Canon EF 70-300mm f/4.5-5.6 DO IS USM vs Sigma 120-400mm f/4.5-5.6 APO DG OS HSM

Both are Canon EF telephoto zoom lenses for full frame. Here is what actually differs.

Canon · 2004

EF 70-300mm f/4.5-5.6 DO IS USM

f/4.5720 gUSM

Full specs

Sigma

120-400mm f/4.5-5.6 APO DG OS HSM

f/4.5HSM

Check price Full specs

Pick the Canon EF 70-300mm f/4.5-5.6 DO IS USM if

You want a wider view: 70mm vs 120mm at the wide end

Pick the Sigma 120-400mm f/4.5-5.6 APO DG OS HSM if

You need more reach: 400mm vs 300mm at the long end
You care about the shape of out-of-focus highlights: 9 aperture blades vs 6

Spec differences

12 differences

Specifications that differ between the Canon EF 70-300mm f/4.5-5.6 DO IS USM and the Sigma 120-400mm f/4.5-5.6 APO DG OS HSM
	Canon EF 70-300mm f/4.5-5.6 DO IS USM	Sigma 120-400mm f/4.5-5.6 APO DG OS HSM
Brand	Canon	Sigma
Focal length	70-300mm	120-400mm
Weight	720 g	not listed
Length	99.9 mm	not listed
Diameter	82.4 mm	not listed
Filter thread	58 mm	77 mm
Min focus distance	1.4 m closer	1.5 m
Max magnification	not listed	0.24×
Aperture blades	6	9 more blades
Optical design	18 elements / 12 groups	21 elements / 15 groups
Autofocus motor	USM	HSM
Released	2004	not listed

5 identical specs hidden: mount, type, format, max aperture, image stabilization. Show all

Mount: Canon EF both
Type: Telephoto Zoom both
Format: Full frame both
Max aperture: f/4.5 both
Image stabilization: Yes both

Our notes

Canon EF 70-300mm f/4.5-5.6 DO IS USM

Canon EF 70-300mm f/4.5-5.6 DO IS USM: a telephoto zoom lens with a 70-300mm focal length and a maximum aperture of f/4.5-5.6, made for Canon EF mount cameras, with Image Stabilizer and ultrasonic-motor autofocus. The range suits sports, wildlife, events and portraits.

Our notes