X-T30 IIvs OM System TG-7vs Pentax K-3 Mark III

GearFrame · Updated March 2026

Fujifilm X-T30 II Fujifilm X-T30 II (2021) From £499 Best for Street & portrait photography View X-T30 II
VS
OM System OM System TG-7 OM System OM System TG-7 (2023) From £449 Best for Adventure, underwater & outdoor use View OM System TG-7
VS
Pentax Pentax K-3 Mark III Pentax Pentax K-3 Mark III (2021) From £1699 Best for DSLR enthusiasts & outdoor photographers View Pentax K-3 Mark III

Which should you buy?

Street & Portrait Photography — X-T30 II (2021): Flagship sensor at a mid-range price — the rare camera that makes you want to go out and shoot.

Adventure, Underwater & Outdoor Use — OM System TG-7 (2023): Waterproof to 15m, freezeproof and shockproof — the TG-7 is the most capable rugged compact for adventure and outdoor use.

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

X-T30 II (2021)

  • You want excellent Fujifilm image quality in a smaller, lighter body
  • You shoot primarily stills and don't need IBIS or complex video features
  • You want to stretch your budget without compromising on image quality

OM System TG-7 (2023)

  • You dive, surf, kayak, ski, or hike and need a camera that genuinely survives anything
  • You want a waterproof backup or travel camera that doesn't require a separate housing
  • You need a rugged compact for adventure, outdoor, and underwater activities

Pentax K-3 Mark III (2021)

  • You're a committed DSLR photographer with significant investment in Pentax glass
  • You shoot in extreme weather conditions and place build quality and reliability above everything
  • You prefer optical viewfinder performance and want the best modern APS-C DSLR available

Quick take: The x-t30 ii has the highest resolution at 26mp; the om system tg-7 is the most affordable; only the om system tg-7, pentax k-3 mark iii are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification X-T30 II (2021)OM System TG-7 (2023)Pentax K-3 Mark III (2021)
Price £499 £449 £1,699
Sensor 26.1MP APS-C X-Trans CMOS IV 12MP BSI CMOS 25.7MP APS-C BSI CMOS (AA-filterless)
Resolution 26.1MP 12.0MP 25.7MP
Video 4K/30p, 1080p/240p slow-mo 4K/30p, 1080p/120p 4K/30p, 1080p/60p
Autofocus Phase-detect, 425 points, subject tracking Hybrid phase/contrast AF SAFOX 13 phase-detect, 101-point (25 cross-type)
Stabilisation None (no IBIS) Digital IS 5.5-stop 5-axis IBIS (Shake Reduction III)
Burst Rate 8fps mechanical, 20fps electronic 20fps 12fps
Battery Life ~380 shots (CIPA) 340 shots (CIPA) 800 shots (CIPA)
Weight 383g body only 253g 820g body only
Dimensions 118.4 × 82.8 × 46.8mm 113.0 × 66.5 × 32.7mm 134.5 × 103.5 × 73.5mm
Weather Sealed No Yes Yes
Viewfinder EVF, 2.36M dots, 0.62× magnification None Optical pentaprism, 100% coverage, 1.05× magnification
Screen 3.0" touchscreen, tilting 3.0" fixed TFT LCD 3.2" tilting touchscreen
Mount Fujifilm X-mount Fixed 25mm-equiv f/2.0 lens (4× optical zoom) Pentax KF-mount
Memory Cards Single SD UHS-I slot Single SD UHS-I Dual SD UHS-II
Connectivity USB-C, Bluetooth, Wi-Fi USB-C, Wi-Fi, Bluetooth USB-C, Wi-Fi, Bluetooth
⚡ Compare specs side by side X-T30 II prices → OM System TG-7 prices → Pentax K-3 Mark III prices →

Compare pairs from this group