Comparison of Pentax SMC P-FA J 18-35mm f/4-5.6 AL and Sony E 10-18mm f/4 ED OSS SEL1018

Attribute	Pentax SMC P-FA J 18-35mm f/4-5.6 AL ×	Sony E 10-18mm f/4 ED OSS SEL1018 ×
Aperture (f)	4.00 - 32.00	4.00 - 22.00
Filter Size (mm)	67	62
Notes	Distance scale, petal-shaped lens hood	For Sony E-Mount. Optical Image Stabilization (4 stops).
Closest Focus (m)	0.28	0.25
Magnification Ratio (x)	0.18	0.1
Diameter (mm)	67.5	70
Type	Wide Zoom	Wide Zoom
APS Equivalent	27 - 52.5mm	15 - 27mm
Diaphragm Blades	6	7
Image Circle	35mm	Image Circle
Focal Length (mm)	18.00 - 35.00	10.00 - 18.00
Brand	Pentax	Sony
Name	Pentax SMC P-FA J 18-35mm f/4-5.6 AL	Sony E 10-18mm f/4 ED OSS SEL1018
Weight (g)	190	225
Diagonal Angle of View (degree)	63.00 - 100.00	76.00 - 109.00
Lens Construction	12 elements in 10 groups	10 elements in 8 groups, including 3 aspherical elements and Super Extra-low Dispersion glass
Zoom System	Rotary	Rotary
Length (mm)	71	63.5
Diaphragm Blades Type	-	rounded
Focus Details	Dedicated AF/MF	Internal (rear)