What Is A Mirrorless Camera?

19 minutes read

A mirrorless camera is a type of digital camera that does not have the mirror mechanism typically found in digital single-lens reflex (DSLR) cameras. In a DSLR, the mirror reflects light coming from the camera's lens up into the optical viewfinder. In contrast, a mirrorless camera allows light to pass directly from the lens to the digital image sensor. This means that mirrorless cameras are often more compact and lighter than DSLRs since they do not require the space for a mirror or a prism. Instead of an optical viewfinder, mirrorless cameras typically use electronic viewfinders (EVF) or rely on the camera's LCD screen for composing and previewing shots. Despite their smaller size, mirrorless cameras can offer similar image quality and features, including interchangeable lenses, to those of DSLRs. They have gained popularity for their advanced autofocus systems, continuous shooting capabilities, and the ability to provide real-time previews of exposure and depth of field.

Best Mirrorless Cameras of February 2025

1
Sony a7 III (ILCEM3K/B) Full-frame Mirrorless Interchangeable-Lens Camera with 28-70mm Lens with 3-Inch LCD, Black

Rating is 5 out of 5

Sony a7 III (ILCEM3K/B) Full-frame Mirrorless Interchangeable-Lens Camera with 28-70mm Lens with 3-Inch LCD, Black

  • Advanced 24.2MP BSI Full-frame Image Sensor w/ 1.8X readout speed Advanced 24.2MP Back-Illuminated 35mm Full-frame Image Sensor
  • 15-stop dynamic range, 14-bit uncompressed RAW, ISO 50 to 204,800
  • Up to 10fps Silent or Mechanical Shutter with AE/AF tracking
  • 693 phase-detection / 425 contrast AF points w/ 93% image coverage
2
Canon EOS R8 Mirrorless Camera RF24-50mm F4.5-6.3 is STM Lens Kit, Full-Frame Hybrid Camera, 24.2 Megapixel CMOS Image Sensor, 4K Video, Content Creator Vlogging Camera, Black

Rating is 4.9 out of 5

Canon EOS R8 Mirrorless Camera RF24-50mm F4.5-6.3 is STM Lens Kit, Full-Frame Hybrid Camera, 24.2 Megapixel CMOS Image Sensor, 4K Video, Content Creator Vlogging Camera, Black

  • Step up to full-frame with Canon’s lightest full-frame RF Mount mirrorless camera featuring a 24.2 million pixel CMOS image sensor and DIGIC X Image Processor.
  • An affordable and compact camera with built-in 0.39” 2.36 million dots OLED EVF up to 120 fps refresh rate and 3.0” 1.62 million dots vari-angle LCD touchscreen.
  • Uncropped 4K movie at up to 60 fps that is oversampled from 6K, Full HD High-frame rate movie recording at up to 180 fps2, and Canon Log 3 or HDR PQ. Max movie record time of 2 hours3 and UVC / UAC for webcam and streaming4
3
Sony Alpha A6100 Mirrorless Camera with 16-50mm and 55-210mm Zoom Lenses, ILCE6100Y/B, Black

Rating is 4.8 out of 5

Sony Alpha A6100 Mirrorless Camera with 16-50mm and 55-210mm Zoom Lenses, ILCE6100Y/B, Black

  • World’s fastest AF at 0 02 sec W/ real-time AF & Object tracking
  • Wide 425-phase/425-contrast detection AF points over 84% of sensor
  • 24 2MP APS-C Exmor sensor w/ front end LSI and ISO up to 51 200
  • Up to 11fps continuous shooting at 24 2MP RAW w/ AF/AE tracking
  • Real-time AF Tracking Real-time Eye AF for human and animal
  • Movie recording with mic and 180-degree tiltable 3” touchscreen LCD
  • Display Size: 3"; EXPOSURE COMPENSATION: +/-5.0 EV (1/3 EV, 1/2 EV steps selectable)
4
Nikon Z fc with Wide-Angle Zoom Lens | Retro-inspired compact mirrorless stills/video camera with 16-50mm zoom lens | Nikon USA Model

Rating is 4.7 out of 5

Nikon Z fc with Wide-Angle Zoom Lens | Retro-inspired compact mirrorless stills/video camera with 16-50mm zoom lens | Nikon USA Model

  • Superb image quality: 20.9 MP DX CMOS sensor paired with EXPEED 6 processing engine
  • Vlogger Ready: 4K UHD, Flip out Vari-angle LCD, full time AF with eye detection, built-in stereo microphone, external microphone jack, live stream and web conference compatible
  • Heritage Design: Classic tactile design with analog controls for shutter speed, ISO and exposure compensation
5
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

Rating is 4.6 out of 5

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

  • 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
6
Sony Alpha ZV-E10 - APS-C Interchangeable Lens Mirrorless Vlog Camera Kit - Black

Rating is 4.5 out of 5

Sony Alpha ZV-E10 - APS-C Interchangeable Lens Mirrorless Vlog Camera Kit - Black

  • Large 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
7
Canon EOS R50 Mirrorless Camera RF-S18-45mm F4.5-6.3 is STM Lens Kit, 24.2 Megapixel CMOS (APS-C) Sensor, 4K Video, Hybrid Camera, Photo and Video, Vlogging, Content Creator, RF Mount, Black

Rating is 4.4 out of 5

Canon EOS R50 Mirrorless Camera RF-S18-45mm F4.5-6.3 is STM Lens Kit, 24.2 Megapixel CMOS (APS-C) Sensor, 4K Video, Hybrid Camera, Photo and Video, Vlogging, Content Creator, RF Mount, Black

  • High Image Quality: Canon EOS R50 4K digital camera features a 24.2 Megapixel CMOS (APS-C) sensor and DIGIC X processor for stunning image clarity and level of detail
  • High-Speed Continuous Shooting: Capture fast action with up to 12 fps with Electronic First Curtain shutter and up tp 15 fps with Electronic Shutter for a superior vlogging camera
  • Advanced Auto Focus: Dual Pixel CMOS AF II covers up to 100% x 100% area with 651 AF zones; features auto subject detection and tracking of people, animals, and vehicles using deep learning technology — perfect 4K camera for video recording
  • Exceptional Low-Light Performance: Advanced A+ Assist offers an expanded array of auto-compatible scenes for greater expressive capability in auto mode and enables great imagery even in difficult settings such as night and backlit scenarios.
  • Superior Viewing Experience: 2.36-million-dot EVF with Clear View LCD II vari-angle touchscreen on this digital camera for easy composition and shooting from virtually any angle
8
Panasonic Lumix G7 4K Digital Mirrorless Camera Bundle with Lumix G Vario 14-42mm and 45-150mm Lenses, 16MP, 3-Inch Touch LCD, DMC-G7WK (USA Black)

Rating is 4.3 out of 5

Panasonic Lumix G7 4K Digital Mirrorless Camera Bundle with Lumix G Vario 14-42mm and 45-150mm Lenses, 16MP, 3-Inch Touch LCD, DMC-G7WK (USA Black)

  • Photo and video capability 16 Megapixel micro Four Thirds sensor confidently captures sharp images with a high Dynamic Range (HDR)
  • 4K capture 4K Ultra HD video recording (3840 x 2160) Plus 4K PHOTO pause and save frame that extracts individual high-resolution photos from 4K Ultra HD video
  • High-resolution viewfinder and LCD display high-resolution (2 360k-dot) OLED live view Finder and rear touch-enabled 3-inch tilt/swivel LCD display (1 040-dot) are clear even in bright sunlight


What are the best lenses for mirrorless cameras?

The best lenses for mirrorless cameras can vary significantly depending on the camera brand, the type of photography you are interested in, and your budget. Here are some popular lenses across different needs and brands:

For Portrait Photography

  • Sony FE 85mm f/1.4 GM: Known for its exceptional sharpness and beautiful bokeh, this lens is a favorite among portrait photographers.
  • Canon RF 85mm f/1.2L USM: A high-performing, sharp lens with excellent bokeh, ideal for Canon's mirrorless system.

For Landscape Photography

  • Nikon Z 14-30mm f/4 S: A versatile ultra-wide zoom lens, great for landscapes, with edge-to-edge sharpness.
  • Fujifilm XF 16-55mm f/2.8 R LM WR: Offers excellent sharpness and color reproduction, suited for varied landscape scenarios.

For Street and Travel Photography

  • Sony FE 24-70mm f/2.8 GM: A versatile and high-quality zoom lens perfect for capturing different scenes during travel.
  • Panasonic Lumix G 20mm f/1.7 II ASPH: Compact, lightweight, and sharp, this lens is great for street photography on Micro Four Thirds systems.

For Wildlife and Sports Photography

  • Sony FE 200-600mm f/5.6-6.3 G OSS: Offers great reach and image quality, ideal for wildlife enthusiasts.
  • Canon RF 100-500mm f/4.5-7.1L IS USM: A well-regarded choice for capturing fast-moving subjects at a distance on Canon's RF mount.

For Macro Photography

  • Sony FE 90mm f/2.8 Macro G OSS: This macro lens is highly praised for its sharpness and image stabilization.
  • Fujifilm XF 80mm f/2.8 R LM OIS WR Macro: Known for its close focusing and excellent optical performance.

General Purpose

  • Canon RF 24-105mm f/4L IS USM: A versatile, high-quality zoom for various shooting conditions.
  • Nikon Z 24-70mm f/2.8 S: Renowned for its excellent image quality and versatility across different types of photography.


These lenses represent a mix of top-tier performance and versatility across various systems. Always consider compatibility, as well as your particular focus areas in photography, when selecting the best lens for your needs.


How to maintain mirrorless camera equipment?

Maintaining mirrorless camera equipment is crucial to ensuring its longevity and optimal performance. Here are some tips for proper maintenance:

  1. Regular Cleaning: Sensor Cleaning: Use a blower to remove dust from the sensor. For stubborn spots, consider using a sensor cleaning kit with swabs and sensor cleaning fluid. Lens Cleaning: Use a microfiber cloth or lens pen to clean the lens glass. Avoid using tissue or abrasive materials. Body Cleaning: Use a soft, dry cloth to wipe the camera body. For stubborn dirt, slightly dampen the cloth with water.
  2. Lens Care: Always attach the lens cap when not in use and use a lens hood to reduce the chance of physical damage. Store lenses in a dry, dust-free environment to prevent fungus growth.
  3. Battery Maintenance: Remove the battery when not using the camera for extended periods to prevent battery drain and corrosion. Fully charge the battery before storing it for an extended period and recharge it every few months.
  4. Firmware Updates: Regularly check for firmware updates from the manufacturer to ensure your camera is running optimally and has the latest features.
  5. Environmental Considerations: Avoid exposing the camera and lenses to extreme temperatures and moisture. Use protective gear (rain covers, desiccant packs) in adverse weather conditions.
  6. Storage: Store your equipment in a cool, dry place. Use a camera bag or a dedicated storage solution to protect against dust and impacts. Consider using silica gel packs in your storage to control humidity.
  7. Use of Accessories: Use filters to protect the lens front element. Clean and maintain straps, grips, and any other accessories you're using with the camera.
  8. Regular Checks: Periodically inspect your camera and lenses for signs of damage or wear. Pay attention to buttons and dials to ensure they operate smoothly.
  9. Professional Servicing: Occasionally have your camera professionally serviced, especially if you notice performance issues or after heavy use in challenging conditions.


Regular maintenance will extend the life of your mirrorless camera equipment and ensure it functions properly when you need it.


What are the top accessories for mirrorless cameras?

When considering accessories for mirrorless cameras, several options can enhance your photography experience and help you get the most out of your equipment. Here are some of the top accessories:

  1. Lenses: Having a variety of lenses is crucial. Consider a fast prime lens (e.g., 35mm or 50mm f/1.8) for portraits and low-light shooting, and a versatile zoom lens for general use.
  2. Tripod: A sturdy, portable tripod is essential for stability, especially in low-light conditions or for long-exposure shots.
  3. Camera Bag: A well-padded, comfortable camera bag will protect your gear and provide easy access when traveling or shooting on location.
  4. Memory Cards: High-capacity and high-speed memory cards (like UHS-II) are important for shooting high-resolution images and videos.
  5. Filters: Circular polarizers, ND filters, and UV filters can enhance your images and protect your lenses.
  6. External Flash: An external flash or speedlight can provide additional lighting options and improve image quality in low-light situations.
  7. Extra Batteries: Mirrorless cameras can consume battery power quickly, so having spare batteries is crucial for extended shoots.
  8. Battery Grip: A battery grip can extend battery life and provide better ergonomics for shooting in portrait orientation.
  9. Remote Shutter Release: Useful for preventing camera shake during long exposures and for self-portraits.
  10. Cleaning Kit:
  • Keeping your gear clean is important for maintaining image quality. A basic kit should include a microfiber cloth, blower, and lens cleaning solution.
  1. Gimbal: For video shooters, a handheld gimbal stabilizer can help achieve smooth, cinematic shots.
  2. External Microphone: If you’re capturing video, an external microphone can greatly improve audio quality.


These accessories can help you expand your capabilities and get more creative with your mirrorless camera.


How to transfer photos from a mirrorless camera to a smartphone?

Transferring photos from a mirrorless camera to a smartphone can be done using several methods. Here are some common ways to accomplish this:

  1. Wi-Fi Transfer: Most modern mirrorless cameras are equipped with built-in Wi-Fi. Install the camera manufacturer's mobile app on your smartphone (e.g., Canon Camera Connect, Sony Imaging Edge Mobile, Nikon SnapBridge). Enable Wi-Fi on your camera and connect it to the app on your smartphone. Follow the app’s instructions to view and transfer photos to your smartphone.
  2. Bluetooth Transfer: Some cameras offer Bluetooth connectivity for transferring images. Pair your camera with your smartphone using the camera’s Bluetooth settings. Use the manufacturer’s app to transfer images via the Bluetooth connection.
  3. NFC (Near Field Communication): If both your camera and smartphone support NFC, you may be able to use this feature for easy pairing. Enable NFC on both devices and physically touch them together to establish a connection. Transfer photos using the manufacturer's app.
  4. Memory Card Adapter: Use a card reader or adapter compatible with your smartphone (for example, a microSD card adapter with OTG support for Android, or a Lightning to SD Card Reader for iOS devices). Insert the camera's memory card into the reader. Connect it to your smartphone, navigate to the file explorer (if necessary), and copy the photos.
  5. USB-C or Lightning Cable: Some cameras support direct data transfer through USB-C or other compatible cables. Connect your camera to your smartphone using a suitable cable. Allow access and transfer files through the phone’s file manager or photos app.
  6. Third-Party Apps and Cloud Storage: Offload photos to a computer first and then use cloud storage services like Google Photos, iCloud, or Dropbox to upload the photos. Access the cloud storage app on your smartphone to download or view your photos.


Choose the method that best suits your camera's capabilities and your smartphone's features. Always ensure you have the latest firmware and app updates for optimal functionality.


How to choose the right mirrorless camera for beginners?

Choosing the right mirrorless camera for beginners can be a bit overwhelming given the wide variety of options available. Here are some key factors to consider to help you make an informed decision:

  1. Budget: Determine how much you're willing to spend. While you don’t need to break the bank, investing slightly more can provide a camera that you won't outgrow quickly.
  2. Size and Weight: One of the benefits of mirrorless cameras is their compact size. Consider how portable you need your camera to be, especially if you plan on traveling frequently with it.
  3. Sensor Size: The sensor size affects image quality and depth of field. Common sensor sizes in mirrorless cameras are Micro Four Thirds, APS-C, and Full Frame. Bigger sensors usually offer better image quality, especially in low light, but they also typically come at a higher price point.
  4. Interchangeable Lenses: Verify if the camera has a good ecosystem of lenses. Even if you start with a basic kit lens, it's good to have the option to upgrade down the line. Brands like Sony, Canon, Nikon, and Fujifilm usually have a wide lens selection.
  5. Ease of Use: As a beginner, intuitive controls and a user-friendly interface are important. Look for cameras with guided modes or features that make learning easier.
  6. Image and Video Quality: Consider the resolution you need for both photos and videos. A camera with 20MP to 24MP is typically sufficient for most photography needs, and 4K video is becoming standard for good quality video recording.
  7. Autofocus System: A reliable autofocus system helps in capturing sharp images, especially for moving subjects. Look for features like face and eye detection.
  8. Connectivity: Having Wi-Fi, Bluetooth, or NFC can be useful for transferring images quickly to your phone or computer.
  9. Battery Life: Mirrorless cameras generally have shorter battery life compared to DSLRs. Check reviews to see how long the battery will last and consider buying a spare battery if needed.
  10. Brand Ecosystem and Future Growth: Some brands offer more robust ecosystems which include a variety of lenses and accessories. Consider the brand’s reputation and support for future upgrades.
  11. Reviews and Recommendations: Check reviews from credible sources or perhaps even join forums or groups to get opinions from users who have the cameras you’re considering.
  12. Hands-On Testing: If possible, visit a camera store to get a feel for the cameras on your shortlist. Ergonomics can be very personal, and something that looks good on paper might not feel right in your hands.


By considering these factors, you can find a mirrorless camera that meets your needs and helps you grow your skills as a photographer. Some popular models for beginners include the Sony Alpha a6100, Fujifilm X-T200, Canon EOS M50 Mark II, and Nikon Z50.

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