Comparison of Pentax 18-55mm f/3.5-5.6AL SMC DA WR and Pentax SMC P-DA 18-55mm f/3.5-5.6

Attribute	Pentax 18-55mm f/3.5-5.6AL SMC DA WR ×	Pentax SMC P-DA 18-55mm f/3.5-5.6 ×
Filter Size (mm)	52	52
Notes	Included Accessories: Lens Hood	Included Accessories: Lens Hood
Closest Focus (m)	0.25	0.25
Magnification Ratio (x)	0.34	0.33
Type	Standard Zoom	Standard Zoom
Length (mm)	67.5	67.5
APS Equivalent	27 - 82.5mm	27 - 82.5mm
Zoom System	Rotary	Rotary
Image Circle	APS-C	APS-C
Focal Length (mm)	18.00 - 55.00	18.00 - 55.00
Brand	Pentax	Pentax
Name	Pentax 18-55mm f/3.5-5.6AL SMC DA WR	Pentax SMC P-DA 18-55mm f/3.5-5.6
Weight (g)	230	225
Aperture (f)	3.50 - 38.00	3.50 - 40.00
Diaphragm Blades	6	6
Diagonal Angle of View (degree)	29.00 - 76.00	29.00 - 76.00
Lens Construction	11 elements in 8 groups, including 1 aspherical and 1 super-low dispersion element	12 elements in 9 groups
Diameter (mm)	68.5	68
Focus Details	Internal with "Quick Shift" AF/MF mechanism	Internal with "Quick Shift" AF/MF mechanism