Comparison of Laowa 4mm f/2.8 Fisheye MFT and Samsung 10mm f/3.5 Fisheye NX i-Function

Attribute	Samsung 10mm f/3.5 Fisheye NX i-Function ×	Laowa 4mm f/2.8 Fisheye MFT ×
Aperture (f)	3.50 - 22.00	2.80 - 16.00
Diagonal Angle of View (degree)	180.00	210.00
Magnification Ratio (x)	0.22	0.11
Notes	Samsung NX-mount; i-Scene (Night, Portrait, Beauty shot, Children, Backlight, Sports); Available in black or white.	Available mounts: Micro Four Thirds
Type	Fisheye Prime	Fisheye Prime
Closest Focus (m)	0.09	0.08
Diaphragm Blades	7	7
APS Equivalent	15.4mm	-
Image Circle	Samsung NX (APS-C)	Micro Four-Thirds
Focal Length (mm)	10.00	4.00
Brand	Samsung	Laowa
Name	Samsung 10mm f/3.5 Fisheye NX i-Function	Laowa 4mm f/2.8 Fisheye MFT
Weight (g)	71	135
Diameter (mm)	58.8	45.2
Lens Construction	7 elements in 5 groups, including 1 aspherical element	7 elements in 6 groups
35mm Equivalent	-	8mm
Length (mm)	26.3	25.5
Diaphragm Blades Type	circular	-
Focus Details	Silent Autofocus	Internal; Manual Focus only