Comparison of Fujinon XF 18mm ƒ/2 R and Samsung 20mm f/2.8 NX i-Function

Attribute	Fujinon XF 18mm ƒ/2 R ×	Samsung 20mm f/2.8 NX i-Function ×
Magnification Ratio (x)	0.14	0.18
Filter Size (mm)	52	43
Focus Details	AF plus 'fly-by-wire' MF	-
Closest Focus (m)	0.18	0.17
Lens Construction	8 elements in 7 groups (including 2 aspherical elements)	6 elements in 4 groups, including 1 aspherical element
Length (mm)	40.6	24.5
Focal Length (mm)	18.00	20.00
Diaphragm Blades Type	rounded	circular
Brand	Fujinon	Samsung
Image Circle	APS-C (Fujifilm X-mount)	Samsung NX (APS-C)
Name	Fujinon XF 18mm ƒ/2 R	Samsung 20mm f/2.8 NX i-Function
Weight (g)	116	89
Type	Wide Prime	Wide Prime
Notes	For Fujifilm X-mount. Lens caps and metal hood included.	Lens hood optional; i-Scene Mode: Supported (Backlight, Landscape, Sunset, Dawn, Beach&Snow, Night)
APS Equivalent	27mm	30.8mm
Aperture (f)	2.00 - 16.00	2.80 - 22.00
Diaphragm Blades	7	7
Diagonal Angle of View (degree)	76.50	70.20
Diameter (mm)	64.5	62.2