X2D 100C | 4/5 | .. | 5/5 | .. | .. | .. | Sep 2022 | EUR 8 699 | amazon.com | |
4. | Leica Q3 | 5/5 | .. | 4.5/5 | .. | .. | 4.5/5 | May 2023 | EUR 5 999 | amazon.com | |
5. | Leica SL | 4/5 | .. | 4/5 | 84/100 | 4.5/5 | 4/5 | Oct 2015 | EUR 6 899 | ebay.com | |
6. | Leica SL2 | 4/5 | .. | 4.5/5 | .. | 4.5/5 | 4/5 | Nov 2019 | EUR 5 999 | amazon.com | |
7. | Leica SL2-S | 4/5 | .. | 4/5 | .. | 4.5/5 | 4.5/5 | Dec 2020 | EUR 4 499 | amazon.com | |
8. | Nikon Z8 | 5/5 | .. | 5/5 | 94/100 | 5/5 | 4.5/5 | May 2023 | EUR 4 599 | amazon.com | |
9. | Panasonic S5 | 4.5/5 | + + | 4.5/5 | 88/100 | 4.5/5 | 4.5/5 | Sep 2020 | EUR 1 999 | amazon.com | |
10. | Panasonic S5 II | 4.5/5 | + + | 5/5 | 90/100 | 4.5/5 | 5/5 | Jan 2023 | EUR 2 199 | amazon.com | |
11. | Pentax K-3 | 4/5 | .. | .. | 83/100 | 5/5 | 5/5 | Oct 2013 | EUR 1 299 | ebay.com | |
12. | Pentax K-3 II | 4.5/5 | .. | .. | .. | 5/5 | 5/5 | Apr 2015 | EUR 999 | ebay.com | |
13. | Pentax K-70 | 4.5/5 | .. | 4/5 | 79/100 | 4.5/5 | 4.5/5 | Jun 2016 | EUR 699 | ebay.com | |
14. | Pentax KP | 4/5 | .. | 3/5 | 82/100 | 5/5 | 4.5/5 | Jan 2017 | EUR 1 299 | ebay.com | |
15. | Sony A1 | 5/5 | o | 4.5/5 | 93/100 | 4.5/5 | 5/5 | Jan 2021 | EUR 7 299 | amazon.com | |
16. | Sony A7R V | 5/5 | + + | 4.5/5 | 92/100 | .. | .. | Oct 2022 | EUR 4 499 | amazon.com | |
17. | Sony A9 III | 4.5/5 | .. | .. | .. | .. | .. | Nov 2023 | EUR 6 999 | amazon.com | |
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available. |
The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
Other camera comparisons
Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
- Canon R7 vs Leica SL3
- Fujifilm GFX 100 II vs Leica SL3
- Fujifilm GFX 100 vs Pentax K-3 III
- Fujifilm GFX 50S II vs Leica SL3
- Fujifilm X-T5 vs Pentax K-3 III
- Leica SL3 vs Nikon Zf
- Leica SL3 vs Panasonic G110
- Leica SL3 vs Sigma fp L
- Panasonic FZ1000 II vs Pentax K-3 III
- Panasonic GH2 vs Pentax K-3 III
- Panasonic GH5s vs Pentax K-3 III
- Pentax K-3 III vs Sony ZV-E1
Specifications: Leica SL3 vs Pentax K-3 III
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 SL3 | Pentax K-3 III |
---|---|---|
Camera Type | Mirrorless system camera | Digital single lens reflex |
Camera Lens | Leica L mount lenses | Pentax K mount lenses |
Launch Date | March 2024 | March 2021 |
Launch Price | USD 6,999 | USD 1,999 |
Sensor Specs | Leica SL3 | Pentax K-3 III |
Sensor Technology | CMOS | CMOS |
Sensor Format | Full Frame Sensor | APS-C Sensor |
Sensor Size | 36.0 x 24.0 mm | 23.3 x 15.5 mm |
Sensor Area | 864 mm2 | 361.15 mm2 |
Sensor Diagonal | 43.3 mm | 28 mm |
Crop Factor | 1.0x | 1.5x |
Sensor Resolution | 60.3 Megapixels | 25.6 Megapixels |
Image Resolution | 9520 x 6336 pixels | 6192 x 4128 pixels |
Pixel Pitch | 3.79 μm | 3.76 μm |
Pixel Density | 6.98 MP/cm2 | 7.08 MP/cm2 |
Moiré control | no AA filter | no AA filter |
Movie Capability | 8K/30p Video | 4K/30p Video |
ISO Setting | 100 - 100,000 ISO | 100 - 160,000 ISO |
ISO Boost | 50 - 100,000 ISO | no Enhancement |
Image Processor | Maestro IV | PRIME V |
Screen Specs | Leica SL3 | Pentax K-3 III |
Viewfinder Type | Electronic viewfinder | Optical viewfinder |
Viewfinder Field of View | 100% | 100% |
Viewfinder Magnification | 0.76x | 0.70x |
Viewfinder Resolution | 5760k dots | |
Top-Level Screen | Control Panel | Control Panel |
LCD Framing | Live View | Live View |
Rear LCD Size | 3.2inch | 3.2inch |
LCD Resolution | 2333k dots | 1620k dots |
LCD Attachment | Tilting screen | Fixed screen |
Touch Input | Touchscreen | Touchscreen |
Shooting Specs | Leica SL3 | Pentax K-3 III |
Focus System | On-Sensor Phase-detect | Phase-detect AF |
Manual Focusing Aid | Focus Peaking | Focus Peaking |
Max Shutter Speed (mechanical) | 1/8000s | 1/8000s |
Continuous Shooting | 5 shutter flaps/s | 12 shutter flaps/s |
Electronic Shutter | up to 1/16000s | no E-Shutter |
Time-Lapse Photography | Intervalometer built-in | Intervalometer built-in |
Image Stabilization | In-body stabilization | In-body stabilization |
Fill Flash | no On-Board Flash | no On-Board Flash |
Storage Medium | CFexB or SDXC cards | SDXC cards |
Single or Dual Card Slots | Dual card slots | Dual card slots |
UHS card support | UHS-II | Single UHS-II |
Connectivity Specs | Leica SL3 | Pentax K-3 III |
External Flash | Hotshoe | Hotshoe |
Studio Flash | no PC Sync | PC Sync socket |
USB Connector | USB 3.1 | USB 3.2 |
HDMI Port | full HDMI | micro 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 | Bluetooth built-in | Bluetooth built-in |
Geotagging | no internal GPS | GPS built-in |
Body Specs | Leica SL3 | Pentax K-3 III |
Environmental Sealing | Weathersealed body | Weathersealed body |
Battery Type | Leica BP-SCL6 | Pentax D-LI90 |
Battery Life (CIPA) | 320 shots per charge | 800 shots per charge |
In-Camera Charging | USB charging | no USB charging |
Body Dimensions |
141 x 108 x 85 mm (5.6 x 4.3 x 3.3 in) |
135 x 104 x 74 mm (5.3 x 4.1 x 2.9 in) |
Camera Weight | 769 g (27.1 oz) | 820 g (28.9 oz) |
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