Comparison of Laowa 15mm f/4 1:1 Macro and Pentax SMC P-DA 14mm f/2.8 ED IF

Attribute	Laowa 15mm f/4 1:1 Macro ×	Pentax SMC P-DA 14mm f/2.8 ED IF ×
Magnification Ratio (x)	1	0.19
Filter Size (mm)	77	77
Focus Details	Internal; Manual Focus only	Internal with "Quick Shift" AF/MF mechanism
Closest Focus (m)	0.12	0.17
Lens Construction	12 elements in 9 groups, including 1 ED and 3 HR elements	12 elements in 11 groups
Length (mm)	64.7	69
Focal Length (mm)	15.00	14.00
Diaphragm Blades Type	rounded	-
Brand	Laowa	Pentax
Image Circle	35mm	APS-C
Name	Laowa 15mm f/4 1:1 Macro	Pentax SMC P-DA 14mm f/2.8 ED IF
Weight (g)	410	420
Type	Wide Macro Prime	Wide Prime
Notes	Up to +/- 6mm shift is possible (APS-C sensors only); Petal-shaped lens hood included; Available mounts: Canon EF, Nikon F, Pentax K, Sony A, Sony E	Included Accessories: Lens Hood
APS Equivalent	1.5x: 22.5mm; 1.6x: 24mm	21mm
Aperture (f)	4.00 - 32.00	2.80 - 22.00
Diaphragm Blades	14	6
Diagonal Angle of View (degree)	110.00	90.00
Diameter (mm)	83.8	83.5