Canon EOS R3vs EOS R7vs Sigma fp L

GearFrame · Updated March 2026

Canon Canon EOS R3 Canon Canon EOS R3 (2021) From £5999 Best for Sports & photojournalism professionals View Canon EOS R3
VS
Canon EOS R7 Canon EOS R7 (2022) From £1399 Best for Wildlife, sports & action View EOS R7
VS
Sigma Sigma fp L Sigma Sigma fp L (2021) From £1999 Best for High-resolution creative & documentary shooters View Sigma fp L

Which should you buy?

Sports & Photojournalism Professionals — Canon EOS R3 (2021): The pinnacle of Canon's mirrorless lineup for speed — Eye Control AF and 30fps burst in the most rugged body Canon has ever produced.

Wildlife, Sports & Action — EOS R7 (2022): The EOS R7 is one of the most complete APS-C cameras ever made. It combines a class-leading resolution sensor with best-in-class IBIS, 4K/60p video, weather sealing and 15fps burst. For wildlife, sports and action photographers on an APS-C budget, nothing else comes close.

High-Resolution Creative & Documentary Shooters — Sigma fp L (2021): 61MP and phase-detect AF in the world's smallest full-frame body — the fp L is the most capable iteration of Sigma's extraordinary compact.

↓ Full specifications below

Canon EOS R3 (2021)

  • You shoot sport, motorsport, wildlife, or news at a professional level
  • You need Canon's most reliable and fastest autofocus available
  • You need extreme weather sealing for demanding shooting conditions

EOS R7 (2022)

  • Wildlife photographers who need reach, weather sealing and fast burst
  • Sports shooters upgrading from entry-level APS-C bodies
  • Video creators who need uncropped 4K/60p without a full-frame budget
  • Canon DSLR users looking to move to RF mount

Sigma fp L (2021)

  • You need the highest resolution available in the smallest possible full-frame mirrorless
  • You shoot architecture, landscape, or commercial work where fine detail is absolutely critical
  • You want the cinematic flexibility of the fp platform paired with maximum megapixel count

Quick take: The sigma fp l has the highest resolution at 61mp; the eos r7 is the most affordable; only the canon eos r3, eos r7 are weather sealed. Scroll down for the full spec breakdown.

Full specifications

Specification Canon EOS R3 (2021)EOS R7 (2022)Sigma fp L (2021)
Price £5,999 £1,399 £1,999
Sensor 24.1MP full-frame BSI stacked CMOS 32.5MP APS-C CMOS 61MP full-frame BSI CMOS
Resolution 24.1MP 32.5MP 61.0MP
Video 6K RAW, 4K/120p, 1080p/180p 4K/60p (uncropped), 4K/30p (oversampled from 7K), 1080p/120p 12-bit Cinema DNG RAW, 4K/24p
Autofocus Dual Pixel CMOS AF II with Eye Control AF Dual Pixel CMOS AF II, 651 AF zones, subject recognition (people, animals, vehicles) Phase-detect AF with face/eye detection
Stabilisation 8-stop IBIS 7-stop IBIS (8 stops with compatible IS lenses) None (lens-based only)
Burst Rate 30fps electronic / 12fps mechanical 15fps mechanical, 30fps electronic (with blackout) 18fps electronic
Battery Life 620 shots (CIPA) ~770 shots (CIPA) 200 shots (CIPA)
Weight 1015g body only 612g (body, battery, card) 427g body only
Dimensions 150.0 × 142.6 × 87.2mm 132.0 × 90.4 × 91.7mm 112.6 × 69.9 × 45.3mm
Weather Sealed Yes Yes No
Viewfinder 0.76" OLED EVF, 5.76M dots, 120fps EVF, 2.36M dots, 0.72× magnification None (optional clip-on EVF available)
Screen 3.2" fully articulating touchscreen 3.0" vari-angle touchscreen, 1.62M dots 3.15" fixed touchscreen
Mount Canon RF Canon RF-mount Leica L-mount
Memory Cards Dual CFexpress Type B Dual SD UHS-II Single SD UHS-II
Connectivity USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN USB-C (USB 3.2 Gen 2), Wi-Fi, Bluetooth USB-C 3.1, Wi-Fi, Bluetooth
⚡ Compare specs side by side Canon EOS R3 prices → EOS R7 prices → Sigma fp L prices →

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