Comparison of Laowa 15mm f/2 FE Zero-D and Pentax 11-18mm f/2.8 ED DC AW HD DA*

Attribute	Pentax 11-18mm f/2.8 ED DC AW HD DA* ×	Laowa 15mm f/2 FE Zero-D ×
Aperture (f)	2.80 - 22.00	2.00 - 22.00
Filter Size (mm)	82	72
Notes	Dustproof, weather-resistant construction; Features latest lens coatings.	Available Mounts: Canon RF, Nikon Z, Sony E; Petal-shaped lens hood included.
Closest Focus (m)	0.3	0.15
Magnification Ratio (x)	0.1	0.25
Diaphragm Blades Type	rounded	-
Type	Wide Zoom	Wide Prime
APS Equivalent	17 - 27.5mm	1.5x: 22.5mm
Diaphragm Blades	9	9
Image Circle	APS-C	35mm
Focal Length (mm)	11.00 - 18.00	15.00
Brand	Pentax	Laowa
Name	Pentax 11-18mm f/2.8 ED DC AW HD DA*	Laowa 15mm f/2 FE Zero-D
Weight (g)	704	500
Diagonal Angle of View (degree)	76.00 - 104.00	110.00
Lens Construction	16 elements in 11 groups	12 elements in 9 groups, including 2 aspherical and 3 ED elements; FEC coating
Diameter (mm)	90	66
Length (mm)	100	82
Zoom System	Rotary	-
Focus Details	AF with DC motor; Focus Clamp Mechanism; AF/MF switch	Internal; Manual focus only