Comparison of Pentax Q 11.5mm f/9 07 Mount Shield Lens and Sony E 20mm f/2.8 SEL20F28

Attribute	Sony E 20mm f/2.8 SEL20F28 ×	Pentax Q 11.5mm f/9 07 Mount Shield Lens ×
Filter Size (mm)	49	-
Magnification Ratio (x)	0.12	-
Type	Wide Prime	Body Cap Pancake Prime
Diaphragm Blades Type	rounded	-
35mm Equivalent	-	Q7: 53mm Q/Q10: 63.5mm
Weight (g)	69	8
Image Circle	APS-C (Sony E-Mount)	Image Circle
Diaphragm Blades	7	-
Lens Construction	6 elements in 6 groups, includes 3 aspherical surfaces	1 element
Focal Length (mm)	20.00	11.50
Notes	Sony E-Mount. Included Accessories: front and rear lens caps.	This lens is used for both snapshots and as a body cap.
Aperture (f)	2.80 - 22.00	9.00
Diameter (mm)	62.6	40.8
Closest Focus (m)	0.2	-
Brand	Sony	Pentax
Focus Details	Autofocus with stepper motor (quiet AF for movie capture); Direct Manual Focus supported.	-
Name	Sony E 20mm f/2.8 SEL20F28	Pentax Q 11.5mm f/9 07 Mount Shield Lens
APS Equivalent	30mm	-
Length (mm)	20.4	6.9