Comparison of Pentax 3.2mm f/5.6 03 Fish-Eye and Samsung 10mm f/3.5 Fisheye NX i-Function

Attribute	Samsung 10mm f/3.5 Fisheye NX i-Function ×	Pentax 3.2mm f/5.6 03 Fish-Eye ×
Diameter (mm)	58.8	41
Aperture (f)	3.50 - 22.00	5.60
Diagonal Angle of View (degree)	180.00	160.00
Magnification Ratio (x)	0.22	0.06
Notes	Samsung NX-mount; i-Scene (Night, Portrait, Beauty shot, Children, Backlight, Sports); Available in black or white.	For use with Pentax Q compact system camera. Fixed aperture design. Exposure controlled via camera electronic shutter.
Type	Fisheye Prime	Fish-Eye Prime
Closest Focus (m)	0.09	0.09
APS Equivalent	15.4mm	17.5mm
Lens Construction	7 elements in 5 groups, including 1 aspherical element	6 elements in 5 groups
Image Circle	Samsung NX (APS-C)	Pentax Q-mount
Focal Length (mm)	10.00	3.20
Brand	Samsung	Pentax
Name	Samsung 10mm f/3.5 Fisheye NX i-Function	Pentax 3.2mm f/5.6 03 Fish-Eye
Weight (g)	71	29
Diaphragm Blades	7	-
Length (mm)	26.3	30
Diaphragm Blades Type	circular	-
Focus Details	Silent Autofocus	Manual; Pan Focus Effect