Upgrade Guide
Canon EOS M100→Canon EOS-1D Mark IV
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Strong upgrade
The EOS-1D Mark IV improves across 3 key areas at a reasonable price gap. Most EOS M100 owners will notice the difference.
What's new in the EOS-1D Mark IV
-
StabilisationIBIS added — significant for handheld and video
-
Burst rate10fps vs 6.1fps
-
Battery life~1500 shots (CIPA) vs ~295 shots (CIPA)
Unchanged or similar
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Resolution16MP (down from 24MP — optimised for low light)
Suitability by genre
Base scores — computed from verified specs for an enthusiast shooting photo and video. The Upgrade Checker adjusts them for your skill level.
| Genre | EOS M100 | EOS-1D Mark IV | |
|---|---|---|---|
| Portrait | +0.6 | ||
| Street | -2.9 | ||
| Travel | -2.7 | ||
| Wedding & Events | +2.6 | ||
| Vlogging & Video | — | ||
| Documentary | -0.1 | ||
| Sports & Action | +2.1 | ||
| Landscape | -1.0 | ||
| Wildlife | +1.6 | ||
| Casual | -3.4 | ||
| Food | -2.2 | ||
| Macro | -1.1 | ||
| Architecture | -0.3 | ||
| Astrophotography | +1.0 |
Full spec comparison
| Spec | EOS M100 | EOS-1D Mark IV | |
|---|---|---|---|
| Price | £102 used | £102 used | |
| Released | 2017 | 2009 | ↓ |
| Sensor | 24.2MP APS-C CMOS (Dual Pixel) | 16.1MP APS-H CMOS | |
| Resolution | 24MP | 16MP | ↓ |
| Video | 1080p/60p | Full HD 1080p/30, 720p/60 | |
| Autofocus | Dual Pixel CMOS AF with face and subject detection | 45-point phase-detect (39 cross-type) via viewfinder; contrast AF with face detection in live view | |
| Stabilisation | — | No IBIS (lens-based stabilisation only) | |
| Burst Rate | 6.1fps | 10fps | ↑ |
| Battery Life | ~295 shots (CIPA) | ~1500 shots (CIPA) | ↑ |
| Weight | 266g (body only) | 1180g (body only) | ↓ |
| Weather Sealed | Not weather sealed | Not weather sealed | |
| Viewfinder | No viewfinder | Optical pentaprism, 100% coverage, 0.76x | |
| Screen | 3.0" tilting touchscreen, 1.04M dots | 3.0" fixed LCD, 920k dots | |
| Mount | Canon EF-M mount | Canon EF | |
| Memory Cards | Single SD UHS-I slot | Dual slots: CompactFlash + SD |
Compare side-by-side
⚖️ Compare these cameras
See EOS M100 and EOS-1D Mark IV next to each other with our interactive comparison tool.
Get a personalised upgrade score
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Tell us what you shoot and we'll score the EOS-1D Mark IV against your specific genres — not just specs.
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