Sony Camera A6400 Review: Unveiling Performance and Features

Hey there! Some links on this page are affiliate links which means that, if you choose to make a purchase, I may earn a small commission at no extra cost to you. I greatly appreciate your support!

Choosing the right mirrorless camera demands careful consideration, especially when performance and features are priorities. The Sony A6400 stands out in the crowded field of photography equipment due to its robust autofocus capabilities, expansive ISO range, and sophisticated real-time tracking. Potential buyers should weigh its strengths against other leading models to ensure they select a camera that aligns with their photography needs and expectations.

Sony Camera A6400 Review: Unveiling Performance and Features
Sony Camera A6400 Review | All You Need To Know

As users evaluate their options, the A6400’s reputation for quality in both stills and video is noteworthy. Despite a higher price point, its features, including 4K video capabilities and fast continuous shooting speeds, position it as a compelling choice for both amateur and professional photographers interested in a versatile, high-performing camera.

Key Takeaways

  • The Sony A6400 excels in autofocus and ISO performance.
  • Offers professional-grade video recording with 4K capabilities.
  • Compares favorably against other cameras, suitable for serious photographers.
Sony Alpha 6400 | APS-C Mirrorless Camera with Sony 16-50 mm f/3.5-5.6 Power Zoom Lens (Fast 0.02s Autofocus 24.2 Megapixels, 4K Movie Recording, Flip Screen for Vlogging), Black
  • FAST AND PRECISE AUTOFOCUS: rely on 0.02s AF, Real Time tracking and Eye AF (human/animal) to keep your subject sharp in any situation.
  • PERFECT FOR VIDEO CREATORS: High resolution 4K HDR movie recording and Full HD slow motion feature (120p) with autofocus.
  • NEVER MISS A MOMENT: Up to 11fps with Autofocus.
  • CAPTURE CREATIVE ANGLES: easily frame up your subject when shooting from low or high angles with the tilting touch monitor.

Sensitivity Spectrum

The Sony A6400 camera offers a base sensitivity range from ISO 100 to 32000, which can be extended to 102400, providing greater flexibility in various lighting conditions. In contrast, the older A6300 model starts at ISO 100 and goes up to 25600, expandable to 51200. This substantial enhancement in the A6400’s ISO capabilities enables improved performance in dimly lit situations.

Important considerations regarding ISO settings on cameras:

  • Lower ISO: Ideal for well-lit environments, preserving image quality without unnecessary noise.
  • Higher ISO: Beneficial in low light, but may introduce grain or noise to the footage.
  • Extended ISO Ranges: Offer additional versatility but can impact image clarity at extreme values.

Protection Against the Elements

When capturing video in rain or damp conditions, it’s essential to ensure your camera can withstand these elements. Many contemporary cameras are equipped with bodies that resist weather, safeguarding them against potential water damage. Models like the Sony A6300 and the Sony A6400 are designed to be resistant to weather, allowing you to film in the rain with greater peace of mind. Furthermore, for added protection, devices such as the Zoom Q4 can be enhanced with water-resistant accessories.

  • Sony A6300: Weather-sealed
  • Sony A6400: Weather-sealed
  • Zoom Q4: Compatible with water-resistant jacket

These devices shouldn’t be submerged in water, yet small amounts of rain should not cause harm.

Sony Camera A6400 Review: Unveiling Performance and Features
Sony Camera A6400 Review | All You Need To Know

Mass Considerations

When selecting a camera for handheld video work, the heaviness is a significant factor. Cameras that are cumbersome may lead to instability during extended use. The Sony Alpha A6400 has a mass of 403 grams, which is essentially identical to the Sony Alpha A6300 at 404 grams. Their nearly equivalent weight makes either an apt choice for extended handheld operation.

Their design lends to ease of transport given their compact dimensions. This similarity ensures that users can handle both models with minimal strain, providing a practical option for photographers who prioritize mobility and ease of use.

  • Sony Alpha A6400: 403g
  • Sony Alpha A6300: 404g

Given their modest weight and compact form, both cameras allow for agile movement and ease of use during hand-held video capture.

Stabilization Techniques for Handheld Camera Work

Mitigating Shaky Footage:

  • Lens Image Stabilization (IS): Most mirrorless lens options offer built-in IS to reduce camera shake.
  • Camera Body Stabilization: Some camera models include stabilization within the body itself.

Sony A6400 Specifics:

  • Lens-Dependent Stabilization: The A6400 lacks in-body stabilization, necessitating reliance on lens IS.
  • Stabilization Alternatives:
    • Employing a gimbal can provide smooth footage when capturing video.
    • Upgrading to an A6500, which includes in-body stabilization, is advisable for enhanced smoothness in videos.

Post-Production Solutions:

  • Video editing software like Adobe Premiere Pro can be used to correct and enhance stability in post-production.

It is essential for videographers aiming for seamless and stable footage to consider these stabilization methods, especially when utilizing the A6400. Adapting to the camera’s limitations with appropriate equipment can significantly improve video quality.

4K Filming Capability of the Sony A6400

The Sony A6400 elevates video recording to a new level of clarity with its ability to capture in 4K resolution at up to 30 frames per second. Utilizing the camera’s full sensor width, the device cleverly performs a full pixel readout, gathering an impressive 6K of data condensed to 4K. This process ensures videos are exceptionally sharp and detailed.

For those interested in versatility:

  • 4K recording: Sharp, detailed video at 30 fps
  • Full pixel readout: 6K data scaled down for enhanced sharpness
  • Sensor utilization: Uses the entire width of the sensor

Switching to 1080p resolution enables the camera to shoot at higher frame rates of up to 120 FPS, ideal for slow-motion effects. The A6400 offers flexibility with its Quick & Slow modes, allowing frame rate adjustments from 1 to 120 FPS. This feature provides creators with the tools to produce both rapid and slow-motion sequences, catering to a wide array of videography styles.

With the A6400, users have the capacity to capture footage that ranges from ultra-sharp 4K detail to mesmerizing slow-motion effects, making it a versatile choice for various video requirements.

Battery Life

The Sony A6400 is equipped with the NP-FW50 rechargeable Lithium-Ion battery. The endurance of the battery can vary significantly depending on usage patterns.

  • Battery Rating: The camera has a CIPA (Camera & Imaging Products Association) rating of 410 shots.
  • Comparison: Compared to its counterpart, the Sony A6500, which boasts a CIPA rating of 450, the A6400 battery offers slightly less longevity.
  • Usage Considerations:
    • Capturing video in 4K consumes more power than recording in 1080p resolution.
    • Intense usage such as continuous autofocus or screen usage impacts battery drain.

Tips for Prolonged Use:

  • Carry a spare NP-FW50 battery to ensure uninterrupted shooting sessions.
  • Consider usage habits and settings adjustments to optimize the battery life between charges.

Continuous Shooting Speeds

The Sony A6400 excels in capturing fast-moving subjects due to its rapid burst shooting capabilities. It boasts a high-speed continuous shooting mode at 11 frames per second (FPS) with the mechanical shutter. For those needing a live view with minimal interruptions, it still impressively maintains an 8 FPS shooting speed, ensuring that you capture the moment with reduced blackout times.

Those opting for the silent capture of the electronic shutter can also utilize an 8 FPS shooting mode. This represents a notable enhancement over the A6300 and A6500, which are limited to just 3 FPS under similar conditions with their electronic shutters. While the A6500 may offer a deeper buffer, the A6400’s performance is generally robust, and its limitations are unlikely to impede most photographers’ work.

Quick Autofocus (AF)

Autofocus (AF) is critical in photography for capturing sharp images of subjects swiftly and with precision. The arrival of this technology dates back to the 1960s, but it wasn’t commercially realized in consumer cameras until Leica’s Carrefot system and, later, the Konica C35 AF in the late 1970s.

Evolution of AF in Cameras:

  • 1960s: Inception of AF Technology alongside sensor technology.
  • 1978: Konica C35 AF becomes the first mass-produced camera with an AF system.
  • Subsequent years: Polaroid, Pentax, Nikon, and Minolta enhance the market with their versions of AF systems.

Modern AF systems differ significantly from the early designs. They no longer rely on optical systems to determine the distance to the subject but use internal mechanisms to bring the subject into focus without manual input. This represents a critical development in the field of photography, eliminating the inconvenience and time spent adjusting focus manually.

The Sony Alpha a6400, for example, stands out with its cutting-edge AF technology. With the capability to focus in just 0.02 seconds, it is touted by Sony as having “the world’s fastest” AF system. This camera facilitates photography through a real-time AF system that can track moving subjects with remarkable efficiency and ease.

Creates Time-Lapse Movies

The Sony Alpha a6400 camera transforms extensive footage into condensed, engaging videos through its native time-lapse functionality. Videographers can capture the essence of time, stretching moments across hours, days, or even months into a short, dynamic visual sequence. This built-in tool simulates the progression of time at an accelerated pace, offering a unique perspective of the world.

  • Integrated Time-Lapse Feature: Avoids the need for secondary applications.
  • Flexibility in Capture Duration: Tailors to various project lengths.
  • Accessibility for Creatives: Simplifies the creation process for enthusiasts and professionals alike.

By embedding this feature, the camera eliminates the traditionally intricate steps of time-lapse video production, making sophisticated results attainable directly from the device. The Alpha a6400 is an all-in-one solution for crafting visually arresting time-lapse movies.

Adjustable LCD Display

The Sony Alpha a6400 is equipped with an LCD display that offers adjustable angles for optimal viewing. This flexibility is particularly beneficial when aiming to capture images from various perspectives or when engaging in self-portraiture. Easily rotating up to 180 degrees, the screen facilitates composition from creative angles and supports vloggers with a clear view when recording themselves.

Adding to the convenience, the camera integrates a touchscreen interface, enhancing the user’s ability to swiftly make adjustments to settings such as focus points and shutter release. The screen’s touch capabilities extend to features like Touch Focus, empowering photographers to pinpoint their focus area with a simple screen tap, thereby streamlining the shooting process and enabling quick adaptations to changing scenes.

Handling and Comfort

The Sony Alpha a6400 excels in its design optimizing user comfort and ensuring ease of use through its thoughtfully crafted shape. This is especially beneficial for prolonged periods of handling, as it minimizes discomfort and prevents common handling errors.

Highlights of the Camera’s Ergonomics:

  • Comfort Grip: A carefully designed grip allows the photographer’s fingers to rest naturally, ensuring stability and reducing fatigue.
  • Compact Dimensions: Measuring approximately 6.10 inches in length and just over one pound in weight, the camera is unobtrusive and lightweight for transport in any standard backpack.
  • Ease of Control: The layout is intuitive, permitting one-handed operation which leaves the other hand free to adjust additional settings or support the lens.
  • Balance: Despite its small size, the camera maintains a good balance in the hand, preventing accidental tilts or shakes during shoots.

With these ergonomic features, the Sony Alpha a6400 becomes a seamless extension of the photographer’s creativity.

Connectivity Options for Audio and Video


  • Competitive pricing in its category
  • Superior autofocus capabilities
  • Impressive continuous shooting speed
  • Capable of 4K video recording at 30 frames per second
  • Features built-in interval recording for time-lapses


  • Stability: Absent built-in stabilization mechanism.


Portable Video Recording Device

The portable video recording device offers a 130-degree wide-angle lens and high-definition video capabilities at 1080p using MPEG-4 AVC/H.264 format. An additional feature includes live streaming with high-definition quality.

Compact System Camera without Lens

A revolutionary camera in the compact system category, offering a range of features geared towards both amateur and professional photographers. It’s well-known for its quality and versatility in various photographic conditions.

Advanced Compact Mirrorless Camera

This model stands out with its ability to shoot continuous at 11 frames per second at 24.2 megapixels in raw format, ensuring that both natural colors and fine details are captured with precision. The camera also boasts a wide-reaching blend of 425 phase detection and 425 contrast detection points covering 84% of the sensor, facilitating enhanced subject tracking.

FeaturePortable Video Recording DeviceCompact System CameraAdvanced Compact Mirrorless Camera
Max Video Resolution1080pN/AN/A
Wide-Angle Lens130 degreesN/AN/A
Live Streaming CapabilitiesYesN/AN/A
SensorN/AN/A20.1MP CMOS sensor
Image Capture SpeedN/AN/AUp to 11Fps continuous shooting
Comprehensive Autofocus SystemN/AN/A425 phase and contrast detection

Check out my blog for more information about guitar, equipment and more!

Similar Posts

0 0 votes
Article Rating
Notify of
Inline Feedbacks
View all comments