Comparison of Pentax 3.2mm f/5.6 03 Fish-Eye and Pentax 3.8-5.9mm f/3.7-4 08 Wide Zoom

Attribute	Pentax 3.8-5.9mm f/3.7-4 08 Wide Zoom ×	Pentax 3.2mm f/5.6 03 Fish-Eye ×
Diameter (mm)	54	41
Aperture (f)	3.70 - 8.00	5.60
Diagonal Angle of View (degree)	77.00 - 102.00	160.00
Magnification Ratio (x)	0.03	0.06
Notes	For use with Pentax Q compact system camera. PENTAX SP (Super Protect) coating. Optional PH-RBF49 lens hood.	For use with Pentax Q compact system camera. Fixed aperture design. Exposure controlled via camera electronic shutter.
Type	Wide Zoom	Fish-Eye Prime
Closest Focus (m)	0.25	0.09
APS Equivalent	Q, Q10: 21 - 32.5mmQ7: 17.5 - 27mm	17.5mm
Lens Construction	10 elements in 8 groups	6 elements in 5 groups
Image Circle	Pentax Q-mount	Pentax Q-mount
Focal Length (mm)	3.80 - 5.90	3.20
Brand	Pentax	Pentax
Name	Pentax 3.8-5.9mm f/3.7-4 08 Wide Zoom	Pentax 3.2mm f/5.6 03 Fish-Eye
Weight (g)	75	29
Filter Size (mm)	49	-
Length (mm)	38	30
Zoom System	Rotary	-
Focus Details	Inner focusing with STM (stepper motor)	Manual; Pan Focus Effect