Canon EOS 90Dvs Leica SL3vs A7 IV

GearFrame · Updated March 2026

Canon Canon EOS 90D Canon Canon EOS 90D (2019) From £849 Best for Sports, wildlife & DSLR enthusiasts View Canon EOS 90D
VS
Leica Leica SL3 Leica Leica SL3 (2024) From £6499 Best for Professional & luxury hybrid shooters View Leica SL3
VS
Sony A7 IV Sony A7 IV (2021) From £2299 Best for Portrait & wedding photography View A7 IV

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.

Portrait & Wedding Photography — A7 IV (2021): The full-frame portrait benchmark — 33MP, AI Eye AF, and exceptional skin-tone rendering in a pro-grade hybrid body.

↓ Full specifications below

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

A7 IV (2021)

  • You want a high-resolution full-frame all-rounder for portraits, weddings, or travel
  • You're stepping up from APS-C or a DSLR and want the best all-round full-frame body under £3,000
  • You shoot a mix of stills and video and need a single body that handles both seriously
  • You want access to the widest lens ecosystem in the mirrorless market

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)A7 IV (2021)
Price £849 £6,499 £2,299
Sensor 32.5MP APS-C CMOS (Dual Pixel AF) 60MP full-frame BSI CMOS 33MP Full-frame BSI Exmor R CMOS
Resolution 32.5MP 60.0MP 33.0MP
Video 4K/30p (1.6× crop), FHD/120p 8K/30p, 4K/60p, Apple ProRes 4K/60p oversampled, 10-bit internal, S-Log3, S-Cinetone
Autofocus Dual Pixel CMOS AF (live view), 45-point phase-detect (OVF) Phase-detect AF with subject/face/eye detection 759-point phase-detect, AI subject recognition
Stabilisation None (no IBIS) 7.5-stop IBIS 5-axis IBIS, 5.5 stops
Burst Rate 10fps mechanical 30fps electronic 10fps mechanical, 30fps electronic
Battery Life ~1300 shots (CIPA with OVF) 410 shots (CIPA) ~580 shots (CIPA)
Weight 701g body only 875g body only 659g body only
Dimensions 140.7 × 104.8 × 76.8mm 146.0 × 104.0 × 42.0mm 131.3 × 96.4 × 79.8mm
Weather Sealed Yes Yes Yes
Viewfinder Optical pentaprism, 100% coverage, 0.95× magnification 0.78" OLED EVF, 5.76M dots EVF, 3.69M dots, 0.78× magnification
Screen 3.0" vari-angle touchscreen 3.2" fixed touchscreen 3.0" vari-angle touchscreen
Mount Canon EF / EF-S Leica L-mount Sony FE (full-frame E-mount)
Memory Cards Dual SD UHS-II slots Dual SD UHS-II Dual slots: CFexpress Type A + SD UHS-II
Connectivity USB 2.0, Bluetooth, Wi-Fi USB-C 3.1, Wi-Fi, Bluetooth USB-C (3.2 Gen 2), Bluetooth, Wi-Fi
⚡ Compare specs side by side Canon EOS 90D prices → Leica SL3 prices → A7 IV prices →

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