Decision tools · Compare

EOS 5DS vs A1

Quick take: The EOS 5DS has the highest resolution at 51MP; the EOS 5DS is the most affordable; only the A1 is weather sealed.

16 specs side by side·14 genres scored·UK prices from Wex Photo Video and Clifton Cameras

How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.

Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more

Verdictwhich should you buy?

A1 — Professional Sport, Wildlife, Portrait & Hybrid Shooting: 50MP, 30fps, 8K — the Sony A1 is the most complete professional camera ever made.

Who should buy what
A1 (2021)
is the right camera for you if…
  • Professional photographers who need resolution and speed without compromise
  • Sports and wildlife photographers demanding the absolute fastest Sony
  • Studio and fashion photographers who also shoot sport or events
  • A9 III or A7R V owners who want a single body that does everything
Full specificationsthe better value in each row is highlighted
Specification EOS 5DSCanon · 2015A1Sony · 2021
Price £337 usedBest£4,199
Sensor 50.6MP full-frame CMOS50.1MP Full-Frame Stacked BSI CMOS Exmor RS
Resolution 50.6MPBest50.1MP
Video Full HD 1080p/30, 720p/608K/30p, 4K/120p, 1080p/240p
Autofocus 61-point phase-detect (41 cross-type) via viewfinder with EOS iTR face / colour tracking; contrast AF with face tracking in live viewReal-time Tracking, AI subject recognition — 759 phase-detect points
Stabilisation No IBIS (lens-based stabilisation only)IBIS — up to 5.5 stops
Burst Rate 5fps30fps electronic with full AF/AEBest
Battery Life ~700 shots (CIPA)Best~430 shots (CIPA)
Weight 930g (with battery)737g (with battery and card)Best
Dimensions 152 × 116.4 × 76.4mm128.9 × 96.9 × 80.8mm
Weather Sealed Not weather sealedYesBest
Viewfinder Optical pentaprism, 100% coverage, 0.71xEVF, 9.44M dots, 0.90× magnification, 240fps
Screen 3.2" fixed LCD, 1.04M dots3.0" fully tilting touchscreen
Mount Canon EFSony FE mount (full-frame E-mount)
Memory Cards Dual slots: CompactFlash + SDDual CFexpress Type A / SD UHS-II
Connectivity USB 3.0, mini HDMI, 3.5mm mic, PC sync, N3 remoteUSB-C, Wi-Fi 5GHz, Bluetooth, Ethernet, HDMI

Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.

How they score by genreengine base scores out of 10
Genre
EOS 5DS
A1
Portrait
6.4/10
8.2/10
Street
4.6/10
6.1/10
Travel
4.1/10
5.9/10
Wedding & Events
6.0/10
7.9/10
Documentary
4.1/10
7.6/10
Sports & Action
5.3/10
8.8/10
Landscape
5.6/10
7.6/10
Wildlife
5.4/10
8.7/10
Casual
2.8/10
4.8/10
Food
4.8/10
7.4/10
Macro
4.3/10
7.3/10
Architecture
6.1/10
7.9/10
Astrophotography
5.6/10
6.8/10
Filmmaking
—
7.8/10

Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →

Next
More comparisons with EOS 5DS
Camera family history