Comparison of Sigma 24mm ƒ/1.8 EX DG Aspherical Macro and Sony FE 24mm f/1.4 GM SEL24F14GM

Attribute	Sigma 24mm ƒ/1.8 EX DG Aspherical Macro ×	Sony FE 24mm f/1.4 GM SEL24F14GM ×
Filter Size (mm)	77	67
Notes	Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax, Four-Thirds	Dust and moisture resistant; Included Accessories: ALC-SH15 Hood, Caps and Case.
Closest Focus (m)	0.18	0.24
Magnification Ratio (x)	0.37	0.17
Type	Wide Prime	Wide Prime
Focus Details	Dual Focus mechanism	Internal with DDSSM (Direct Drive Supersonic Motor); AF/MF switch; customizable focus hold button
APS Equivalent	1.5x: 36mm; 1.6x: 38.4mm	36mm
Diameter (mm)	83.6	75.4
Image Circle	35mm	35mm (Full-frame E-Mount)
Focal Length (mm)	24.00	24.00
Brand	Sigma	Sony
Name	Sigma 24mm ƒ/1.8 EX DG Aspherical Macro	Sony FE 24mm f/1.4 GM SEL24F14GM
Weight (g)	485	445
Aperture (f)	1.80 - 22.00	1.40 - 16.00
Diaphragm Blades	9	11
Diagonal Angle of View (degree)	84.10	84.00
Length (mm)	82.5	92.4
Diaphragm Blades Type	-	rounded
Lens Construction	10 elements in 9 groups, including 2 aspherical elements	13 elements in 10 groups, including 3 ED (Extra-low Dispersion) and 2 XA (eXtreme Aspherical) elements; Nano AR Coating