Comparison of Pentax 3.2mm f/5.6 03 Fish-Eye and Samsung 9mm f/3.5 ED NX-M

Attribute	Samsung 9mm f/3.5 ED NX-M ×	Pentax 3.2mm f/5.6 03 Fish-Eye ×
Diameter (mm)	50	41
Aperture (f)	3.50 - 13.00	5.60
Diagonal Angle of View (degree)	83.40	160.00
Magnification Ratio (x)	0.11	0.06
Notes	Samsung NX-M Mount	For use with Pentax Q compact system camera. Fixed aperture design. Exposure controlled via camera electronic shutter.
Type	Wide Prime	Fish-Eye Prime
Closest Focus (m)	0.11	0.09
APS Equivalent	24.3mm	17.5mm
Lens Construction	6 elements in 5 groups; including 1 aspherical, 1 Extra-low Dispersion and 1 Xtreme High Refractive element	6 elements in 5 groups
Image Circle	Samsung NX-M(1"-type, 2.7x crop factor)	Pentax Q-mount
Focal Length (mm)	9.00	3.20
Brand	Samsung	Pentax
Name	Samsung 9mm f/3.5 ED NX-M	Pentax 3.2mm f/5.6 03 Fish-Eye
Weight (g)	31	29
Diaphragm Blades	5	-
Length (mm)	12.5	30
Diaphragm Blades Type	circular	-
Focus Details	Autofocus	Manual; Pan Focus Effect