Upgrade Guide

Canon EOS 450D→Canon EOS-1D Mark III

Is it worth upgrading? Spec analysis, key improvements, and our verdict.

You own

Canon

EOS 450D

£20 used

2008

→

Upgrade to

Canon

EOS-1D Mark III

£102 used (+£82)

2007

✅

Worthwhile

Clear improvements over the EOS 450D. Whether it justifies the cost depends on which upgrades matter most to your shooting.

What's new in the EOS-1D Mark III

Unchanged or similar

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.

Full spec comparison

Spec	EOS 450D	EOS-1D Mark III
Price	£20 used	£102 used
Released	2008	2007	↓
Sensor	12.2MP APS-C CMOS	10.1MP APS-H CMOS
Resolution	12MP	10MP	↓
Video	No video	No video
Autofocus	9-point phase-detect via viewfinder; contrast (Live mode) AF in live view	45-point phase-detect (19 cross-type + 26 assist) via viewfinder
Stabilisation	No IBIS (lens-based stabilisation only)	No IBIS (lens-based stabilisation only)
Burst Rate	3.5fps	10fps	↑
Battery Life	~500 shots (CIPA)	~2200 shots (CIPA)	↑
Weight	525g (with battery)	1155g (body only)	↓
Weather Sealed	Not weather sealed	Not weather sealed
Viewfinder	Optical pentamirror, 95% coverage, 0.87x	Optical pentaprism, 100% coverage, 0.76x
Screen	3.0" fixed LCD, 230k dots	3.0" fixed LCD, 230k dots
Mount	Canon EF / EF-S	Canon EF
Memory Cards	Single SD slot	Dual slots: CompactFlash + SD

Compare side-by-side

See EOS 450D and EOS-1D Mark III next to each other with our interactive comparison tool.

Get a personalised upgrade score

Tell us what you shoot and we'll score the EOS-1D Mark III against your specific genres — not just specs.

Other upgrades from the EOS 450D

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Camera family history