10 Best Smallest Mirrorless Camera 2025 in the United States

The Canon EOS R50 is a compact and lightweight mirrorless camera that fits well in the smallest mirrorless camera category, making it ideal for vloggers, content creators, and photography enthusiasts who want quality without bulk. Its 24.2-megapixel APS-C sensor delivers sharp, detailed photos and solid low-light performance, enhanced by Canon’s DIGIC X processor. The autofocus system is a strong point, with 651 AF zones and advanced subject tracking that works for people, animals, and vehicles, which helps ensure sharp images and smooth video recordings even in moving scenes.

Speaking of video, it supports uncropped 4K at 30fps with oversampling from 6K, plus slow-motion Full HD at 120fps, which is impressive for its size and great for dynamic content creation. The built-in image stabilization, while not in-body but evaluated through lens and sensor data, helps reduce shake, especially useful when shooting handheld. Its 3-inch vari-angle touchscreen and bright 2.36-million-dot electronic viewfinder make composing shots flexible and clear from multiple angles. Battery life is decent for a mirrorless camera but may require carrying spares during extended shooting sessions. Connectivity options include built-in Wi-Fi and Bluetooth, allowing easy transfer and remote control via Canon’s app.

The RF-S 18-45mm kit lens is lightweight and versatile but has a moderate aperture (f/4.5-6.3), which may limit performance in very low light compared to faster lenses. The EOS R50 strikes a good balance between portability and advanced features, although serious photographers might find battery life and lens speed the main trade-offs. This camera suits those looking for a powerful, easy-to-carry device for both high-quality photos and versatile video.

The OM SYSTEM OM-3 is a compact mirrorless camera designed for photographers who want high-quality images without carrying bulky gear. It features a 20MP Micro Four Thirds stacked BSI sensor that delivers sharp, colorful photos with low noise, which is impressive for its small sensor size. The camera includes a versatile 12-45mm f/4 lens, suitable for everyday scenes, travel, and casual zooming. One of its standout features is the 7.5 EV step in-body image stabilization, which helps keep photos steady even in low light or when shooting handheld.

The electronic viewfinder and bright OLED screen make framing and reviewing shots easy, while the hybrid autofocus system ensures fast and accurate focusing on subjects. It also offers useful tools like built-in ND filters for creative long exposures and a dust reduction system to keep images clean. The battery life is moderate, so carrying extra batteries may be necessary for longer outings. The camera weighs about 3.3 pounds including the lens, which is lightweight compared to many mirrorless setups but might still feel substantial for those wanting the absolute smallest option.

Connectivity options with Wi-Fi, Bluetooth, and USB allow easy sharing and remote control. The OM-3 is a strong choice for enthusiasts seeking a small but powerful mirrorless camera with advanced features and excellent image stabilization, though those prioritizing ultra-lightweight gear might find it slightly heavier than some competitors.

The Canon EOS R100 is a compact and lightweight mirrorless camera, designed to be the smallest and lightest in Canon's EOS R series, making it ideal for users who want excellent portability without sacrificing image quality. It features a 24.1 megapixel APS-C sensor that delivers sharp and detailed photos, suitable for most everyday photography needs. The camera includes Canon’s reliable Dual Pixel CMOS autofocus system with 143 focus points and eye detection, which helps keep your subjects sharp and in focus, even when moving. For image stabilization, it has optical image stabilization in the lenses, which reduces blur from hand movements, especially useful when shooting at longer zoom ranges.

The kit includes two versatile RF-S lenses (18-45mm and 55-210mm), covering a broad focal range for wide-angle shots and telephoto zoom, making it flexible for landscapes, portraits, and distant subjects. The electronic viewfinder and a 3-inch fixed touchscreen LCD provide clear previews and intuitive controls, although the screen cannot be tilted, which might limit shooting angles. Battery life is decent for this size, but as with many compact mirrorless cameras, carrying a spare battery is advisable for extended shooting sessions. Connectivity options include Wi-Fi and Bluetooth, allowing easy sharing of photos and remote camera control via a smartphone app.

Video recording at 4K resolution is available, but with a 30-minute limit per clip. While this camera suits beginners and enthusiasts looking for a portable, easy-to-use system with solid photo quality, the modest maximum aperture of the kit lenses (f/4.5-6.3 and f/5-7.1) means it is not ideal in very low light without additional lighting. The Canon EOS R100 provides a balanced combination of size, performance, and versatility, especially for users valuing mobility and ease of use.