Comparison of Tamron SP AF 11-18mm f/4.5-5.6 Di II LD Aspherical IF and Tamron AF 19-35mm f/3.5-4.5

Attribute	Tamron SP AF 11-18mm f/4.5-5.6 Di II LD Aspherical IF ×	Tamron AF 19-35mm f/3.5-4.5 ×
Filter Size (mm)	77	77
Notes	Available mounts: Canon, Minolta, Nikon; Includes petal type lens hood.	Available AF Mounts: Canon, Minolta, Nikon
Closest Focus (m)	0.25	0.5
Magnification Ratio (x)	0.13	0.08
Type	Wide Zoom	Wide Zoom
Length (mm)	78.6	67.7
APS Equivalent	1.5x: 16.5 - 27mm; 1.6x: 17.6 - 28.8mm	1.5x: 28.5 - 52.5mm; 1.6x: 30.4 - 56mm
Zoom System	Rotary, telescoping	Rotary
Image Circle	Image Circle	35mm
Focal Length (mm)	11.00 - 18.00	19.00 - 35.00
Brand	Tamron	Tamron
Name	Tamron SP AF 11-18mm f/4.5-5.6 Di II LD Aspherical IF	Tamron AF 19-35mm f/3.5-4.5
Weight (g)	355	317
Aperture (f)	4.50 - 29.00	3.50 - 22.00
Diaphragm Blades	7	8
Diagonal Angle of View (degree)	75.00 - 103.00	63.00 - 97.00
Lens Construction	15 elements in 12 groups, including aspherical and low dispersion elements	13 elements in 11 groups
Diameter (mm)	82.2	83.2
Focus Details	Internal	Internal