Comparison of Nikon 28-70mm f/2.8 ED-IF AF-S Nikkor and Sony FE 24-70mm f/2.8 GM SEL2470GM

Attribute	Nikon 28-70mm f/2.8 ED-IF AF-S Nikkor ×	Sony FE 24-70mm f/2.8 GM SEL2470GM ×
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Filter Size (mm)	77	82
Notes	Included Accessories: CL-74 case, HB-19 Hood	Dust and moisture resistant; Included Accessories: Hood (ALC-SH141), Lens front cap (ALC-F82S), Lens rear cap (ALC-R1EM), Case
Closest Focus (m)	0.5	0.38
Magnification Ratio (x)	0.18	0.24
Diameter (mm)	89	87.6
Type	Standard Zoom	Standard Zoom
APS Equivalent	42 - 105mm	36 - 105mm
Diaphragm Blades	9	9
Image Circle	35mm	35mm (Full-frame E-Mount)
Focal Length (mm)	28.00 - 70.00	24.00 - 70.00
Brand	Nikon	Sony
Name	Nikon 28-70mm f/2.8 ED-IF AF-S Nikkor	Sony FE 24-70mm f/2.8 GM SEL2470GM
Weight (g)	887	886
Diagonal Angle of View (degree)	34.30 - 74.00	34.00 - 84.00
Lens Construction	15 elements in 11 groups, including 1 aspherical and 2 ED elements	18 elements in 13 groups, including 1 ED (Extra-low-Dispersion), 1 Super ED, and 1 XA (eXtreme Aspherical) elements; Nano AR Coating
Zoom System	Rotary	Rotary with zoom lock
Length (mm)	124	136
Diaphragm Blades Type	-	rounded
Focus Details	Internal; SWM with M/A switch for fast transitions between AF and MF	Direct Drive Super Sonic wave Motor (DDSSM) system with AF/MF switch