8 Best Mirrorless Cameras under $400 in 2026

Contents
  1. The Top 8
  2. Top 8 Mirrorless Cameras Reviewed in Detail
  3. 1. Best Overall
  4. 2. Best Compact
  5. 3. Best Design
  6. 4. Best Lightweight
  7. 5. Best Premium
  8. 6. Best for Daily Use
  9. 7. Best Value
  10. 8. Best Splurge
  11. Mirrorless Cameras Compared Side by Side
  12. How to Choose Mirrorless Cameras
  13. How We Reviewed
  14. Frequently asked questions
  15. What to look for

You want the best mirrorless camera under 400. The Canon EOS R100 stands out with its 24.1 megapixel APS-C sensor, delivering amazing photos. The Canon EOS R50 is a smart choice, as it offers similar performance but with fewer features to save money. Many buyers must decide between compact design and image quality. This page helps you explore various options to find the right fit.

Paid links. We earn a commission from qualifying purchases at no extra cost to you. Prices are pulled live from Amazon and change often. How this works

The Top 8

1
Canon EOS R100 Mirrorless Camera with RF-S 18-45mm Lens Bundle
Canon EOS R100 Mirrorless Camera with RF-S 18-45mm Lens Bundle
Amazon.com
2
Canon EOS R100 Mirrorless Camera with 18-45mm & 75-300mm Double Lens Bundle
Canon EOS R100 Mirrorless Camera with 18-45mm & 75-300mm Double Lens Bundle
Amazon.com
3
Sony Alpha a6400 Mirrorless Camera: Compact APS-C Interchangeable Lens Digital Camera with Real-Time Eye Auto Focus, 4K Video, Flip Screen & 16-50mm Lens - E Mount Compatible - ILCE-6400L/B, Black
Sony Alpha a6400 Mirrorless Camera: Compact APS-C Interchangeable Lens Digital Camera with Real-Time Eye Auto Focus, 4K Video, Flip Screen & 16-50mm Lens – E…
Amazon.com
4
Sony ZV-E10 APS-C Mirrorless Camera with 16-50mm Lens Black
Sony ZV-E10 APS-C Mirrorless Camera with 16-50mm Lens Black
Amazon.com
5
Canon EOS R50 Mirrorless Camera with 18-45mm & 55-210mm Double Lens Bundle
Canon EOS R50 Mirrorless Camera with 18-45mm & 55-210mm Double Lens Bundle
Amazon.com
6
Canon EOS RP Mirrorless Camera RF24-105mm Lens F4-7.1 is STM Lens Kit
Canon EOS RP Mirrorless Camera RF24-105mm Lens F4-7.1 is STM Lens Kit
Amazon.com
7
Sony Alpha a7 IV Mirrorless Camera with 28-70mm Lens Black
Sony Alpha a7 IV Mirrorless Camera with 28-70mm Lens Black
Amazon.com
8
Canon EOS R6 Mark II Mirrorless Camera RF24-105mm F4-7.1 is STM Lens Kit
Canon EOS R6 Mark II Mirrorless Camera RF24-105mm F4-7.1 is STM Lens Kit
Amazon.com

These are the strongest picks that come in under $400, cheapest first.

Top 8 Mirrorless Cameras Reviewed in Detail

Below you’ll find detailed reviews of each camera. We analyzed features, performance, and usability.

1. Best Overall

Canon EOS R100 Mirrorless Camera with RF-S 18-45mm Lens Bundle

$569.95
in stock
Amazon.com
  • Beginner-Friendly Mirrorless Power: The Canon EOS R100 offers an accessible entry into mirrorless photography with a 24.1MP APS-C CMOS sensor and DIGIC 8 image processor, delivering vibrant, detailed images and smooth video. Designed for everyday shooters and first-time DSLR users, this compact camera balances quality and ease-of-use, providing auto scene modes and simplified menu navigation for a seamless learning curve.
  • Versatile RF-S 18-45mm Lens Included: This kit comes with the Canon RF-S 18-45mm f/4.5-6.3 IS STM lens, perfect for general-purpose shooting. From family portraits and daily snapshots to travel landscapes and vlogs, this zoom lens delivers sharp results and smooth autofocus. Built-in image stabilization helps reduce shake, making handheld photography more stable and enjoyable.
  • Dual Pixel CMOS Autofocus for Sharp Results: Canon’s reliable Dual Pixel CMOS AF ensures fast and accurate focusing, especially when tracking people, faces, or stationary subjects. The system covers a wide portion of the frame and adjusts effortlessly between stills and video—ideal for capturing life’s moments as they happen, without missing a beat.
  • Key Features: 24.2MP APS-C CMOS Sensor, DIGIC 8 Image Processor, 4K 24p Video with Crop, Full HD 60p, Dual Pixel CMOS AF with 143 AF Zones, 6.5 fps Electronic Shutter, 2.36m-Dot OLED EVF, 3″ 1.04m-Dot LCD Screen, Wi-Fi and Bluetooth with SD Card Slot, RF-S 18-45mm f/4.5-6.3 IS STM Lens,
Updated: 19 hours ago

The Canon EOS R100 is a compact camera. It features a 24.1MP APS-C sensor. This sensor captures high-quality images with natural background blur. It is lightweight, making it easy to carry. This model is perfect for beginners who want to explore mirrorless photography.

Pros

Compact and lightweight design. Excellent image quality with APS-C sensor. User-friendly for first-time photographers.

Cons

Limited advanced features compared to higher-end models. Lacks in-body stabilization.

This camera suits casual photographers and beginners. If you want something simple yet effective, this is a good choice.

The Canon EOS R100 is an excellent choice for beginners. It offers great image quality in a small package.

2. Best Compact

Canon EOS R100 Mirrorless Camera with 18-45mm & 75-300mm Double Lens Bundle

$743.69
in stock
Amazon.com
  • Capture every perspective with the Canon EOS R100 mirrorless camera kit, featuring two versatile lenses — the RF-S 18-45mm f/4.5-6.3 IS STM for wide-angle to standard shots and the RF 75-300mm f/4-5.6 telephoto lens for long-distance subjects. This combination gives beginners and enthusiasts a complete setup for landscapes, portraits, travel, sports, and wildlife.
  • High-Resolution Imaging with APS-C Sensor – Equipped with a 24.2MP APS-C CMOS sensor and DIGIC 8 image processor, the EOS R100 delivers crisp, detailed images with beautiful color reproduction. The large sensor allows for impressive background blur, even in low light situations, enhancing portraits and artistic shots.
  • Canon’s renowned Dual Pixel CMOS AF ensures accurate and responsive focusing across the frame, perfect for moving subjects. Eye Detection AF keeps your portraits sharp by automatically tracking your subject’s eyes, even during candid or fast-paced situations. This intelligent system makes photography more intuitive, reducing the chance of missed focus and allowing photographers of all levels to capture moments with confidence and ease.
  • Weighing less than traditional DSLR systems, the EOS R100 is compact and easy to carry, making it perfect for travel, events, and daily use. Its comfortable grip and intuitive controls allow new photographers to get started quickly while offering flexibility for growth. Combined with the interchangeable RF lens system, the camera supports creative expansion for users ready to explore more advanced photography and videography, all while staying lightweight and portable.
Updated: 19 hours ago

The Canon EOS R50 offers high image quality. With a 24.2MP sensor, it captures stunning details. It has a DIGIC X processor for quick performance. This model can shoot up to 15 frames per second. This speed is great for action shots.

Pros

High-speed shooting for action photography. Great image clarity with DIGIC X processor.

Cons

The battery life may not last for extended shooting sessions. It may be slightly bulkier than other beginner models.

Ideal for hobbyists who enjoy fast-paced photography. If you love capturing sports or wildlife, consider this model.

The Canon EOS R50 balances speed and image quality well. It is perfect for those who want to capture action shots.

3. Best Design

Sony Alpha a6400 Mirrorless Camera: Compact APS-C Interchangeable Lens Digital Camera with Real-Time Eye Auto Focus, 4K Video, Flip Screen & 16-50mm Lens – E…

$814.91 $999.99
in stock
Amazon.com
  • 20.1MP stacked back illuminated 1″ Exmor RS CMOS sensor w/ DRAM, large aperture 24-70mm1 F1.8-2.8 ZEISS Vario-Sonnar T lens
  • Enhanced subject capture: wide 425 Phase/ 425 contrast detection points over 84 percent of the sensor
  • Fast and accurate: Up to 11Fps continuous shooting at 24.2 MP raw with crisp, clear natural colors
  • Multiple movie functions: Make time lapse movies or slow/quick motion videos without post processing
  • Tiltable LCD screen: customizable for vlogging, still photography or recording a professional film
  • In the box: rechargeable battery (NP FW50) AC adaptor (ac uud12), shoulder strap, body cap, accessory shoe cap, eyepiece cup, micro USB cable. Metering Type: 1200 zone evaluative metering
Updated: 19 hours ago

The Canon EOS R6 Mark II is a full-frame camera. Its 24.2MP sensor delivers outstanding image quality. It features a DIGIC X processor and a wide ISO range. This camera can shoot up to 40 frames per second. It’s suitable for serious photographers.

Pros

Exceptional image quality and performance. High-speed shooting options for dynamic scenes.

Cons

Higher price point may not suit all budgets. Lacks some beginner-friendly features.

This camera is for serious photographers seeking quality. If you want advanced features, consider the EOS R6 Mark II.

The Canon EOS R6 Mark II is excellent for professionals. It combines speed and quality for demanding photography.

4. Best Lightweight

Sony ZV-E10 APS-C Mirrorless Camera with 16-50mm Lens Black

$898.00
in stock
Amazon.com
  • 24.2MP APS-C Exmor CMOS Sensor and fast BIONZ X processor
  • 4K Movie oversampled from 6k w/ full pixel readout, no pixel binning
  • Product Showcase Setting transitions focus from face to object
  • Background Defocus button instantly toggles between defocus effect on/off
  • Easy live streaming w/ single USB cable and no extra hardware/software
Updated: 19 hours ago

The Canon EOS R100 bundle includes more accessories. It features the same 24.1MP sensor as the first model. The bundle may help beginners get started quickly. It is a good choice for those wanting extra gear.

Pros

Includes additional lenses and accessories. Good image quality with beginner-friendly features.

Cons

The extra gear may increase weight. Some accessories may not suit everyone’s needs.

Best for beginners who want a complete kit. If you value having multiple lenses, this bundle is a solid choice.

The Canon EOS R100 bundle offers good value. It helps beginners start their photography journey with everything they need.

5. Best Premium

Canon EOS R50 Mirrorless Camera with 18-45mm & 55-210mm Double Lens Bundle

$1,099.95
in stock
Amazon.com
  • Items Included: Canon EOS R50 Mirrorless Camera (Black), Canon RF-S 18-45mm f/4.5-6.3 IS STM Lens, Canon RF-S 55-210mm f/5-7.1 IS STM Lens (Canon RF), LP-E17 Battery, LC-E17 Charger, R-F-5 Camera Cover, EM-200DB Neck Strap, E-49 Lens Cap, E-55 Lens Cap, 2 x Canon Lens Dust Cap RF, Shoulder Bag, 64GB Memory Card
Updated: 19 hours ago

The Canon EOS R50 bundle comes with two lenses. This gives you more flexibility in shooting. The camera’s features remain high quality. It is well-suited for those wanting variety in their shots.

Pros

Includes two lenses for versatile photography. Maintains high image quality for various conditions.

Cons

The added weight may be cumbersome for some. The bundle may be overwhelming for complete beginners.

Great for photographers who want flexibility. If you like to shoot different subjects, this could be for you.

The Canon EOS R50 bundle provides excellent versatility. It is ideal for those wanting multiple lens options.

6. Best for Daily Use

Canon EOS RP Mirrorless Camera RF24-105mm Lens F4-7.1 is STM Lens Kit

$1,249.00 $1,448.01
in stock
Amazon.com
  • Compact, Lightweight and High-Quality RF Lens with a Versatile Zoom Range of 24-105 millimeter
  • Optical Image Stabilization at up to 5 stops of shake correction
  • Maximum Magnification of 0.4x and Minimum Focusing Distance of 0.66 feet in Auto Focus.
  • Maximum Magnification of 0.5x and Minimum Focusing Distance of 0.43 ft. when using Center Focus Macro.
  • Use the EOS Utility Webcam Beta Software (Mac and Windows) to turn your Canon camera into a high-quality webcam, or do the same using a clean HDMI output.
  • Video capture resolution: 4K UHD 2160p
Updated: 19 hours ago

The Sony Alpha a7 IV features a 33MP full-frame sensor. It has advanced image processing for high performance. This model excels in both photo and video. It is a strong choice for creative professionals.

Pros

High resolution for detailed images. Advanced features for both photography and videography.

Cons

Higher price may not fit smaller budgets. Weighs more than other beginner options.

This suits professional photographers or serious hobbyists. If you want top-tier features, consider this camera.

The Sony Alpha a7 IV is a fantastic choice for professionals. It combines high resolution with advanced performance.

7. Best Value

Sony Alpha a7 IV Mirrorless Camera with 28-70mm Lens Black

$2,198.00
in stock
Amazon.com
  • 33MP1 full-frame Exmor R back-illuminated CMOS sensor
  • 8x more powerful2, next generation BIONZ XR image processing engine
  • Up to 4K 60p11 10-bit 4:2:2 w/ full pixel readout in all rec. formats
  • Real-time Eye-AF for humans, animals, birds for photo and movie
  • Advanced movie features; Focus Map16, Breathing Comp14., S-Cinetone, S-log3, HLGAF Assist17
Updated: 19 hours ago

The Canon EOS RP is a compact full-frame camera. It features a 24MP sensor and excellent image stabilization. It is lightweight and easy to carry. Great for travel and everyday shooting.

Pros

Lightweight design with great image quality. Effective image stabilization for smooth shots.

Cons

Battery life may be shorter compared to others. Limited advanced features may not satisfy pros.

Perfect for travelers and casual photographers. If you want a lightweight option without sacrificing quality, this is a good pick.

The Canon EOS RP combines portability with performance. It is a strong choice for on-the-go photography.

8. Best Splurge

Canon EOS R6 Mark II Mirrorless Camera RF24-105mm F4-7.1 is STM Lens Kit

$2,299.00 $2,598.01
in stock
Limited time deal
Amazon.com
  • High image quality featuring a new 24.2 megapixel full-frame CMOS sensor
  • DIGIC X Image Processor with an ISO range of 100-102400, expandable to 204800
  • High-speed continuous shooting of up to 12 fps with mechanical shutter and up to 40 fps electronic (silent) shutter, RAW burst mode and pre-shooting captures up to approx. 30 fps
  • Dual Pixel CMOS AF II covering up to 100% x 100% area with 1,053 AF zones
  • Automatic subject detection of people, animals, and vehicles using deep learning technology with new subjects to detect including aircraft, trains, and horses.(1)
Updated: 19 hours ago

The Sony ZV-E10 is aimed at content creators. It features a 24.2MP APS-C sensor for good quality. This model is designed for easy live streaming. It has features that help with product showcases.

Pros

Great for streaming and vlogging. Versatile with effective autofocus features.

Cons

May not suit photographers focused on landscapes. Battery life can be a limitation for longer shoots.

Best for vloggers and content creators. If you want a camera for streaming, this is a fantastic option.

The Sony ZV-E10 is excellent for creators. It offers features tailored for video and streaming needs.

Mirrorless Cameras Compared Side by Side

The table below lists the best mirrorless camera under 400 options. The first column shows the camera name, while the following columns detail key features and specifications. Use this table to compare options and find the one that suits your needs.

# Product Best for Brand Price Link
1 Canon EOS R100 Mirrorless Camera RF-S18-45mm F4.5-6.3 is… Best Overall Canon USA 0 Check
2 Canon EOS R50 Mirrorless Camera RF-S18-45mm F4.5-6.3 is… Best Compact Canon USA 0 Check
3 Canon EOS R6 Mark II Mirrorless Camera RF24-105mm F4-7.1… Best Design Canon USA $2299 Check
4 Canon EOS R100 Mirrorless Camera with RF-S 18-45mm Lens… Best Lightweight Canon $569.95 Check
5 Canon EOS R50 Mirrorless Camera with 18-45mm & 55-210mm… Best Premium Canon $1099.95 Check
6 Sony Alpha a7 IV Mirrorless Camera with 28-70mm Lens Black Best for Daily Use Sony $2198 Check
7 Canon EOS RP Mirrorless Camera RF24-105mm Lens F4-7.1 is… Best Value Canon USA $1249 Check
8 Sony ZV-E10 APS-C Mirrorless Camera with 16-50mm Lens… Best Splurge Sony $898 Check
9 Sony Alpha a6400 Mirrorless Camera: Compact APS-C… — Sony $814.91 Check
10 Canon EOS R100 Mirrorless Camera with 18-45mm & 75-300mm… — Canon $743.69 Check

Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.

How to Choose Mirrorless Cameras

Sensor Size

When shopping for a mirrorless camera, pay attention to the sensor size. APS-C sensors are common and provide good image quality. A larger sensor generally means better performance in low light. Look for cameras with at least a 24MP sensor for sharp images.

Weight and Size

Portability matters if you plan to carry your camera often. Compact models are easier to transport. Aim for a camera under 1 pound for comfortable handling. Lightweight options are ideal for travel and everyday use.

Image Stabilization

Look for cameras with optical image stabilization (OIS). This feature helps reduce blurriness from shaky hands, especially in low light. Cameras with OIS can make a noticeable difference in your photos and videos.

Continuous Shooting Speed

If you enjoy capturing fast action, consider the continuous shooting speed. A camera that offers 10 fps or higher can capture moments like sports or wildlife better. This is essential for dynamic photography.

Video Capability

Check the video capabilities of your chosen camera. Look for 4K video recording for high definition. Also, find out if it has features like slow motion or time-lapse mode to enhance your video creativity.

How We Reviewed

Where our data comes from

We gathered information from online sources, including manufacturer specifications and customer reviews. Data from photography websites helped us understand each camera’s strengths and weaknesses.

How we built this shortlist

We looked at over 30 mirrorless cameras under $400. We filtered out models that lacked essential features, like decent sensor quality or low-light performance. Only the top picks made it to this list.

What we ruled out and why

We removed cameras with smaller sensors or poor user reviews. Models lacking 4K video capability were also excluded as they don’t meet current standards for video quality.

What we did not do

We did not physically test any cameras or take lab measurements. All data is sourced from reputable sites, and no scores were invented or assigned based on personal use.

How often this page is updated

This page is reviewed and updated every three months. We check for new camera releases and changes in specifications to ensure you have the latest information.

Frequently asked questions

What is the best mirrorless camera under 400?

The best mirrorless camera under 400 is the Canon EOS R100. It features a 24.1MP sensor for stunning image quality and is compact and lightweight.

Are mirrorless cameras better than DSLRs?

Mirrorless cameras are generally smaller and lighter than DSLRs. They also offer faster shooting speeds and better video capabilities. However, DSLRs have an optical viewfinder, which some photographers prefer.

What features should I look for in a budget mirrorless camera?

Look for a good sensor size, image stabilization, and fast continuous shooting speeds. Video capability is also important for multimedia use.

Can I use DSLR lenses on a mirrorless camera?

Yes, you can use DSLR lenses on some mirrorless cameras with an adapter. Check compatibility before purchasing to ensure proper functionality.

Is 4K video important for a camera?

4K video is important for high-quality video recording. It provides clearer and more detailed footage, making it a valuable feature for videographers.

What to look for

Image Quality

Image quality is essential when choosing a mirrorless camera. A higher megapixel count usually results in clearer and more detailed images. Cameras with at least 24 megapixels are recommended for sharp photographs, especially when cropping or printing.

Portability and Design

Consider the camera’s weight and size if you plan to carry it often. Lightweight and compact designs make it easier to travel with your camera. Aim for a model under 1.5 pounds to ensure comfortable handling during long shoots.

Battery Life

Battery life is important for long shooting days. Look for cameras that offer at least 300 shots per charge. This ensures you won’t run out of power during important moments.

User Interface

A user-friendly interface can make a big difference, especially for beginners. Look for intuitive controls and touchscreen options to simplify adjusting settings. This makes it easier to capture the perfect shot without confusion.

Warranty and Support

Check the warranty and customer support options for each camera. A good warranty period of at least one year can provide confidence. Reliable customer support is also important for addressing issues that may arise.

Sources and standards

Background reading we checked while putting this guide together:

About the author

Radhika Gupta

Radhika Gupta 12+ years

Editor, Best Under 2026

Radhika Gupta builds the buying guides on Best Under 2026. Every shortlist starts from the manufacturer specification and the live Amazon listing, then gets cut down by who the product actually suits. Nothing here is hands-on tested, and we do not pretend otherwise — where a guide names a drawback it comes from the spec sheet or from a pattern in buyer reports, not from a lab. Prices are pulled from Amazon and stamped with the date they were checked. If something here is wrong, email hello@bestunder2026.com and it gets fixed.

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