Comparison of Samsung 20mm f/2.8 NX i-Function and Samsung 30mm f/2 NX

Attribute	Samsung 20mm f/2.8 NX i-Function ×	Samsung 30mm f/2 NX ×
Notes	Lens hood optional; i-Scene Mode: Supported (Backlight, Landscape, Sunset, Dawn, Beach&Snow, Night)	Samsung NX Mount. Included Accessories: Lens Caps, Soft Case; Lens Hood Optional.
Aperture (f)	2.80 - 22.00	2.00 - 22.00
Magnification Ratio (x)	0.18	0.16
Filter Size (mm)	43	43
Type	Wide Prime	Standard Prime
Closest Focus (m)	0.17	0.25
APS Equivalent	30.8mm	46mm
Diameter (mm)	62.2	61.5
Image Circle	Samsung NX (APS-C)	Samsung NX (APS-C)
Focal Length (mm)	20.00	30.00
Brand	Samsung	Samsung
Name	Samsung 20mm f/2.8 NX i-Function	Samsung 30mm f/2 NX
Weight (g)	89	85
Diaphragm Blades Type	circular	-
Diaphragm Blades	7	7
Diagonal Angle of View (degree)	70.20	50.20
Length (mm)	24.5	21.5
Focus Details	-	Autofocus with manual focusing ring
Lens Construction	6 elements in 4 groups, including 1 aspherical element	5 elements in 5 groups, including 1 aspherical