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Canon EOS R100 Mirrorless Camera with RF-S 18- vs Sony a5100 16-

Updated August 2026 — Canon EOS R100 Mirrorless Camera with RF-S 18- leads on ease of use and autofocus.

The Canon EOS R100 offers better value with a lower price and versatile lens, while the Sony a5100 excels in autofocus speed.

Why Canon EOS R100 Mirrorless Camera with RF-S 18- is better

Price

Canon EOS R100 is $198.48 cheaper.

Lens

Canon includes a versatile RF-S 18-45mm lens.

User-Friendliness

Canon is designed specifically for beginners.

Why Sony a5100 16- is better

Autofocus

Sony has 179 AF points for faster focusing.

Video Quality

Sony captures Full HD 1080p at 60 fps.

Compact Design

Sony a5100 is lighter and more portable.

Overall score

Canon EOS R100 Mirrorless Camera with RF-S 18-
85
Sony a5100 16-
78

Specifications

SpecCanon EOS R100 Mirrorless Camera with RF-S 18-Sony a5100 16-
Sensor TypeAPS-C CMOSAPS-C CMOS
Image ProcessorDIGIC 8BIONZ X
Lens IncludedRF-S 18-45mm16-50mm
Wi-FiYesYes
BluetoothYesNo

Dimension comparison

Canon EOS R100 Mirrorless Camera with RF-S 18-Sony a5100 16-

Overview of the Canon EOS R100 and Sony a5100

The Canon EOS R100 is priced at $579.00, making it about 26% cheaper than the Sony a5100, which retails for $777.48. This price difference might influence entry-level buyers who are looking for a capable mirrorless camera without breaking the bank. Both cameras are designed for enthusiasts and beginners, offering unique features that cater to different types of photography.

Sensor and Image Quality

The Canon EOS R100 features a 24.1MP APS-C CMOS sensor, while the Sony a5100 boasts a similar 24MP APS-C sensor. Both sensors are capable of delivering high-resolution images, but the R100's DIGIC 8 image processor may provide an edge in terms of noise reduction and image processing speed. The R100's sensor is designed for vibrant and detailed images, making it well-suited for general photography, whereas the a5100 is also optimized for high-quality video recording, capturing Full HD 1080p at 60 frames per second.

Autofocus Capabilities

When it comes to autofocus, the Canon EOS R100 utilizes Dual Pixel CMOS AF, providing fast and accurate autofocus with 143 AF zones. This system excels in tracking moving subjects and switching between stills and video seamlessly. In contrast, the Sony a5100 features ultra-fast autofocus with 179 AF points, which also supports 6 frames per second continuous shooting, making it ideal for capturing dynamic scenes. Both cameras present strong autofocus systems, but the Canon may offer more versatility for beginners.

Lens Versatility

The Canon EOS R100 comes bundled with the RF-S 18-45mm f/4.5-6.3 IS STM lens, which is well-suited for various shooting scenarios, from portraits to landscapes. This lens provides built-in image stabilization, enhancing handheld photography. On the other hand, the Sony a5100 is paired with a 16-50mm lens, offering a slightly narrower focal range. While the a5100's lens is compact and versatile, the broader range of the Canon lens may be more appealing for those looking to experiment with different styles of photography.

User-Friendliness and Design

With an accessible design, the Canon EOS R100 is tailored specifically for beginners. It features simplified menu navigation and auto scene modes that help newcomers feel comfortable quickly. The camera's compact size and included accessories, such as a bag and a 64GB card, further enhance its user-friendly approach. In contrast, the Sony a5100, while also designed for ease of use, may require a bit more familiarity with its settings for optimal results. Its flip-up LCD screen is a great feature for vlogging and self-portraits, adding to its user-friendly appeal.

Connectivity

Both cameras offer modern connectivity options, though they differ in specifics. The Canon EOS R100 includes Wi-Fi and Bluetooth, allowing for easy sharing and remote control from a smartphone. Similarly, the Sony a5100 features Wi-Fi and NFC capabilities, enabling quick sharing of images with devices. However, the Canon's additional Bluetooth functionality could provide a slight advantage in maintaining a connection with mobile devices, making image transfer more convenient.

Battery Life

Battery life is an essential factor to consider for extended shooting sessions. The Canon EOS R100 is equipped with an LP-E17 Lithium-Ion battery, which is standard for many mirrorless cameras. While the exact battery life figures are not specified, users can expect a decent performance. The Sony a5100, on the other hand, also features a compact battery that supports its lightweight design. While both cameras are comparable in this aspect, the actual battery life may vary based on usage patterns and settings.

Which should you buy?

In conclusion, the decision between the Canon EOS R100 and the Sony a5100 depends on your specific needs and preferences. If you are looking for a more budget-friendly option with excellent autofocus and a versatile lens, the Canon EOS R100 is the clear winner at $579.00. However, if you value ultra-fast autofocus and compact design, the Sony a5100 might be worth the higher investment of $777.48. Each camera has its strengths, making them suited for different types of photographers.