Canon EOS 1DX III Vs Canon EOS SL3

Canon has been regarded as a reliable brand for many years as the industry standard when it comes to professional photography. The breadth of their camera lineup is illustrative of both the company’s dedication to innovation and the importance it places on quality.

In this post, we will compare two of their popular models, the Canon EOS 1DX III and the Canon EOS SL3, in order to assist you in making an informed selection based on the requirements and inclinations that are unique to your situation.

Overview of Canon EOS 1DX III and Canon EOS SL3

Before we dive into the specifics, let’s take a high-level look at the two different cameras. The Canon EOS 1DX III is the company’s flagship model, and it was developed specifically for use by professional photographers working in the fields of sports and wildlife photography. These photographers demand high-speed performance in addition to excellent image quality.

On the other hand, the Canon EOS SL3 is a digital single-lens reflex camera that is both small and lightweight. It is designed primarily for novice users and enthusiasts who are searching for a camera that is both economical and powerful.

Design and Build

The magnesium alloy body of the Canon EOS 1DX III is extremely durable and weather-sealed; it was constructed to resist challenging shooting environments. It has a comfortable grip and a straightforward button arrangement, allowing you speedy access to the most important tasks.

In comparison, the Canon EOS SL3 features a design that is more small and lightweight, making it ideal for photographers who want a camera that is simple to carry around but does not sacrifice performance in any way.

Image Sensor and Resolution

Even in dimly illuminated environments, the EOS 1DX III’s superb image quality is maintained because to its full-frame 20.1MP CMOS sensor.

On the other hand, the EOS SL3 is equipped with a more compact APS-C 24.1MP CMOS sensor that is still capable of delivering stunning images but may not be able to match the performance of the EOS 1DX III in difficult lighting settings.

Autofocus System

The EOS 1DX III is Canon’s top model, and it features a sophisticated 191-point autofocus system with superior artificial intelligence tracking that ensures precise focus on subjects that are moving quickly.

Even while it has a good 9-point focusing system, the EOS SL3 is not as sophisticated as the model that sits above it in the Canon product line.

Specifications Comparison

SpecificationCanon EOS 1DX Mark IIICanon EOS Rebel SL3
Sensor Resolution20.1 megapixels24.1 megapixels
Sensor SizeFull-frame (35.9×23.9mm)APS-C (22.3×14.9mm)
ISO Range100-102,400 (expandable to 50-819,200)100-25,600 (expandable to 51,200)
Image ProcessorDual DIGIC XDIGIC 8
Maximum Burst Rate16 frames per second5 frames per second
Autofocus Points191 AF points (155 cross-type)9 AF points (all cross-type)
Video Recording4K UHD at 60fps, Full HD at 120fps4K UHD at 25fps, Full HD at 60fps
LCD Screen3.2-inch, fixed touchscreen with 2.1M dots3.0-inch, vari-angle touchscreen with 1.04M dots
ViewfinderOptical (pentaprism), 100% coverageOptical (pentamirror), 95% coverage
Built-in Wi-FiYesYes
Built-in BluetoothYesYes
Dual Card SlotsCFexpress, CFast 2.0SD, SDHC, SDXC
Battery LifeApprox. 2850 shots per chargeApprox. 1070 shots per charge
Dimensions (WxHxD)158×167.6×82.6 mm122.4×92.6×69.8 mm
WeightApprox. 1250g (body only)Approx. 449g (body only)

Burst Shooting

It is essential to have burst shooting capabilities while photographing sports and activity. When using the camera’s optical viewfinder, the EOS 1DX III is capable of an outstanding burst rate of 16 frames per second (fps), while the camera’s Live View mode can achieve up to 20 fps.

On the other hand, the Canon EOS SL3 has a reasonable 5 frames per second (fps) burst rate, which is suitable for normal photography but may not be perfect for recording action that is happening quickly.

Image Stabilization

In-body image stabilization is built into the Canon EOS 1D X III, which enables users to capture crisper photos even while shooting handheld.

On the other hand, the EOS SL3 does not have in-body stabilization, but it makes up for this shortcoming with its vast lineup of stabilized lenses.

Video Capabilities

Both cameras are capable of filming movies of a good quality, but the EOS 1DX III has the advantage thanks to its ability to record in 4K at 60 frames per second.

This feature is ideal for professional filmmakers. The EOS SL3 also records in 4K, however it does so at a slower frame rate of 24 frames per second.

ISO Range and Low Light Performance

The Canon EOS 1D X Mark III has a native sensitivity range that extends from 100 to 102400 and can be expanded all the way up to 819200, which enables it to perform remarkably well in low-light settings.

The EOS SL3, despite its capabilities, has a relatively limited ISO range and may not be able to create the same amount of detail in environments with difficult lighting conditions.

User Interface and Controls

Both of these cameras have user-friendly interfaces, but the EOS SL3 has a more straightforward design that is better suited for novice photographers.

On the other hand, the EOS 1DX III has a wide variety of customization choices, which makes it attractive to professional photographers who like more individualized preferences.

Battery Life

In light of the rigorous requirements of professional photography, Canon designed the EOS 1DX III with a powerful battery that can maintain its charge for lengthy periods of time during shooting sessions.

Even while the battery life of the EOS SL3 is satisfactory, it is possible that it will require more frequent charging when subjected to heavy use.

Connectivity Options

Both cameras come with a variety of common communication options, including as Wi-Fi and Bluetooth, making it possible to wirelessly transmit files and control the cameras remotely using mobile devices such as smartphones and tablets.

Price and Value for Money

The Canon EOS 1DX III, as was to be expected, carries a premium price tag that accurately reflects the top-tier features and capabilities that it possesses.

On the other hand, the Canon EOS SL3 is more wallet-friendly, making it a good option for novices or enthusiasts who want to explore the world of DSLR photography without completely emptying their financial accounts.


To summarize, the Canon EOS 1DX III and the Canon EOS SL3 are both remarkable cameras, but each one is designed to serve a different type of customer. The Canon EOS-1D X Mark III is an excellent purchase to make if you are an experienced wildlife or sports photographer who requires a camera with outstanding performance. If, on the other hand, you are a novice user or an enthusiast searching for a camera that is both powerful and within your price range, the EOS SL3 won’t let you down.

Keep in mind that the decision you make should be based on your individual requirements, shooting style, and financial constraints. Both cameras exhibit Canon’s commitment to satisfying the varied needs of photographers by delivering high-quality images and dependable performance. This demonstrates the company’s dedication to the photographic community.


Q: Does the Canon EOS 1DX III have in-body image stabilization?
A: Yes, the EOS 1DX III features in-body image stabilization, providing better stability for handheld shooting.
Q: Can the Canon EOS SL3 shoot 4K videos?
A: Yes, the EOS SL3 can shoot 4K videos but at a frame rate of 24p.
Q: Is the Canon EOS 1DX III suitable for beginners?
A: The EOS 1DX III is geared towards professional photographers due to its advanced features and higher price point.
Q: What is the burst shooting rate of the Canon EOS SL3?
A: The EOS SL3 offers a burst shooting rate of 5fps.
Q: Which camera is better for wildlife photography?
A: The Canon EOS 1DX III’s fast autofocus and high burst rate make it an excellent choice for wildlife photography.


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