EOS M50 IIvs OM System TG-7vs Pentax K-3 Mark III
OM System
OM System TG-7 (2023)
From £449
Best for Adventure, underwater & outdoor use
View OM System TG-7
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?
Beginners & Vlogging — EOS M50 II (2020): Canon's most approachable mirrorless — Dual Pixel AF and beautiful colour science in a beginner-friendly body.
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.
Who should buy what
EOS M50 II (2020)
- You want your first mirrorless camera at the lowest possible price
- You're a vlogger or content creator just starting out
- Note: EF-M mount is discontinued — consider the EOS R50 for a future-proof system
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 pentax k-3 mark iii has the highest resolution at 26mp; the eos m50 ii 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 | EOS M50 II (2020) | OM System TG-7 (2023) | Pentax K-3 Mark III (2021) |
|---|---|---|---|
| Price | £449 | £449 | £1,699 |
| Sensor | 24.1MP APS-C CMOS | 12MP BSI CMOS | 25.7MP APS-C BSI CMOS (AA-filterless) |
| Resolution | 24.1MP | 12.0MP | 25.7MP |
| Video | 4K/25p (cropped), 1080p/60p | 4K/30p, 1080p/120p | 4K/30p, 1080p/60p |
| Autofocus | Dual Pixel CMOS AF, 143 AF points, eye detection | 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 | 10fps | 20fps | 12fps |
| Battery Life | ~305 shots (CIPA) | 340 shots (CIPA) | 800 shots (CIPA) |
| Weight | 387g body only | 253g | 820g body only |
| Dimensions | 116.3 × 88.1 × 58.7mm | 113.0 × 66.5 × 32.7mm | 134.5 × 103.5 × 73.5mm |
| Weather Sealed | No | Yes | Yes |
| Viewfinder | EVF, 2.36M dots, 0.39× | None | Optical pentaprism, 100% coverage, 1.05× magnification |
| Screen | 3.0" vari-angle touchscreen | 3.0" fixed TFT LCD | 3.2" tilting touchscreen |
| Mount | Canon EF-M 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 Micro-B, Bluetooth, Wi-Fi, micro HDMI | USB-C, Wi-Fi, Bluetooth | USB-C, Wi-Fi, Bluetooth |
Compare pairs from this group