Description
Overview
The Sony A6400 is one of the most popular APS-C mirrorless cameras ever made, consistently ranking among the top-selling used cameras globally . It features a 24.2MP Exmor CMOS sensor, 4K video, and Sony’s legendary Real-time Eye AF for both humans and animals — all in a compact, weather-sealed body.
This unit is in 98% excellent condition – minimally used, very clean, fully tested. This is a step up in condition from our 97% A6400 listing, with fewer signs of use.
Condition Details
Used – 98% excellent condition. Minimal signs of use if any. Shutter count is low to moderate. All functions, sensor, and screen are fully operational.
Key Specifications
24.2MP APS-C Exmor CMOS sensor
BIONZ X image processor
4K 30p video recording (full pixel readout, no crop)
1080p 120fps slow motion capture
Real-time Eye AF (human and animal) in photo and video
Real-time Tracking AF – Lock onto subjects with touch
425-point phase-detection AF with 84% coverage
11 fps continuous shooting with AF/AE tracking
3.0-inch 921k-dot tilting touchscreen (flips up 180° for selfies)
2.36M-dot OLED electronic viewfinder
ISO 100-32000 (expandable to 102400)
Weather-sealed magnesium alloy body
Microphone jack (3.5mm) for external audio
USB-C for charging and data transfer
What’s in the Box
Sony Alpha A6400 body
NP-FW50 rechargeable battery
Battery charger
Body cap
Strap
USB cable
Accessories as shown (memory card, bag, cleaning kit, screen protector)
Why This Camera
The Autofocus Advantage:
Real-time Eye AF for humans and animals — locks onto eyes reliably
Real-time Tracking — tap screen, camera follows
425-point phase-detection covers 84% of the sensor
For Photographers:
11 fps burst captures action
Weather-sealed body shoots in light rain or dust
Excellent dynamic range for post-processing
Massive E-mount lens ecosystem – Sony, Sigma, Tamron
For Hybrid Shooters:
4K 30p via full sensor readout
1080p 120fps for smooth slow motion
S-Log3 and HLG for color grading
Mic jack – external audio capability
180° flip screen – vlogging ready
Honest Note for 2026 Buyers
The A6400 launched in 2019. What you need to know:
No in-body stabilization (IBIS) – Use stabilized lenses (OSS) or a gimbal for smooth walking shots
4K 30p only (no 4K 60p)
NP-FW50 battery – rated for ~360 shots; carry a spare for full-day shoots
Usable ISO up to 3200 – above that, noise becomes noticeable
What you still get:
Autofocus that beats many 2024-2025 cameras
24MP image quality for social media, prints, and client work
Access to the best APS-C lens ecosystem
4K video quality competitive for YouTube and social content
This specific unit at 98% condition is the cleaner option for buyers willing to pay a small premium over our 97% unit. The 90-day warranty adds confidence. The A6400 remains a compelling value in 2026 for budget-conscious shooters who prioritize autofocus performance.
