Sony A6400 – Best-Selling APS-C Mirrorless with 4K + Real-Time Eye AF + Flip Screen

Overview

The Sony A6400 is a best-selling APS-C mirrorless camera. The Sony A6400 features a 24MP APS-C sensor. It records 4K video. It has Real-time Eye AF for humans and animals. It has a 180-degree flip-up touchscreen. The Sony A6400 is a favorite among content creators. (1)

This unit is in excellent condition (97 percent). It has been gently used and shows minimal signs of wear. The Sony A6400 includes a memory card, carry bag, cleaning kit, and screen protector. The price is $439.99 with free shipping worldwide. A 90-day store warranty is included. The Sony A6400 is ready for photography and vlogging. ()

The Sony A6400 has become one of the most popular cameras ever made. It balances price, performance, and features perfectly. The Sony A6400 is trusted by millions. (3)

For vloggers, the Sony A6400 is essential. For photographers, its 4K video is excellent. For content creators, the Sony A6400 delivers. (4)

This camera is designed for photographers who want premium features at a great price. The Sony A6400 is a true all-rounder. (5)

24MP APS-C Sensor

The Sony A6400 features a 24.2-megapixel APS-C CMOS sensor. This captures sharp, detailed images. The Sony A6400 delivers excellent image quality. (6)

What does 24MP mean for your photography? High resolution for large prints. Room to crop. The Sony A6400 delivers. (7)

The APS-C sensor is significantly larger than smartphone sensors. The Sony A6400 captures more light and detail. (8)

For beginners, the 24MP sensor is forgiving. The Sony A6400 allows room to crop and recompose. (9)

For travel photographers, the sensor captures fine details. The Sony A6400 produces great results. (10)

Real-Time Eye AF for Humans and Animals

The Sony A6400 features Real-time Eye AF for humans and animals. This is Sony’s advanced autofocus technology. The Sony A6400 locks onto eyes instantly and stays locked. (11)

What does Real-time Eye AF mean for your photography? Focus stays on the subject’s eye even when they move. The A6400 is incredibly reliable. (12)

For portrait photographers, Eye AF is transformative. The A6400 never misses focus on eyes. (13)

For pet photographers, Animal Eye AF tracks dogs and cats. The A6400 captures sharp pet portraits. (14)

The AF system has 425 phase detection points. The A6400 focuses quickly and accurately. (15)

4K Video Recording

The Sony A6400 records 4K video at 30 frames per second. It uses full pixel readout without cropping. The Sony A6400 captures stunning 4K footage. (16)

What does 4K mean for your videos? Four times the resolution of 1080p. Incredible detail. The Sony A6400 produces professional-quality video. (17)

The 4K is oversampled from 6K. The A6400 footage is sharp and detailed. (18)

For vloggers, the 4K video is clean and sharp. The A6400 is a capable video camera. (19)

The camera also records 1080p at 120fps for slow motion. The A6400 is versatile. (20)

180-Degree Flip-Up Touchscreen

The Sony A6400 features a 180-degree flip-up touchscreen. This is perfect for selfies and vlogging. You can see yourself while recording. The Sony A6400 is a vlogger’s best friend. (21)

What does a flip-up screen mean? Frame yourself perfectly. Check your exposure. Monitor focus. The Sony A6400 eliminates guesswork. (22)

For vloggers, the flip screen is essential. The Sony A6400 is perfect for self-recording. (23)

The screen is also a touchscreen. Tap to focus. Tap to shoot. The Sony A6400 is intuitive. (24)

For content creators, the flip screen is transformative. The Sony A6400 is still a great vlogging camera. (25)

11 Frames Per Second Burst

The Sony A6400 shoots at 11 frames per second with continuous autofocus. This is incredibly fast for a camera at this price. The  A6400 captures action with ease. (26)

What does 11fps mean for your photography? Capture a child running. Capture a pet playing. The A6400 never misses the moment. (27)

The buffer allows extended bursts. The A6400 keeps shooting. (28)

For parents, 11fps captures kids in motion. The A6400 is perfect. (29)

For sports and action, the burst rate is excellent. The  A6400 delivers. (30)

425-Point Phase Detection AF

This camera has 425 phase detection points covering 84% of the sensor. Focus is fast and reliable. Subjects stay in focus across the frame. This camera is responsive. For action photography, the coverage is excellent. The AF system works in video as well, with smooth, silent autofocus during recording. The Sony A6400 is one of the best cameras for autofocus in its class. Whether you are photographing running children or flying birds, this camera keeps up.

Weather-Sealed Construction

The Sony A6400 has weather-sealed construction. Dust and moisture are kept out. You can shoot in challenging conditions without worry. Light rain is not a showstopper. Dust is not a problem. The camera is built for adventure. For outdoor photographers, weather-sealing is valuable. You can hike, camp, and explore without worrying about your camera. The body is made of magnesium alloy. The camera feels solid and durable in hand.

Microphone Input

The Sony A6400 has a 3.5mm microphone input. You can connect an external microphone for dramatically better audio quality. For vloggers, an external mic is essential. The camera with a simple lavalier microphone sounds professional. For interviewers, you can connect a shotgun microphone or wireless system. The camera captures crisp dialogue. This feature sets the Sony A6400 apart from many competitors that lack audio inputs.

Accessories Included

This kit includes everything you need to start shooting. A memory card is included, ready to use out of the box. A carry bag protects your camera during transport. A cleaning kit keeps your lens and sensor clean. A screen protector keeps the flip screen scratch-free. No extra purchases needed. The camera is complete and ready for action.

Excellent Condition (97%) – What This Means

This Sony A6400 is rated excellent condition (97 percent). The sensor is clean with no dust or scratches. The body has minimal signs of use. The 4K video works perfectly. The flip-up touchscreen is flawless. Real-time Eye AF works perfectly. All buttons and dials are responsive. The shutter count is low. All included accessories are in excellent condition.

90-Day Store Warranty

This unit includes a 90-day store warranty provided by us. Most used Sony A6400 cameras are sold “as-is” with zero protection. This unit offers 90 days of coverage. For photographers and content creators who rely on their gear, this warranty provides peace of mind.

Who Should Buy This Camera

Vloggers – Flip-up screen. 4K video. Real-time Eye AF. Microphone input. The A6400 is one of the most popular vlogging cameras ever made.

Content creators – 4K quality. Fast autofocus. Professional output. The camera helps you create engaging content.

Photographers – 24MP sensor. 11fps burst. Great image quality. The camera excels at stills too.

Travel photographers – Compact size. Weather-sealed. Versatile. The camera is your perfect travel companion.

Beginners – Great first mirrorless camera. Easy to use. The camera helps you learn photography.

Pet photographers – Animal Eye AF. Fast burst. Reliable. The camera captures sharp pet portraits.

Upgraders from smartphones – APS-C sensor is a massive upgrade. 4K video. Real zoom lenses. The camera changes everything.

YouTubers – Flip screen. 4K video. Excellent autofocus. The camera is a YouTube favorite.

Comparison with Alternatives

vs Sony A6000 – The A6000 has no 4K (1080p only) and no flip screen. The A6400 has 4K video and a flip screen. Choose this for vlogging and video quality.

vs Sony A6100 – The A6100 has similar specs but plastic body and 30-minute recording limit. The A6400 has weather-sealing, magnesium alloy body, and no recording limit. Choose this for durability and longer videos.

vs Sony A6300 – The A6300 has no flip screen. The A6400 has a flip screen and Real-time Eye AF. Choose this for vlogging and autofocus.

vs Sony ZV-E10 – The ZV-E10 is designed specifically for vlogging with product showcase mode. The  A6400 has a built-in EVF for stills photography. Choose this if you shoot both photos and videos.

vs Canon M50 Mark II – The Canon has 4K with a significant crop (1.6x). The Sony A6400 has full-pixel 4K without crop and better autofocus. Choose this for video quality.

vs Fujifilm X-T200 – The Fuji has 4K but slower autofocus. The Sony A6400 has superior autofocus and lens ecosystem. Choose this for performance.

Frequently Asked Questions

What is the difference between A6400 and A6100? The Sony A6400 has weather-sealing, magnesium alloy body, and no recording time limit (A6100 has 30-minute limit). Same 24MP sensor and autofocus system.

What is the condition? Excellent (97%). Minimal signs of use. Sensor is clean. All functions work perfectly.

Does it have a flip screen? Yes. The A6400 has a 180-degree flip-up touchscreen for selfies and vlogging.

What accessories are included? Memory card, carry bag, cleaning kit, and screen protector. Ready to shoot out of the box.

Is a lens included? This is a body-only listing. Lens not included.

Does it have Real-time Eye AF? Yes. The A6400 has Real-time Eye AF for humans and animals.

Does it have a microphone input? Yes. The A6400 has a 3.5mm microphone jack.

What is the warranty? 90-day store warranty is included.

Can I use it for streaming? Yes. The A6400 can be used as a high-quality webcam with a capture card.

Is it good for photography? Excellent. The A6400 is a capable stills camera with 11fps burst and great autofocus.

Final Verdict

The Sony A6400 is the best-selling APS-C mirrorless camera for good reason. The 24MP sensor captures sharp, detailed images. 4K video with full pixel readout produces stunning footage. Real-time Eye AF for humans and animals is incredibly reliable. The 180-degree flip-up touchscreen is perfect for vlogging. 11fps burst shooting freezes action. Weather-sealed construction adds durability. The microphone input allows professional audio. This full accessory bundle adds a memory card, carry bag, cleaning kit, and screen protector.

At $439.99 for an excellent condition unit with full accessory bundle, 90-day warranty, and free shipping worldwide, this is outstanding value for the best-selling APS-C mirrorless camera.

Order the Sony A6400 today.

Price: $439.99
Condition: Excellent (97%)
Warranty: 90 days store warranty
Shipping: Free worldwide