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EOS-1Ds vs EOS M3

Quick take: The EOS M3 has the highest resolution at 24MP; the EOS M3 is the most affordable; only the EOS-1Ds is weather sealed.

15 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?

EOS-1Ds — Full-Frame Dslr History & Canon Archive Collections: The world's first production full-frame DSLR — the EOS-1Ds arrived in 2002 with 11MP and changed professional photography forever. Historically irreplaceable.

EOS M3 — Casual & Everyday: The EOS M3 was a meaningful upgrade over the original EOS M — bringing 24MP, a tilting touchscreen, and improved Hybrid CMOS AF III. Video tops out at 1080p/30p and burst shooting is modest, but for stills photographers wanting affordable APS-C quality, the M3 is a competent used-market option.

Who should buy what
EOS-1Ds (2002)
is the right camera for you if…
  • Collectors and historians of professional digital photography
  • Canon archivists who want the full EOS-1 lineage represented
  • Photography educators documenting the full-frame transition
EOS M3 (2015)
is the right camera for you if…
  • Photographers who want affordable 24MP APS-C quality on a budget
  • Casual shooters who want a compact EF-M camera with a tilting screen
  • Users looking for an affordable entry into the Canon EF-M ecosystem
  • Used-market buyers wanting a capable but inexpensive mirrorless
Full specificationsthe better value in each row is highlighted
Specification EOS-1DsCanon · 2002EOS M3Canon · 2015
Price £200£150Best
Sensor 11.1MP full-frame CMOS24.2MP APS-C CMOS
Resolution 11.1MP24.2MPBest
Video —1080p/30p
Autofocus 45-point AF with 7 cross-type pointsHybrid CMOS AF III (phase-detect + contrast-detect)
Burst Rate 3fps continuous4.2fpsBest
Battery Life ~500 shots per chargeBest~250 shots (CIPA)
Weight 1270g (body only)366g (body only)Best
Dimensions 155.6 × 117.8 × 79.9mm110.9 × 68.0 × 44.4mm
Weather Sealed YesBestNot weather sealed
Viewfinder OVF, 0.70× magnification, 100% coverageNone (optional EVF-DC1 accessory)
Screen 2.0" fixed LCD3.0" tilting touchscreen, 1.04M dots
Mount Canon EFCanon EF-M mount
Memory Cards CompactFlash Type I/IISingle SD UHS-I slot
Connectivity USB 1.1, FireWireUSB, Wi-Fi, NFC

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-1Ds
EOS M3
Portrait
5.1/10
5.6/10
Street
3.6/10
6.9/10
Travel
3.5/10
6.2/10
Wedding & Events
4.6/10
4.1/10
Documentary
3.6/10
4.3/10
Sports & Action
4.4/10
4.2/10
Landscape
4.2/10
4.7/10
Wildlife
5.0/10
4.4/10
Casual
1.9/10
4.7/10
Food
3.5/10
5.5/10
Macro
3.2/10
4.5/10
Architecture
4.0/10
4.7/10
Astrophotography
5.7/10
4.1/10
Vlogging & Video
—
5.0/10

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 →

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