Comparison of Pentax 18-55mm f/3.5-5.6AL SMC DA WR and Sony SAL-1870 DT 18-70mm f/3.5-5.6

Attribute	Sony SAL-1870 DT 18-70mm f/3.5-5.6 ×	Pentax 18-55mm f/3.5-5.6AL SMC DA WR ×
Aperture (f)	3.50 - 36.00	3.50 - 38.00
Filter Size (mm)	55	52
Notes	Included Accessories: SH0006 Lens Hood	Included Accessories: Lens Hood
Closest Focus (m)	0.38	0.25
Magnification Ratio (x)	0.25	0.34
Diameter (mm)	66	68.5
Type	Standard Zoom	Standard Zoom
APS Equivalent	27 - 105mm	27 - 82.5mm
Diaphragm Blades	7	6
Image Circle	APS-C	APS-C
Focal Length (mm)	18.00 - 70.00	18.00 - 55.00
Brand	Sony	Pentax
Name	Sony SAL-1870 DT 18-70mm f/3.5-5.6	Pentax 18-55mm f/3.5-5.6AL SMC DA WR
Weight (g)	235	230
Diagonal Angle of View (degree)	23.00 - 76.00	29.00 - 76.00
Lens Construction	11 elements in 9 groups, including 1 aspheric and 1 ED glass elements	11 elements in 8 groups, including 1 aspherical and 1 super-low dispersion element
Zoom System	Rotary	Rotary
Length (mm)	77	67.5
Front Element Rotation	-	-
Focus Details	Front focusing	Internal with "Quick Shift" AF/MF mechanism