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Leica SL3 vs OM System OM-3

The Leica SL3 and the OM System OM-3 are two enthusiast cameras that were announced, respectively, in March 2024 and February 2025. Both the Leica SL3 and the OM-3 are mirrorless interchangeable lens cameras that are based on a full frame (Leica SL3) and a Four Thirds (OM-3) sensor. The Leica has a resolution of 60.3 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
versus
OM System OM-3
Leica SL3   OM System OM-3
Mirrorless system camera Mirrorless system camera
Leica L mount lenses Micro Four Thirds lenses
60.3 MP – Full Frame sensor 20.2 MP – Four Thirds sensor
8K/30p Video 4K/60p Video
ISO 100-100,000 ISO 80-25,600 (80 - 102,400)
Electronic viewfinder (5760k dots) Electronic viewfinder (2360k dots)
3.2" LCD – 2333k dots 3.0" LCD – 1640k dots
Tilting touchscreen Swivel touchscreen
5 shutter flaps per second 6 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
320 shots per battery charge590 shots per battery charge
141 x 108 x 85 mm, 854 g 139 x 89 x 46 mm, 496 g
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Check Leica SL3 price at
amazon.com
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Check OM-3 price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Leica SL3 and the OM System OM-3? 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

An illustration of the physical size and weight of the Leica SL3 and the OM System OM-3 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 dimensions are rounded to the nearest millimeter.

The OM-3 can be obtained in two different colors (black, silver), while the Leica SL3 is only available in black.

Size Leica SL3 vs OM System OM-3
Compare Leica SL3 versus OM-3 top
Comparison Leica SL3 or OM-3 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-3 is notably smaller (19 percent) than the Leica SL3. Moreover, the OM-3 is substantially lighter (42 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 OM-3 can take 590 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 following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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 141 mm 108 mm 85 mm 854 g 320 Y Mar 2024 US$ 6 999 amazon.com
2.
 
OM System OM-3 139 mm 89 mm 46 mm 496 g 590 Y Feb 2025 US$ 1 999 amazon.com
3.
 
Leica Q3 130 mm 80 mm 93 mm 743 g 350 Y May 2023 US$ 5 999 amazon.com
4.
 
Leica SL 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 US$ 7 449ebay.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-S 141 mm 108 mm 85 mm 852 g 315 Y Jan 2025 US$ 5 299 amazon.com
8.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 US$ 1 999ebay.com
9.
 
Olympus E-M1 III 134 mm 91 mm 69 mm 580 g 420 Y Feb 2020 US$ 1 799ebay.com
10.
 
OM System OM-1 135 mm 92 mm 73 mm 599 g 520 Y Feb 2022 US$ 2 199ebay.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-5 II 125 mm 85 mm 50 mm 414 g 310 Y Jun 2025 US$ 1 199 amazon.com
13.
 
Panasonic S1 II 134 mm 102 mm 92 mm 800 g 350 Y May 2025 US$ 3 199 amazon.com
14.
 
Panasonic S5 II 134 mm 102 mm 90 mm 740 g 370 Y Jan 2023 US$ 1 999 amazon.com
15.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 US$ 6 499 amazon.com
16.
 
Sony A1 II 136 mm 97 mm 83 mm 743 g 520 Y Nov 2024 US$ 6 499 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.

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 OM-3 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Leica SL3 features a full frame sensor and the OM System OM-3 a Four Thirds sensor. The sensor area in the OM-3 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 has a native 3:2 aspect ratio, while the one in the OM-3 offers a 4:3 aspect.

Leica SL3 and OM System OM-3 sensor measures

With 60.3MP, the Leica SL3 offers a higher resolution than the OM-3 (20.2MP), but the Leica SL3 nevertheless has larger individual pixels (pixel pitch of 3.79μm versus 3.34μm for the OM-3) due to its larger sensor. However, the OM-3 is a somewhat more recent model (by 11 months) than the Leica SL3, and its sensor might have benefitted from technological advances during this time that 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 OM System OM-3 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.

Unlike the Leica SL3, the OM-3 has the capacity to capture high quality composite images (80MP) 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 OM System OM-3 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 is build around a CMOS sensor, while the OM-3 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 versus OM-3 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). 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 Full Frame 60.3 9520 63368K/30p25.414.8329597
2.
 
OM System OM-3 Four Thirds 20.2 5184 38884K/60p23.413.7185278
3.
 
Leica Q3 Full Frame 60.3 9528 63288K/30p25.414.7321696
4.
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188
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-S Full Frame 24.0 6000 40006K/30p25.414.8338397
8.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
9.
 
Olympus E-M1 III Four Thirds 20.2 5184 38884K/30p23.313.1135676
10.
 
OM System OM-1 Four Thirds 20.2 5184 38884K/60p23.413.4155377
11.
 
OM System OM-1 II Four Thirds 20.2 5184 38884K/60p23.413.6174978
12.
 
OM System OM-5 II Four Thirds 20.2 5184 38884K/30p23.413.7188978
13.
 
Panasonic S1 II Full Frame 24.0 6000 40006K/30p25.414.8340697
14.
 
Panasonic S5 II Full Frame 24.0 6000 40006K/30p25.414.6315896
15.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
16.
 
Sony A1 II Full Frame 49.8 8640 57608k/30p25.414.8336397
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 can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the Leica SL3 provides a higher video resolution than the OM-3. It can shoot video footage at 8K/30p, while the OM System is limited to 4K/60p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the Leica SL3 offers a substantially higher resolution than the one in the OM-3 (5760k vs 2360k dots). The following table reports on some other key feature differences and similarities of the Leica SL3, the OM System OM-3, and comparable 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 SL35760 Y3.2 / 2333 tilting Y 1/8000s 5.0/s n Y
2.
 
OM System OM-32360 n3.0 / 1640 swivel Y 1/8000s 6.0/s n Y
3.
 
Leica Q35760 n3.0 / 1840 tilting Y 1/2000s 15.0/s n Y
4.
 
Leica SL4400 Y3.0 / 1040 fixed Y 1/8000s 11.0/s n n
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 SL3-S5760 Y3.2 / 2333 tilting Y 1/8000s 30.0/s n Y
8.
 
Olympus E-M1 II2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
9.
 
Olympus E-M1 III2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
10.
 
OM System OM-15760 n3.0 / 1640 swivel Y 1/8000s 10.0/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-5 II2360 n3.0 / 1040 swivel Y 1/8000s 10.0/s n Y
13.
 
Panasonic S1 II5760 n3.2 / 1840 full-flex Y 1/8000s 10.0/s n Y
14.
 
Panasonic S5 II3680 n3.0 / 1840 swivel Y 1/8000s 9.0/s n Y
15.
 
Sony A19437 n3.0 / 1440 tilting Y 1/8000s 30.0/s n Y
16.
 
Sony A1 II9437 n3.2 / 2100 full-flex Y 1/8000s 30.0/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, but is missing on the OM-3 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-3 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 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 and the OM System OM-3 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 OM-3 uses SDXC cards. The Leica SL3 features dual card slots, which can be very useful in case a memory card fails. In contrast, the OM-3 only has one slot. Both cameras support UHS-II cards, which provide for 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 and OM System OM-3 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 SL3Ystereo / monoYYfull3.1Y-Y
2.
 
OM System OM-3Ystereo / monoYYmicro3.0Y-Y
3.
 
Leica Q3Ystereo / mono--micro3.1Y-Y
4.
 
Leica SLYstereo / monoYYfull3.0Y--
5.
 
Leica SL2Ystereo / monoYYfull3.1Y-Y
6.
 
Leica SL2-SYstereo / monoYYfull3.2Y-Y
7.
 
Leica SL3-SYstereo / monoYYfull3.2Y-Y
8.
 
Olympus E-M1 IIYstereo / monoYYmicro3.0Y--
9.
 
Olympus E-M1 IIIYstereo / monoYYmicro3.1Y-Y
10.
 
OM System OM-1Ystereo / monoYYmicro3.0Y-Y
11.
 
OM System OM-1 IIYstereo / monoYYmicro3.0Y-Y
12.
 
OM System OM-5 IIYstereo / monoY-micro2.0Y-Y
13.
 
Panasonic S1 IIYstereo / monoYYfull3.2Y-Y
14.
 
Panasonic S5 IIYstereo / monoYYfull3.2Y-Y
15.
 
Sony A1Ystereo / monoYYfull3.2Y-Y
16.
 
Sony A1 IIYstereo / monoYYfull3.2Y-Y
17.
 
Sony A9 IIIYstereo / monoYYfull3.2Y-Y

Both the Leica SL3 and the OM-3 are recent models that are part of the current product line-up. The Leica SL3 replaced the earlier Leica SL2, while the OM-3 does not have a direct predecessor. 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? Which of the two cameras – the Leica SL3 or the OM System OM-3 – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Leica SL3:

  • More detail: Offers more megapixels (60.3 vs 20.2MP) with a 76% higher linear resolution.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Better video: Provides higher definition movie capture (8K/30p vs 4K/60p).
  • More detailed viewfinder: Has higher resolution electronic viewfinder (5760k vs 2360k dots).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.76x vs 0.69x).
  • 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).
  • More solid recording: Has a full-sized HDMI port for a sturdy connection to an external recorder.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale price.
  • More heavily discounted: Has been on the market for longer (launched in March 2024).

ilogo

Arguments in favor of the OM System OM-3:

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • 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.
  • Faster burst: Shoots at higher frequency (6 vs 5 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (139x89mm vs 141x108mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 358g or 42 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (590 versus 320) out of a single battery charge.
  • More affordable: Was introduced into a lower priced category (71 percent cheaper at launch).
  • More modern: Was introduced somewhat (11 months) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the Leica SL3 is the clear winner of the match-up (15 : 9 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.

Leica SL3 15:09 OM-3

How about other alternatives? Do the specifications of the Leica SL3 and the OM System OM-3 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 Leica SL3 and the OM-3 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 where reviews by experts come in. 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....4.5/5....4.5/5 Mar 2024 US$ 6 999 amazon.com
2.
 
OM System OM-3......86/100.... Feb 2025 US$ 1 999 amazon.com
3.
 
Leica Q35/5..4.5/5....4.5/5 May 2023 US$ 5 999 amazon.com
4.
 
Leica SL4/5..4/584/1004.5/54/5 Oct 2015 US$ 7 449ebay.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-S............ Jan 2025 US$ 5 299 amazon.com
8.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 US$ 1 999ebay.com
9.
 
Olympus E-M1 III5/5..5/583/1004.5/54/5 Feb 2020 US$ 1 799ebay.com
10.
 
OM System OM-15/5....87/1005/54.5/5 Feb 2022 US$ 2 199ebay.com
11.
 
OM System OM-1 II............ Jan 2024 US$ 2 399 amazon.com
12.
 
OM System OM-5 II............ Jun 2025 US$ 1 199 amazon.com
13.
 
Panasonic S1 II............ May 2025 US$ 3 199 amazon.com
14.
 
Panasonic S5 II4.5/5+ +5/590/1004.5/55/5 Jan 2023 US$ 1 999 amazon.com
15.
 
Sony A15/5o4.5/593/1004.5/55/5 Jan 2021 US$ 6 499 amazon.com
16.
 
Sony A1 II............ Nov 2024 US$ 6 499 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.

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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Check Leica SL3 price at
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Check OM-3 price at
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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Leica SL3 vs OM System OM-3

    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 OM System OM-3
    Camera Type Mirrorless system camera Mirrorless system camera
    Camera Lens Leica L mount lenses Micro Four Thirds lenses
    Launch Date March 2024 February 2025
    Launch Price USD 6,999 USD 1,999
    Sensor Specs Leica SL3 OM System OM-3
    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 60.3 Megapixels 20.2 Megapixels
    Image Resolution 9520 x 6336 pixels 5184 x 3888 pixels
    Pixel Pitch 3.79 μm 3.34 μm
    Pixel Density 6.98 MP/cm2 8.96 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 8K/30p Video 4K/60p Video
    ISO Setting 100 - 100,000 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 OM System OM-3
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.76x 0.69x
    Viewfinder Resolution 5760k dots 2360k 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 OM System OM-3
    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 5 shutter flaps/s 6 shutter flaps/s
    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 Single card slot
    UHS card support UHS-II UHS-II
    Connectivity Specs Leica SL3 OM System OM-3
    External Flash Hotshoe Hotshoe
    USB Connector USB 3.1 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 OM System OM-3
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Leica BP-SCL6 OM System BLX-1
    Battery Life (CIPA)320 shots per charge590 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)
    139 x 89 x 46 mm
    (5.5 x 3.5 x 1.8 in)
    Camera Weight 854 g (30.1 oz) 496 g (17.5 oz)
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