Canon EOS 90Dvs Leica SL3vs Sony A9 III
Canon
Canon EOS 90D (2019)
From £849
Best for Sports, wildlife & DSLR enthusiasts
View Canon EOS 90D
Which should you buy?
Sports, Wildlife & Dslr Enthusiasts — Canon EOS 90D (2019): The best APS-C DSLR Canon ever made — 32MP, 10fps, weather sealing, and an optical viewfinder experience no mirrorless can replicate.
Professional & Luxury Hybrid Shooters — Leica SL3 (2024): Leica's most capable mirrorless — 60MP, 30fps burst, 8K ProRes, and 7.5-stop IBIS with L-mount's growing lens ecosystem.
Sports & Action Professionals — Sony A9 III (2023): A paradigm-shifting camera — the global shutter eliminates every rolling shutter limitation that has constrained action photography for years.
Who should buy what
Canon EOS 90D (2019)
- You're invested in Canon EF DSLR lenses and don't want to switch systems
- You shoot wildlife or sports and prefer an optical viewfinder
- You want a mid-range DSLR upgrade without going mirrorless
Leica SL3 (2024)
- You want Leica image quality with the convenience of autofocus and interchangeable lenses
- You shoot portraits, commercial, or editorial and want the best Leica system camera
- You plan to use Leica M lenses via adapter alongside native SL glass
Sony A9 III (2023)
- You shoot professional sport, motorsport, or action and need zero rolling shutter distortion
- You need reliable high-speed flash sync for studio or on-location action work
- You want the absolute pinnacle of Sony's action and sports camera technology
Quick take: The leica sl3 has the highest resolution at 60mp; the canon eos 90d is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | Canon EOS 90D (2019) | Leica SL3 (2024) | Sony A9 III (2023) |
|---|---|---|---|
| Price | £849 | £6,499 | £5,999 |
| Sensor | 32.5MP APS-C CMOS (Dual Pixel AF) | 60MP full-frame BSI CMOS | 24.6MP full-frame Exmor RS CMOS (global shutter) |
| Resolution | 32.5MP | 60.0MP | 24.6MP |
| Video | 4K/30p (1.6× crop), FHD/120p | 8K/30p, 4K/60p, Apple ProRes | 4K/120p, 4K/60p, 1080p/240p |
| Autofocus | Dual Pixel CMOS AF (live view), 45-point phase-detect (OVF) | Phase-detect AF with subject/face/eye detection | AI subject recognition AF, 759-point phase-detect |
| Stabilisation | None (no IBIS) | 7.5-stop IBIS | 8-stop IBIS |
| Burst Rate | 10fps mechanical | 30fps electronic | 120fps blackout-free electronic |
| Battery Life | ~1300 shots (CIPA with OVF) | 410 shots (CIPA) | 530 shots (CIPA) |
| Weight | 701g body only | 875g body only | 703g body only |
| Dimensions | 140.7 × 104.8 × 76.8mm | 146.0 × 104.0 × 42.0mm | 136.1 × 96.9 × 82.9mm |
| Weather Sealed | Yes | Yes | Yes |
| Viewfinder | Optical pentaprism, 100% coverage, 0.95× magnification | 0.78" OLED EVF, 5.76M dots | 0.64" Quad-XGA OLED EVF, 9.44M dots |
| Screen | 3.0" vari-angle touchscreen | 3.2" fixed touchscreen | 3.2" fully articulating touchscreen |
| Mount | Canon EF / EF-S | Leica L-mount | Sony FE (E-mount) |
| Memory Cards | Dual SD UHS-II slots | Dual SD UHS-II | Dual CFexpress Type A / SD UHS-II |
| Connectivity | USB 2.0, Bluetooth, Wi-Fi | USB-C 3.1, Wi-Fi, Bluetooth | USB-C 3.2, HDMI A, Wi-Fi 6, Bluetooth 5.3 |
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