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Quick take: The EOS 5D Mark III has the highest resolution at 22MP; the 1 J5 is the most affordable; only the EOS 5D Mark III is weather sealed.
Where the EOS 5D Mark III wins
Where the 1 J5 wins
16 specs side by side·14 genres scored·UK prices from Wex Photo Video, Clifton Cameras, MPB, eBay and Amazon UK
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The 1 J5 is 54 mm narrower, 56 mm shorter, 44 mm slimmer and 685 g lighter than the EOS 5D Mark III.
Drawn to scale from the makers' dimensions (W × H × D). Front shown, depth on the slanted edge.
| Specification | EOS 5D Mark IIICanon · 2012 | 1 J5Nikon · 2015 |
|---|---|---|
| Price | £125 used | £93 usedBest |
| Sensor | 22.3MP full-frame CMOS | 20.8MP 1-inch (CX) BSI CMOS |
| Resolution | 22.3MPBest | 20.8MP |
| Video | Full HD 1080p/30, 720p/60 | 4K UHD/15p, 1080p/60 |
| Autofocus | 61-point phase-detect (41 cross-type) via viewfinder; contrast AF with face detection in live view | Hybrid AF: 171 areas, 105 with phase detection; face detection, subject tracking |
| Stabilisation | No IBIS (lens-based stabilisation only) | No IBIS (lens-based stabilisation only) |
| Burst Rate | 6fps | 20fpsBest |
| Battery Life | ~950 shots (CIPA)Best | ~250 shots (CIPA) |
| Weight | 950g (with battery) | 265g (with battery)Best |
| Dimensions | 152 × 116.4 × 76.4mm | 98.3 × 59.7 × 31.5mm |
| Weather Sealed | YesBest | Not weather sealed |
| Viewfinder | Optical pentaprism, 100% coverage, 0.71x | None (rear screen only) |
| Screen | 3.2" fixed LCD, 1.04M dots | 3.0" tilting touchscreen, 1.04M dots |
| Mount | Canon EF | Nikon 1 |
| Memory Cards | Dual slots: CompactFlash + SD | Single microSD slot |
| Connectivity | USB 2.0, mini HDMI, AV out, 3.5mm mic & headphone jacks, N3 remote | USB, micro HDMI, Wi-Fi, NFC |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
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 →