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Nikon D7500vs Pentax K-3 Mark III

GearFrame · Updated March 2026

Nikon Nikon D7500 Nikon Nikon D7500 (2017) Starting from £899 new Best for Sports, travel & DSLR shooters View Nikon D7500
VS
Pentax Pentax K-3 Mark III Pentax Pentax K-3 Mark III (2021) Starting from £1699 new Best for DSLR enthusiasts & outdoor photographers View Pentax K-3 Mark III

GearScore™ Verdict — Which should you buy?

Sports, Travel & Dslr Shooters — Nikon D7500 (2017): The D500's BSI sensor in a compact, weather-sealed body — excellent high-ISO performance and DSLR reliability at a great price.

Dslr Enthusiasts & Outdoor Photographers — Pentax K-3 Mark III (2021): The finest APS-C DSLR ever made — class-leading weather sealing, optical viewfinder, 5-axis IBIS, and extraordinary build for photographers committed to DSLR.

↓ Full specifications below

Nikon D7500 (2017)

  • Enthusiast DSLR photographers who want APS-C performance in a lighter body
  • D7200 or D7100 owners upgrading to better AF and 4K video
  • Wildlife and sports shooters who prefer optical viewfinder AF
  • Nikon DSLR users who want a capable body before committing to mirrorless

Pentax K-3 Mark III (2021)

  • DSLR photographers who want the finest APS-C optical viewfinder experience
  • Outdoor and weather photographers who need robust all-weather sealing
  • Pentax lens owners who want to use their existing K-mount glass
  • Photographers who prefer optical viewfinders and refuse to switch to mirrorless

Quick take: The pentax k-3 mark iii has the highest resolution at 26mp; the nikon d7500 is the most affordable. Scroll down for the full spec breakdown.

Full specifications

Specification Nikon D7500 (2017)Pentax K-3 Mark III (2021)
Price £899 £1,699
Sensor 20.9MP APS-C BSI CMOS (D500 sensor) 25.7MP APS-C BSI CMOS (AA-filterless)
Resolution 20.9MP 25.7MP
Video 4K/30p (slight crop), FHD/60p 4K/30p, 1080p/60p
Autofocus Multi-CAM 3500FX II, 51 points (15 cross-type) SAFOX 13 phase-detect, 101-point (25 cross-type)
Stabilisation None (no IBIS) 5.5-stop 5-axis IBIS (Shake Reduction III)
Burst Rate 8fps mechanical 12fps
Battery Life ~950 shots (CIPA with OVF) 800 shots (CIPA)
Weight 640g body only 820g body only
Dimensions 135.5 × 104.0 × 72.5mm 134.5 × 103.5 × 73.5mm
Weather Sealed Yes Yes
Viewfinder Optical pentaprism, 100% coverage, 0.94× magnification Optical pentaprism, 100% coverage, 1.05× magnification
Screen 3.2" tilting touchscreen 3.2" tilting touchscreen
Mount Nikon F-mount (DX) Pentax KF-mount
Memory Cards Single SD UHS-II slot Dual SD UHS-II
Connectivity USB Micro-B, Bluetooth, Wi-Fi USB-C, Wi-Fi, Bluetooth
Genre Nikon D7500Pentax K-3 Mark III
Sports & Action
9.0
9.0
Wildlife
9.0
9.0
Travel
9.0
7.0
Landscape
7.0
9.0
Portrait
7.0
7.0
Vlogging & Video
4.0
4.0

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

⚡ Compare specs side by side Nikon D7500 prices → Pentax K-3 Mark III prices →

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