Comparison of Olympus 7-14mm f/4 Zuiko Digital and Sony FE 12-24mm f/2.8 GM

Attribute	Sony FE 12-24mm f/2.8 GM ×	Olympus 7-14mm f/4 Zuiko Digital ×
Diameter (mm)	97.6	86.5
Diagonal Angle of View (degree)	84.00 - 122.00	75.00 - 114.00
Zoom System	Rotary	Rotary
Notes	Sony E-mount; Dust and moisture resistant; Includes built-in petal-shaped lens hood.	Includes Lens Case (LSC-1022); Compatible with TC-14 Teleconverter
Aperture (f)	2.80 - 22.00	4.00 - 22.00
APS Equivalent	18 - 36mm	-
Type	Wide Zoom	Wide Zoom
Diaphragm Blades	9	7
Lens Construction	17 elements in 14 groups, including 3 XA (extreme aspherical) elements, 1 Aspherical elment, 2 Super ED elemente and 3 ED glass elements	18 elements in 12 groups, including aspherical elements and ED/Super ED elements
Image Circle	35mm (Full-frame E-Mount)	Image Circle
Focal Length (mm)	12.00 - 24.00	7.00 - 14.00
Brand	Sony	Olympus
Name	Sony FE 12-24mm f/2.8 GM	Olympus 7-14mm f/4 Zuiko Digital
Weight (g)	847	780
35mm Equivalent	-	14 - 28mm
Length (mm)	137	119.5
Focus Details	Internal with 4 Extreme Dynamic (XD) linear motors; AF/MF switch; 1 Focus hold button (Programmable)	-
Magnification Ratio (x)	0.14	0.11
Diaphragm Blades Type	circular	-
Closest Focus (m)	0.28	0.25