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Leica SL3-S vs OM System OM-1

The Leica SL3-S and the OM System OM-1 are two enthusiast cameras that were officially introduced, respectively, in January 2025 and February 2022. Both the Leica SL3-S and the OM-1 are mirrorless interchangeable lens cameras that are based on a full frame (Leica SL3-S) and a Four Thirds (OM-1) sensor. The Leica has a resolution of 24 megapixels, whereas the OM System provides 20.2 MP.

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

Headline Specifications
Leica SL3-S
versus
OM System OM-1
Leica SL3-S   OM System OM-1
Mirrorless system camera Mirrorless system camera
Leica L mount lenses Micro Four Thirds lenses
24 MP – Full Frame sensor 20.2 MP – Four Thirds sensor
6K/30p Video 4K/60p Video
ISO 100-50,000 (50 - 100,000) ISO 80-25,600 (80 - 102,400)
Electronic viewfinder (5760k dots) Electronic viewfinder (5760k dots)
3.2" LCD – 2333k dots 3.0" LCD – 1640k dots
Tilting touchscreen Swivel touchscreen
30 shutter flaps per second 10 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
315 shots per battery charge520 shots per battery charge
141 x 108 x 85 mm, 852 g 135 x 92 x 73 mm, 599 g
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Check Leica SL3-S price at
amazon.com
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Check OM-1 offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Leica SL3-S and the OM System OM-1? 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.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Leica SL3-S and the OM System OM-1. 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.

Size Leica SL3-S vs OM System OM-1
Compare Leica SL3-S versus OM-1 top
Comparison Leica SL3-S or OM-1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the OM System OM-1 is notably smaller (18 percent) than the Leica SL3-S. Moreover, the OM-1 is markedly lighter (30 percent) than the Leica SL3-S. 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-S gets 315 shots out of its Leica BP-SCL6 battery, while the OM-1 can take 520 images on a single charge of its OM System BLX-1 power pack. The battery packs of both cameras can be charged via USB, 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 want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Leica SL3-S 141 mm 108 mm 85 mm 852 g 315 Y Jan 2025 US$ 5 299 amazon.com
2.
 
OM System OM-1 135 mm 92 mm 73 mm 599 g 520 Y Feb 2022 US$ 2 199ebay.com
3.
 
Canon R1 158 mm 150 mm 87 mm 1115 g 1330 Y Jul 2024 US$ 6 299 amazon.com
4.
 
Canon R3 150 mm 143 mm 87 mm 1015 g 760 Y Sep 2021 US$ 5 999 amazon.com
5.
 
Leica SL2 146 mm 107 mm 42 mm 953 g 370 Y Nov 2019 US$ 5 999 amazon.com
6.
 
Leica SL2-S 146 mm 107 mm 83 mm 931 g 510 Y Dec 2020 US$ 4 899 amazon.com
7.
 
Leica SL3 141 mm 108 mm 85 mm 854 g 320 Y Mar 2024 US$ 6 999 amazon.com
8.
 
Nikon Z5 II 134 mm 101 mm 72 mm 700 g 330 Y Apr 2025 US$ 1 699 amazon.com
9.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 US$ 1 999ebay.com
10.
 
Olympus E-M1 III 134 mm 91 mm 69 mm 580 g 420 Y Feb 2020 US$ 1 799ebay.com
11.
 
OM System OM-1 II 135 mm 92 mm 73 mm 599 g 500 Y Jan 2024 US$ 2 399 amazon.com
12.
 
OM System OM-3 139 mm 89 mm 46 mm 496 g 590 Y Feb 2025 US$ 1 999 amazon.com
13.
 
Panasonic GH5 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 US$ 1 999ebay.com
14.
 
Panasonic S1 II 134 mm 102 mm 92 mm 800 g 350 Y May 2025 US$ 3 199 amazon.com
15.
 
Panasonic S5 133 mm 98 mm 82 mm 714 g 440 Y Sep 2020 US$ 1 999 amazon.com
16.
 
Panasonic S5 II 134 mm 102 mm 90 mm 740 g 370 Y Jan 2023 US$ 1 999 amazon.com
17.
 
Sony A9 III 136 mm 97 mm 83 mm 702 g 530 Y Nov 2023 US$ 5 999 amazon.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 OM-1 was launched at a markedly lower price (by 59 percent) than the Leica SL3-S, 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.

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. 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. 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Leica SL3-S features a full frame sensor and the OM System OM-1 a Four Thirds sensor. The sensor area in the OM-1 is 74 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 2.0. The sensor in the Leica SL3-S has a native 3:2 aspect ratio, while the one in the OM-1 offers a 4:3 aspect.

Leica SL3-S and OM System OM-1 sensor measures

With 24MP, the Leica SL3-S offers a higher resolution than the OM-1 (20.2MP), but the Leica SL3-S nevertheless has larger individual pixels (pixel pitch of 6.00μm versus 3.34μm for the OM-1) due to its larger sensor. Moreover, the Leica SL3-S is a much more recent model (by 2 years and 11 months) than the OM-1, 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-S implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the Leica SL3-S for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the OM System OM-1 are 25.9 x 19.4 inches or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inches or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inches or 43.9 x 32.9 cm for excellent quality prints.

Both cameras have the capacity to capture high quality composite images by combining multiple shots after shifting the sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Leica SL3-S has a native sensitivity range from ISO 100 to ISO 50000, which can be extended to ISO 50-100000. The corresponding ISO settings for the OM System OM-1 are ISO 80 to ISO 25600, with the possibility to increase the ISO range to 80-102400.

In terms of underlying technology, the Leica SL3-S is build around a CMOS sensor, while the OM-1 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.

Leica SL3-S versus OM-1 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Leica SL3-S Full Frame 24.0 6000 40006K/30p25.414.8338397
2.
 
OM System OM-1 Four Thirds 20.2 5184 38884K/60p23.413.4155377
3.
 
Canon R1 Full Frame 24.0 6000 40006K/60p25.414.8333297
4.
 
Canon R3 Full Frame 24.0 6000 40006K/60p25.014.7408696
5.
 
Leica SL2 Full Frame 46.7 8368 55844K/60p25.314.3286695
6.
 
Leica SL2-S Full Frame 24.0 6000 40004K/60p25.214.1350495
7.
 
Leica SL3 Full Frame 60.3 9520 63368K/30p25.414.8329597
8.
 
Nikon Z5 II Full Frame 24.4 6048 40324K/60p25.414.8339897
9.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
10.
 
Olympus E-M1 III Four Thirds 20.2 5184 38884K/30p23.313.1135676
11.
 
OM System OM-1 II Four Thirds 20.2 5184 38884K/60p23.413.6174978
12.
 
OM System OM-3 Four Thirds 20.2 5184 38884K/60p23.413.7185278
13.
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777
14.
 
Panasonic S1 II Full Frame 24.0 6000 40006K/30p25.414.8340697
15.
 
Panasonic S5 Full Frame 24.0 6000 40004K/60p25.114.5269794
16.
 
Panasonic S5 II Full Frame 24.0 6000 40006K/30p25.414.6315896
17.
 
Sony A9 III Full Frame 24.0 6000 40004K/120p25.414.7324396
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 Leica SL3-S provides a higher video resolution than the OM-1. It can shoot video footage at 6K/30p, while the OM System is limited to 4K/60p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The Leica SL3-S and the OM-1 are similar in the sense that both feature an electronic viewfinder, which is helpful when framing images in bright sunlight. Moreover, their viewfinders offer an identical resolution of 5760k dots. The table below summarizes some of the other core capabilities of the Leica SL3-S and OM System OM-1 in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty 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-S5760 Y3.2 / 2333 tilting Y 1/8000s 30.0/s n Y
2.
 
OM System OM-15760 n3.0 / 1640 swivel Y 1/8000s 10.0/s n Y
3.
 
Canon R19440 Y3.2 / 2100 swivel Y 1/8000s 12.0/s n Y
4.
 
Canon R35760 Y3.2 / 4150 swivel Y 1/8000s 12.0/s n Y
5.
 
Leica SL25760 Y3.2 / 2100 fixed Y 1/8000s 10.0/s n Y
6.
 
Leica SL2-S5760 Y3.2 / 2100 fixed Y 1/8000s 20.0/s n Y
7.
 
Leica SL35760 Y3.2 / 2333 tilting Y 1/8000s 5.0/s n Y
8.
 
Nikon Z5 II3690 n3.2 / 2100 swivel Y 1/8000s 14.0/s n Y
9.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
10.
 
Olympus E-M1 III2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
11.
 
OM System OM-1 II5760 n3.0 / 1640 swivel Y 1/8000s 10.0/s n Y
12.
 
OM System OM-32360 n3.0 / 1640 swivel Y 1/8000s 6.0/s n Y
13.
 
Panasonic GH53680 n3.2 / 1620 swivel Y 1/8000s 12.0/s n Y
14.
 
Panasonic S1 II5760 n3.2 / 1840 full-flex Y 1/8000s 10.0/s n Y
15.
 
Panasonic S52360 n3.0 / 1840 swivel Y 1/8000s 7.0/s n Y
16.
 
Panasonic S5 II3680 n3.0 / 1840 swivel Y 1/8000s 9.0/s n Y
17.
 
Sony A9 III9440 n3.2 / 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.

One feature that is present on the Leica SL3-S, but is missing on the OM-1 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 OM-1 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the Leica SL3-S does not have a selfie-screen.

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 SL3-S and the OM System OM-1 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-S writes its imaging data to CFexpress (type B) or SDXC cards, while the OM-1 uses SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. Moreover, both cameras support UHS-II cards (Ultra High Speed data transfer of up to 312 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 Leica SL3-S and OM System OM-1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Leica SL3-SYstereo / monoYYfull3.2Y-Y
2.
 
OM System OM-1Ystereo / monoYYmicro3.0Y-Y
3.
 
Canon R1Ystereo / monoYYfull3.2Y-Y
4.
 
Canon R3Ystereo / monoYYmicro3.2Y-Y
5.
 
Leica SL2Ystereo / monoYYfull3.1Y-Y
6.
 
Leica SL2-SYstereo / monoYYfull3.2Y-Y
7.
 
Leica SL3Ystereo / monoYYfull3.1Y-Y
8.
 
Nikon Z5 IIYstereo / monoYYmicro3.2Y-Y
9.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
10.
 
Olympus E-M1 IIIYstereo / monoYYmicro3.1Y-Y
11.
 
OM System OM-1 IIYstereo / monoYYmicro3.0Y-Y
12.
 
OM System OM-3Ystereo / monoYYmicro3.0Y-Y
13.
 
Panasonic GH5Ystereo / monoYYfull3.1Y-Y
14.
 
Panasonic S1 IIYstereo / monoYYfull3.2Y-Y
15.
 
Panasonic S5Ystereo / monoYYmicro3.2Y-Y
16.
 
Panasonic S5 IIYstereo / monoYYfull3.2Y-Y
17.
 
Sony A9 IIIYstereo / monoYYfull3.2Y-Y

Studio photographers will appreciate that the OM System OM-1 (unlike the Leica SL3-S) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The Leica SL3-S is a recent model that features in the current product line-up of Leica. In contrast, the OM-1 has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the OM-1 was succeeded by the OM System OM-1 II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Leica and OM System websites.

Review summary

So what conclusions can be drawn? Is the Leica SL3-S better than the OM System OM-1 or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Leica SL3-S:

  • More detail: Offers more megapixels (24 vs 20.2MP) with a 11% 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 (6K/30p vs 4K/60p).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • 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 (2333k vs 1640k dots).
  • Faster burst: Shoots at higher frequency (30 vs 10 flaps/sec) to capture the decisive moment.
  • 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 OM-1 launch.

ilogo

Advantages of the OM System OM-1:

  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.82x vs 0.76x).
  • 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.
  • More compact: Is smaller (135x92mm vs 141x108mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 253g or 30 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (520 versus 315) out of a single battery charge.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More affordable: Was introduced into a lower priced category (59 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in February 2022).

If the count of relative strengths (bullet points above) is taken as a measure, the Leica SL3-S is the clear winner of the match-up (13 : 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

Leica SL3-S 13:09 OM-1

How about other alternatives? Do the specifications of the Leica SL3-S and the OM System OM-1 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the Leica SL3-S and the OM-1 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.

Expert reviews

This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Leica SL3-S............ Jan 2025 US$ 5 299 amazon.com
2.
 
OM System OM-15/5....87/1005/54.5/5 Feb 2022 US$ 2 199ebay.com
3.
 
Canon R1............ Jul 2024 US$ 6 299 amazon.com
4.
 
Canon R35/5o4.5/5..5/54.5/5 Sep 2021 US$ 5 999 amazon.com
5.
 
Leica SL24/5..4.5/5..4.5/54/5 Nov 2019 US$ 5 999 amazon.com
6.
 
Leica SL2-S4/5..4/5..4.5/54.5/5 Dec 2020 US$ 4 899 amazon.com
7.
 
Leica SL3....4.5/5....4.5/5 Mar 2024 US$ 6 999 amazon.com
8.
 
Nikon Z5 II............ Apr 2025 US$ 1 699 amazon.com
9.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 US$ 1 999ebay.com
10.
 
Olympus E-M1 III5/5..5/583/1004.5/54/5 Feb 2020 US$ 1 799ebay.com
11.
 
OM System OM-1 II............ Jan 2024 US$ 2 399 amazon.com
12.
 
OM System OM-3......86/100.... Feb 2025 US$ 1 999 amazon.com
13.
 
Panasonic GH54.5/5+ +..85/1004.5/55/5 Jan 2017 US$ 1 999ebay.com
14.
 
Panasonic S1 II............ May 2025 US$ 3 199 amazon.com
15.
 
Panasonic S54.5/5+ +4.5/588/1004.5/54.5/5 Sep 2020 US$ 1 999 amazon.com
16.
 
Panasonic S5 II4.5/5+ +5/590/1004.5/55/5 Jan 2023 US$ 1 999 amazon.com
17.
 
Sony A9 III4.5/5....91/100.... Nov 2023 US$ 5 999 amazon.com
Note: (+ +) 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. A score, therefore, has to be seen in close connection to the price and market introduction time 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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Check Leica SL3-S price at
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Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes 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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    Specifications: Leica SL3-S vs OM System OM-1

    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 Specifications
    Camera Model Leica SL3-S OM System OM-1
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Leica L mount lenses Micro Four Thirds lenses
    Launch Date January 2025 February 2022
    Launch Price USD 5,299 USD 2,199
    Sensor Specs Leica SL3-S OM System OM-1
    Sensor Technology CMOS Stacked BSI-CMOS
    Sensor Format Full Frame Sensor Four Thirds Sensor
    Sensor Size 36.0 x 24.0 mm 17.3 x 13.0 mm
    Sensor Area 864 mm2 224.9 mm2
    Sensor Diagonal 43.3 mm 21.6 mm
    Crop Factor 1.0x 2.0x
    Sensor Resolution 24 Megapixels 20.2 Megapixels
    Image Resolution 6000 x 4000 pixels 5184 x 3888 pixels
    Pixel Pitch 6.00 μm 3.34 μm
    Pixel Density 2.78 MP/cm2 8.96 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 6K/30p Video 4K/60p Video
    ISO Setting 100 - 50,000 ISO 80 - 25,600 ISO
    ISO Boost 50 - 100,000 ISO 80 - 102,400 ISO
    Image Processor Maestro IV TruePic X
    Screen Specs Leica SL3-S OM System OM-1
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.76x 0.82x
    Viewfinder Resolution 5760k dots 5760k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 2333k dots 1640k dots
    LCD Attachment Tilting screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Leica SL3-S OM System OM-1
    Focus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 30 shutter flaps/s 10 shutter flaps/s
    Shutter Life Expectancy400 000 actuations400 000 actuations
    Electronic Shutterup to 1/16000sup to 1/32000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-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 Dual UHS-II
    Connectivity Specs Leica SL3-S OM System OM-1
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 3.2 USB 3.0
    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
    Body Specs Leica SL3-S OM System OM-1
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Leica BP-SCL6 OM System BLX-1
    Battery Life (CIPA)315 shots per charge520 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 141 x 108 x 85 mm
    (5.6 x 4.3 x 3.3 in)
    135 x 92 x 73 mm
    (5.3 x 3.6 x 2.9 in)
    Camera Weight 852 g (30.1 oz) 599 g (21.1 oz)
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