The Canon EOS R8 and the Sony A7C II are both small full-frame mirrorless cameras, so the real question is which system and which body shape suits you. Choose by lens mount, handling and how you shoot, then confirm exact specs on each maker’s page.

What each camera is for
The EOS R8 is a light full-frame body in Canon’s RF system, built for people who want full-frame image quality in a travel-friendly package. It has a traditional centered viewfinder layout.
The A7C II is part of Sony’s compact full-frame line and uses the E mount. Its body design places the viewfinder toward the corner, in the style of a rangefinder, and it is known for packing a lot into a small shell.
Key differences in practice
| Trait | Canon EOS R8 | Sony A7C II |
|---|---|---|
| Lens mount | RF | E |
| Sensor size | Full-frame | Full-frame |
| Viewfinder position | Centered, SLR style | Corner, rangefinder style |
| In-body stabilization | Not offered on the body | Offered on the body |
| Third-party lens choice | Growing, with some limits | Very wide |
Stabilization is worth a close look. A body with stabilization helps with slow shutter speeds and handheld video using any lens, while a body without it relies on stabilized lenses.
How to choose
- Decide on the mount first. Look at the lenses you want and at which brand sells them in your range.
- Think about how you hold a camera. A centered viewfinder suits people who press the camera to the face; a corner viewfinder leaves room for your nose and a cleaner view of the screen.
- Check video needs such as stabilization, screen type and recording limits on each maker’s page.
- Handle both in a shop if you can, since small bodies can feel very different.
Who should choose which
- Choose the Canon EOS R8 if you already use Canon, like Canon’s menus and color, or want a relaxed stills-and-family camera.
- Choose the Sony A7C II if you want the body to help with stabilization, you lean toward handheld video, or you want the broadest range of third-party lenses.
One more habit helps with either system: borrow or rent each camera for a weekend if you can. Small bodies can feel very different once you add a real lens, and a short trial shows you whether the button layout, menus and grip match how you shoot.
FAQ
Are compact full-frame bodies harder to hold?
They can be, especially with large lenses. A small grip suits small lenses best, so pair these bodies with compact primes or small zooms for comfort.
Does a small body mean worse results?
Not by itself. Image quality depends mainly on the sensor, lens and your technique. Smaller bodies may differ in battery size, cooling and button count, so check those traits.
The Short Version
Both cameras give you a full-frame sensor in a small body. Choose the EOS R8 for Canon lenses and a classic viewfinder layout, and the A7C II for Sony’s lens range and body-based stabilization. Always confirm exact specs on the maker’s page before you commit.