Lens comparison

Canon EF 24-70mm f/2.8L USM vs. Sigma 24-70mm f/2.8 EX DG MACRO vs. Sigma 24-70mm f/2.8 IF EX DG HSM vs. Sigma 28-70mm f/2.8 EX DG vs. Tokina AF28-70mm f/2.8 AT-X PRO SV

Lens comparison

	Canon EF 24-70mm f/2.8L USM	Sigma 24-70mm f/2.8 EX DG MACRO	Sigma 24-70mm f/2.8 IF EX DG HSM	Sigma 28-70mm f/2.8 EX DG	Tokina AF28-70mm f/2.8 AT-X PRO SV
Available mount(s)	Canon EF	Canon EF, Nikon F, Pentax K, Sony / Minolta A, Sigma	Canon EF, Nikon F, Pentax K, Sony / Minolta A, Sigma	Canon EF, Nikon F, Pentax K, Sony / Minolta A, Sigma	Canon EF, Nikon F, Pentax K, Sony / Minolta A
Application(s)	Portrait, Sports, Closeup, Landscape, Interiors, Architecture	Portrait, Closeup, Landscape, Interiors, Architecture	Portrait, Closeup, Landscape, Interiors, Architecture	Portrait, Landscape, Architecture	Portrait, Landscape, Architecture
Category(s)	Standard zoom	Standard zoom	Standard zoom	Standard zoom	Standard zoom
Multiplier	1×	1×	1×	1×	1×
Stabilizer	no	no	no	no	no
Focal length	24 - 70 mm (2.9× zoom)	24 - 70 mm (2.9× zoom)	24 - 70 mm (2.9× zoom)	28 - 70 mm (2.5× zoom)	28 - 70 mm (2.5× zoom)
Lens construction	30 elements in 16 groups	14 elements in 13 groups	14 elements in 12 groups	14 elements in 12 groups	16 elements in 12 groups
Angle of view	35mm: 84-34° digital: N/A	35mm: 84.1-34.3° digital: 54.8-20.2°	35mm: 84.1-34.3° digital: 54.8-20.2°	35mm: 75.4-34.3° digital: 47.9-20.2°	35mm: 75.3-34.3° digital: N/A
Number of blades	8	9	9	9	8
Maximum aperture	wide: f/2.8 tele: f/2.8	wide: f/2.8 tele: f/2.8	wide: N/A tele: N/A	wide: f/2.8 tele: f/2.8	wide: f/2.8 tele: f/2.8
Minimum aperture	wide: f/22 tele: N/A	wide: f/32 tele: N/A	wide: N/A tele: N/A	wide: f/22 tele: N/A	wide: f/22 tele: N/A
Minimum focusing distance	38 cm	40 cm	38 cm	33 cm	70 cm
Magnification	0.29×	0.26×	0.19×	0.23×	0.2×
Filter size	77 mm	82 mm	82 mm	67 mm	77 mm
Size	∅ 83.2 × 123.5 mm	∅ 88.7 × 115.5 mm	∅ 88.6 × 94.7 mm	∅ 74 × 87.2 mm	∅ 84 × 108 mm
Weight	950 g	715 g	790 g	510 g	719 g
Notes	Mechanical full-time manual focusing built-in. Magnification: 0,29x at 70 mm
AF speed	N/A	0.3 sec. (from close up to infinity)	N/A	N/A	N/A
AF sound
Internal focusing	yes	no	yes	yes	yes
Internal zoom	no	N/A	N/A	no	N/A
Fix front lens	yes	yes	yes	yes	yes
Mount type	metal	metal	metal	metal	metal
Weather sealed	yes	N/A	N/A	no	N/A
Drop in filter	no	no	no	no	no
Ultrasonic AF	yes	no	yes	no	no
Stepping motor AF	no	no	no	no	no
APS-C sized circle	no	no	no	no	no
Low dispersion lens element	yes	yes	yes	yes	yes
Hard case	N/A	N/A	not included	N/A	N/A
Soft case	LP1219	N/A	included	N/A	included
Lens hood	EW-83F printable lens hood	LH875-02 printable lens hood	included	LH730-02 printable lens hood	BH773 (included) printable lens hood
Tripod adapter	N/A	N/A	not included	N/A	N/A
Review URL
Discontinued	yes	yes	N/A	yes	yes