Comparison of Sigma 24-70mm f/3.5-5.6 Aspherical HF and Sony E 16-70mm ƒ/4 Carl Zeiss Vario-Tessar T* ZA OSS SEL1670Z

Attribute	Sigma 24-70mm f/3.5-5.6 Aspherical HF ×	Sony E 16-70mm ƒ/4 Carl Zeiss Vario-Tessar T* ZA OSS SEL1670Z ×
Aperture (f)	3.50 - 22.00	4.00 - 22.00
Filter Size (mm)	62	55
Notes	Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax	For Sony E-Mount. Optical Image Stabilization. Included Accessories: Front and rear lens caps, ALC-SH111 Petal lens hood, Lens carrying case.
Closest Focus (m)	0.4	0.35
Magnification Ratio (x)	0.22	0.23
Diameter (mm)	69.5	66.6
Type	Standard Zoom	Standard Zoom
APS Equivalent	1.5x: 36 - 105mm; 1.6x: 38.4 - 112mm	24 - 105mm
Diaphragm Blades	8	7
Image Circle	35mm	Image Circle
Focal Length (mm)	24.00 - 70.00	16.00 - 70.00
Brand	Sigma	Sony
Name	Sigma 24-70mm f/3.5-5.6 Aspherical HF	Sony E 16-70mm ƒ/4 Carl Zeiss Vario-Tessar T* ZA OSS SEL1670Z
Weight (g)	285	308
Diagonal Angle of View (degree)	34.30 - 84.10	23.00 - 83.00
Lens Construction	9 elements in 7 groups, including 3 aspherical elements	16 elements in 12 groups, including 4 aspherical elements and 1 ED glass element
Zoom System	Rotary	Rotary
Length (mm)	76.4	75
Diaphragm Blades Type	-	circular
Focus Details	Helical Focusing	Autofocus with manual focus support