Alpha a6400 Mirrorless Camera

A compact vlogging powerhouse with world class autofocus and a versatile flip screen

Full manufacturer title

Sony Alpha a6400 Mirrorless Camera with 16-50mm Lens Black Base w/16-50mm Lens

Typical price

$948

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Sony Alpha a6400 Mirrorless Camera with 16-50mm Lens Black Base w/16-50mm Lens image 1

Ravvy verdict

89.1 / 100

The Sony a6400 is the best choice for creators who prioritize reliable autofocus and portability, provided they can live without in-body image stabilization.

Best for: vloggers and travel photographers who need elite autofocus
Buy it if: You want industry leading real-time eye autofocus and tracking.
Skip it if: You are professional videographers requiring in-body stabilization or dual card slots.
Best alternative: Sony Alpha 7 IV Full-frame Mirrorless Interchangeable Lens Camera Body Only (Hybrid shooters who need high-resolution stills and professional 10-bit video.)

How it scores on what matters

Autofocus Speed98.0
Portability94.5
Video Quality88.0
Build Quality85.0
Low Light Performance78.0

Ravvy factor scores, 0 to 100, derived from specs, owner reviews and category norms.

What it is

The Sony Alpha a6400 occupies a sweet spot in the mirrorless market, offering professional grade autofocus capabilities in a body small enough to disappear into a daily carry bag. Its standout feature is the sophisticated Real-time Eye AF and object tracking, which utilizes AI to lock onto subjects with uncanny speed. Whether you are capturing a moving toddler or a fast-paced street scene, the 0.02 second autofocus ensures you rarely miss a moment. The included 16-50mm power zoom lens provides a flexible range that is wide enough for selfies and tight enough for portraits. For content creators, the 180 degree tiltable screen is a game changer, allowing for easy self framing during vlogs or difficult high angle shots. The 24.2MP sensor delivers crisp images with impressive dynamic range, while the 4K video benefits from oversampling to ensure footage looks professional. While it lacks internal image stabilization, the kit lens offers optical stabilization to help smooth out handheld jitters. It remains one of the most reliable tools for hybrid shooters who jump between high speed stills and high quality video.

Ravvy AI insight

While newer models exist, the a6400 remains a high value choice because its autofocus system still beats many modern rivals in the same price bracket. To maximize this camera for video, consider investing in a gimbal or wide aperture prime lens, as the kit lens can struggle in low light and the sensor lacks internal shifting to counteract shaky hands. Focus on using the 'Real-time Tracking' mode to let the AI handle the heavy lifting while you frame the shot.

Generated from owner feedback, product specs, pricing, and retailer data. Last updated Aug 19, 2026.

What owners praise

Industry leading real-time eye autofocus and tracking
180 degree tilting screen is perfect for vlogging
Compact and lightweight weather-sealed body
High quality 4K video with no recording time limit
Excellent battery life for a mirrorless camera
Wide selection of compatible E-mount lenses

What to know first

No in-body image stabilization (IBIS)
Older menu system can be difficult to navigate
Included 16-50mm kit lens has average low-light performance

Specifications

UPC: 027242932487
GTIN: 027242932487
Brand: Sony
Color: Black
Bit Depth: 14 Bit
Crop Mode: APS-C
Lens Type: Wide Angle
Focus Mode: Automatic AF (AF-A), Continuous-Servo AF (AF-C), Manual Focus (MF), Single-Servo AF (AF-S)
Focus Type: Auto Focus, Manual Focus
Model Name: Alpha 6400 K
Self Timer: 2 seconds
Viewfinder: Electronic
File Format: RAW
Flash Modes: Fill Flash, High Speed Sync
Form Factor: Mirrorless
Item Weight: 1 pounds
Screen Size: 3 inches
Sensor Type: BSI CMOS
Aspect Ratio: 16:9, 3:2
Camera Flash: Built-In
Display Type: LCD
Manufacturer: Sony
Model Number: ILCE6400K
Model Series: a6400
Optical Zoom: 3 x
Video Output: HDMI
Battery Weight: 1.5 ounces
Built-In Media: Camera Body & Lens, E PZ 16-50mm F3.5-5.6 OSS II, Rechargeable Battery
Focus Features: Automatic, Continuous-Servo AF, Direct Manual Focus, Manual Focus, Single-Servo AF
Dots Per Screen: 921,600 Dot
Number of Items: 1
Special Feature: Fast AF, 24.2MP, 4K movie, Eye AF
Total USB Ports: 1
Autofocus Points: 425
Exposure Control: Automatic, Manual
Flash Sync Speed: 1/160 sec
Maximum Aperture: 3.5 f_stop
Metering Methods: Average, Center-Weighted Average, Highlight, Multi-Zone, Spot
Video Resolution: 2160p
Lens Construction: 16-50mm
Photo Sensor Size: APS-C
Image Capture Type: Stills & Video
JPEG Quality Level: Fine
Maximum Image Size: 24.2 mp
Real Angle Of View: 63 degrees
Continuous Shooting: 11 frames_per_second
Delay between shots: 0.09 seconds
Image Stabilization: Optical
Image stabilization: Optical
Wireless Technology: Bluetooth, Wi-Fi
Compatible Mountings: Sony E, Sony FE
Display Fixture Type: Articulating
Expanded ISO Maximum: 102400
Expanded ISO Minimum: 100
Maximum Focal Length: 50 millimeters
Metering Description: Average, Center-Weighted Average, Highlight, Multi-Zone, Spot
Minimum Focal Length: 16 millimeters
Video Capture Format: AVCHD/XAVC S
Warranty Description: 1 year manufacturer
Auto Focus Technology: Eye Detection, Hybrid, Phase Detection
Maximum Shutter Speed: 1/4000 seconds
Minimum Shutter Speed: 30 seconds
Supported File Format: RAW
Total Video Out Ports: 1
Memory Slots Available: 1
White Balance Settings: Auto, Cloudy, Color Temperature, Custom, Daylight, Fluorescent, Incandescent, Shade, Underwater
Connectivity Technology: Bluetooth, Micro HDMI, Micro USB, Wi-Fi
Photo Sensor Resolution: 24.2 mp
Photo Sensor Technology: BSI CMOS
Manufacturer Part Number: ILCE6400KB
Photo Filter Thread Size: 40.5 millimeters
Viewfinder Magnification: 1.07x
Specific Uses For Product: Travel, Vlogging
Display Resolution Maximum: 920,000 pixels
Effective Still Resolution: 24.2 mp
Number of Diaphragm Blades: 7

How to get the most out of it

Enable Real-time Tracking

Go into the AF menu and set your Focus Area to Tracking. This allows you to tap a subject on the screen, and the camera will follow it regardless of where it moves in the frame.

Ownership tips

tip

Use an External Microphone

While the built-in mic is decent, the a6400 has a dedicated mic input. Using a small shotgun mic will prevent the flip-up screen from being obstructed while significantly improving audio quality.

care

Protect the Sensor

Always point the camera downward when changing lenses to prevent dust from falling onto the sensor. Use a dedicated sensor blower rather than compressed air if you notice spots on your images.

Frequently asked questions

Where can you buy the Alpha a6400 Mirrorless Camera?

Alpha a6400 Mirrorless Camera is sold through Amazon, and Sony also lists it through its own site and major retail partners. The buy link on this page goes straight to the current Amazon listing, which is where stock and pricing update most often.

How much does the Alpha a6400 Mirrorless Camera cost?

The last price Ravvy recorded was $948. Retail pricing on cameras moves with promotions and stock, so treat that figure as a reference point and check the live listing before you buy.

How do you get the Alpha a6400 Mirrorless Camera for a cheaper price?

Three tactics work best: watch for holiday and seasonal sale events when cameras discounts run deepest, compare the open box or renewed listing against new stock, and check whether Sony is running a coupon or bundle. Adding the product to your Ravvy wishlist keeps it handy so you can revisit the listing when prices drop.

Is the Alpha a6400 Mirrorless Camera in stock right now?

It was in stock at our last check. Availability on popular cameras can change within hours, so the live listing is the source of truth.

Is the Alpha a6400 Mirrorless Camera worth it?

Ravvy scores it 89.1 out of 100. The strongest argument for it is industry leading real-time eye autofocus and tracking. The trade off to weigh is no in-body image stabilization (IBIS).

Who should buy the Alpha a6400 Mirrorless Camera?

It fits vloggers and travel photographers who need elite autofocus If that does not describe your situation, compare it with the other options in Cameras before committing.

What are the key specs of the Alpha a6400 Mirrorless Camera?

UPC: 027242932487. ASIN: B0DTFSLSTS. GTIN: 027242932487. Brand: Sony.

What are good alternatives to the Alpha a6400 Mirrorless Camera?

Compare it against the other scored picks in Cameras on Ravvy. We rank every option in that group by the same criteria, so you can see which model wins on value, quality, and owner sentiment before you decide.

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