Comparison of Canon EF-S 18-135mm ƒ/3.5-5.6 IS and Canon EF-S 18-200mm f/3.5-5.6 IS

Attribute	Canon EF-S 18-200mm f/3.5-5.6 IS ×	Canon EF-S 18-135mm ƒ/3.5-5.6 IS ×
Aperture (f)	3.50 - 22.00	3.50 - 38.00
Filter Size (mm)	72	67
Notes	Image Stabilization; EF-S lens mount, exclusively for bodies with APS-C sensors.	EF-S lens mount, exclusively for bodies with APS-C sensors. Image Stabilization up to 4-stops. Optional lens hood.
Closest Focus (m)	0.45	0.45
Magnification Ratio (x)	0.24	0.21
Zoom System	Rotary	Rotary
Type	Standard Zoom	Standard Zoom
APS Equivalent	29 - 320mm	29 - 216mm
Diaphragm Blades	6	6
Image Circle	Image Circle	APS-C
Focal Length (mm)	18.00 - 200.00	18.00 - 135.00
Brand	Canon	Canon
Name	Canon EF-S 18-200mm f/3.5-5.6 IS	Canon EF-S 18-135mm ƒ/3.5-5.6 IS
Weight (g)	595	455
Diaphragm Blades Type	rounded	rounded
Lens Construction	16 elements in 12 groups, including 2 UD and 2 aspherical elements	16 elements in 12 groups, including UD and aspherical elements
Diagonal Angle of View (degree)	7.80 - 74.30	11.50 - 74.30
Length (mm)	162.5	101
Diameter (mm)	78.6	75
Focus Details	Gear-driven by DC monitor; AF/MF switch	Inner focusing; AF/MF switch with micro DC motor