Comparison of Nikon Z 24-70mm f/4 S Nikkor and Sigma 24-60mm f/2.8 EX DG

Attribute	Sigma 24-60mm f/2.8 EX DG ×	Nikon Z 24-70mm f/4 S Nikkor ×
Notes	Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax	For Nikon Z-mount; Dust- and drip-resistance
Magnification Ratio (x)	0.17	0.3
Filter Size (mm)	77	72
Length (mm)	87.2	88.5
Closest Focus (m)	0.38	0.3
Diagonal Angle of View (degree)	39.60 - 84.10	34.30 - 84.00
Focus Details	Internal Focus	Internal focusing with stepper motor; A/M switch
Focal Length (mm)	24.00 - 60.00	24.00 - 70.00
APS Equivalent	1.5x: 36 - 90mm; 1.6x: 38.4 - 96mm	36 - 105mm
Brand	Sigma	Nikon
Image Circle	35mm	35mm (Z Mount)
Name	Sigma 24-60mm f/2.8 EX DG	Nikon Z 24-70mm f/4 S Nikkor
Weight (g)	550	500
Type	Standard Zoom	Standard Zoom
Aperture (f)	2.80 - 22.00	4.00 - 22.00
Diaphragm Blades	9	7
Diaphragm Blades Type	-	rounded
Lens Construction	16 elements in 15 groups, including 4 aspherical and 2 SLD elements	14 elements in 11 groups, including 1 ED, 1 aspherical ED and 3 apherical elements; Nano Crystal Coat; Flourine coating on front element surface
Zoom System	Rotary with lock	Rotary with locking retracting mechanism
Diameter (mm)	83.6	77.5