The Canon EOS Rebel SL3 is an APS-C DSLR camera that's compact and easy to use. It takes decently sharp images, has a reasonably effective autofocus system, and is fitted with a responsive, fully-articulated touchscreen interface. It offers a wide range of ports and connectivity options for videographers and can shoot 4k and FHD video. Unfortunately, the image and video stabilization performance isn't especially impressive overall, so you may need to use a tripod for some shots, and the video quality is mediocre in 4k.
The Canon SL3 is alright for travel photography. It offers satisfactory overall image quality, has an ergonomic design, and is equipped with an autofocus system well-suited to tracking moving objects. Its somewhat low minimum shutter speed isn't quite as well suited for complex long exposure photography as some alternatives. Its battery performance isn't particularly impressive, which could cut your shooting sessions short. Its plastic build doesn't feel especially sturdy, and the camera itself is a little on the bulky side, making it a hassle to carry around.
The Canon SL3 is decent for landscape photography. It keeps noise and graininess in images to a fairly low level, even when using moderately high ISO settings. Its fully-articulated screen is bright enough to be seen in direct sunlight. While it's relatively compact for a traditional DSLR, those accustomed to using point-and-shoots or phones to take pictures may find it a little bulky and tricky to carry around on a hike.
The Canon SL3 is okay for sports and wildlife photography. It has a relatively high maximum shutter speed and has decently sharp image quality. Its autofocus system is reasonably effective and does a good job of tracking inanimate objects, like cars on a track. That said, its relatively slow continuous shooting speed can make it a little harder to capture specific shots of fast-moving subjects. Its silent shooting mode is also relatively loud, which may also scare off nearby wildlife.
The Canon SL3 is decent for vlogging. Its fully articulated screen makes it easy to monitor yourself on camera, but it isn't the best choice for recording in 4k due to its terrible face tracking, poor image stabilization, and mediocre video quality in this resolution, as the footage is lacking in detail and looks grainy. It performs somewhat better in FHD, with much-improved face tracking autofocus capability and passable video quality.
The Canon SL3 is okay for studio video. It has an easy-to-use interface and has a wide selection of inputs and outputs for videography accessories, like a microphone, headphones, and an external recorder. It performs best in FHD, with superb autofocus performance and passable video quality in controlled lighting conditions. Unfortunately, video quality in 4k is mediocre, and autofocus performance in that resolution is poor.
The Canon SL3 isn't designed for action video. While it's compact for a DSLR, it's too large to be mounted on a helmet rig. It also isn't the most rugged of cameras, with no water resistance and cheap-feeling plastic construction. Lastly, it doesn't support 120 fps or 240 fps recording for slow-motion video.
Update 01/12/2022: Amended lens mount type from 'EF-S Mount' to 'EF/EF-S Mount'.
Update 01/21/2022: We retested this camera and found that the maximum bit rate in FHD is actually 60 Mbps rather than 30 Mbps, which is what we initially noted. The score has been updated accordingly.
Update 01/17/2022: Retested FHD test scene extract and updated the video quality score accordingly to be more in line with our current testing standards.
The Canon Rebel SL3 comes in two color variants: 'Black' and 'White'. We tested the 'Black' variant with the EF-S 18-55mm F/4-5.6 IS STM lens, and you can see its label here. That said, we expect the 'White' variant to perform similarly overall. It can also be purchased in either color scheme without a lens at all.
If someone comes across a differently-equipped variant of the Canon SL3, let us know in the discussions so we can update our review.