Comparison of Samsung 20mm f/2.8 NX i-Function and Sony E 16mm ƒ/2.8 SEL16F28

Attribute	Samsung 20mm f/2.8 NX i-Function ×	Sony E 16mm ƒ/2.8 SEL16F28 ×
Notes	Lens hood optional; i-Scene Mode: Supported (Backlight, Landscape, Sunset, Dawn, Beach&Snow, Night)	Sony E-Mount
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Magnification Ratio (x)	0.18	0.073
Filter Size (mm)	43	49
Type	Wide Prime	Wide Prime
Closest Focus (m)	0.17	0.24
APS Equivalent	30.8mm	24mm
Diameter (mm)	62.2	62
Image Circle	Samsung NX (APS-C)	APS-C (Sony E-Mount)
Focal Length (mm)	20.00	16.00
Brand	Samsung	Sony
Name	Samsung 20mm f/2.8 NX i-Function	Sony E 16mm ƒ/2.8 SEL16F28
Weight (g)	89	70
Diaphragm Blades Type	circular	circular
Diaphragm Blades	7	7
Diagonal Angle of View (degree)	70.20	83.00
Length (mm)	24.5	22.5
Focus Details	-	AF/MF; Stepping Motor; Silent AF operation for video capture
Lens Construction	6 elements in 4 groups, including 1 aspherical element	5 elements in 5 groups, including 1 aspheric surface