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KFvs A6400

GearFrame · Updated March 2026

Pentax KF Pentax KF (2022) Starting from £700 new Best for Landscape & Outdoor View KF
VS
Sony A6400 Sony A6400 (2019) Starting from £899 new Best for Content creation & vlogging View A6400

GearScore™ Verdict — Which should you buy?

Landscape & Outdoor — KF (2022): The Pentax KF is a rare thing — a weather-sealed DSLR with in-body stabilisation and an articulating screen at an accessible price. Video is modest at 1080p/60p, but for outdoor and landscape photographers who prefer optical viewfinders and want real weather sealing, the KF delivers in a format that is increasingly hard to find.

Content Creation & Vlogging — A6400 (2019): The best value APS-C Sony you can buy — especially used. Real-time Eye AF at this price point was transformative when it launched and still makes it one of the most reliable autofocus systems in the lineup.

↓ Full specifications below

KF (2022)

  • Outdoor and landscape photographers who want weather sealing at an accessible price
  • DSLR users who want IBIS and an articulating screen without switching systems
  • Pentax K-mount lens collectors who want a modern body for their glass
  • Photographers who prefer the natural feel of an optical viewfinder

A6400 (2019)

  • Vloggers and content creators who need a flip screen and reliable AF
  • Photographers upgrading from a compact or smartphone
  • Beginners who want room to grow into a full E-mount lens ecosystem
  • Anyone prioritising autofocus performance at an accessible price

Quick take: The kf is the most affordable; only the kf is weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification KF (2022)A6400 (2019)
Price £700 £899
Sensor 24.2MP APS-C CMOS 24.2MP APS-C Exmor CMOS BSI
Resolution 24.2MP 24.2MP
Video 1080p/60p 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion
Autofocus SAFOX 13 phase-detect AF with 11 points Phase-detect, 425 points, real-time Eye AF & animal AF
Stabilisation In-body Shake Reduction (SR II), up to 5.5 stops None (no IBIS)
Burst Rate 6fps 11fps mechanical, 8fps with AF tracking
Battery Life ~410 shots (CIPA) ~410 shots (CIPA)
Weight 643g (body only) 403g (body, battery, card)
Dimensions 131.0 × 101.0 × 76.0mm 120.0 × 66.9 × 59.7mm
Weather Sealed Yes No
Viewfinder Optical pentamirror, 0.95× magnification, ~100% coverage EVF, 2.36M dots, 0.70× magnification
Screen 3.0" fully articulating touchscreen, 1.04M dots 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots
Mount Pentax KF-mount Sony E-mount
Memory Cards Single SD UHS-I slot Single SD UHS-I
Connectivity USB, Wi-Fi, Bluetooth Micro-USB, Wi-Fi, Bluetooth, NFC
Genre KFA6400
Landscape
8.5
Travel
8.0
7.0
Portrait
7.5
9.0
Wildlife
7.5
4.0
Casual
7.5
Street
6.0
9.0
Vlogging & Video
4.5
Sports & Action
6.0
Video
9.0

GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →

⚡ Compare specs side by side KF prices → A6400 prices →

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