Comparison of Samsung 9mm f/3.5 ED NX-M and Samsung 10mm f/3.5 Fisheye NX i-Function

Attribute	Samsung 10mm f/3.5 Fisheye NX i-Function ×	Samsung 9mm f/3.5 ED NX-M ×
Diaphragm Blades Type	circular	circular
Notes	Samsung NX-mount; i-Scene (Night, Portrait, Beauty shot, Children, Backlight, Sports); Available in black or white.	Samsung NX-M Mount
Aperture (f)	3.50 - 22.00	3.50 - 13.00
Closest Focus (m)	0.09	0.11
Magnification Ratio (x)	0.22	0.11
Type	Fisheye Prime	Wide Prime
Focus Details	Silent Autofocus	Autofocus
APS Equivalent	15.4mm	24.3mm
Diaphragm Blades	7	5
Image Circle	Samsung NX (APS-C)	Samsung NX-M(1"-type, 2.7x crop factor)
Focal Length (mm)	10.00	9.00
Brand	Samsung	Samsung
Name	Samsung 10mm f/3.5 Fisheye NX i-Function	Samsung 9mm f/3.5 ED NX-M
Weight (g)	71	31
Diagonal Angle of View (degree)	180.00	83.40
Length (mm)	26.3	12.5
Diameter (mm)	58.8	50
Lens Construction	7 elements in 5 groups, including 1 aspherical element	6 elements in 5 groups; including 1 aspherical, 1 Extra-low Dispersion and 1 Xtreme High Refractive element