Comparison of Canon EF-S 55-250mm f/4-5.6 IS and Canon EF-S 55-250mm ƒ/4-5.6 IS STM

Attribute	Canon EF-S 55-250mm f/4-5.6 IS ×	Canon EF-S 55-250mm ƒ/4-5.6 IS STM ×
Aperture (f)	4.00 - 32.00	4.00 - 32.00
Filter Size (mm)	58	58
Notes	Image Stabilization	Image Stabilization with up to 3.5 f-stops of correction; EF-S lens mount, exclusively for bodies with APS-C sensors.
Closest Focus (m)	1.1	0.85
Magnification Ratio (x)	0.34	0.29
Diameter (mm)	70	70
Type	Telephoto Zoom	Telephoto Zoom
APS Equivalent	88 - 400mm	88 - 400mm
Diaphragm Blades	7	7
Image Circle	APS-C	APS-C
Focal Length (mm)	55.00 - 250.00	55.00 - 250.00
Brand	Canon	Canon
Name	Canon EF-S 55-250mm f/4-5.6 IS	Canon EF-S 55-250mm ƒ/4-5.6 IS STM
Weight (g)	390	375
Diagonal Angle of View (degree)	6.30 - 27.80	6.30 - 27.80
Lens Construction	12 elements in 10 groups, including 1 UD element	15 elements in 12 groups, with 1 UD element
Zoom System	Rotary	Rotary
Length (mm)	108	111.2
Diaphragm Blades Type	-	circular
Focus Details	AF (DC motor), with manual focus option	Rear focusing with Stepping Motor (STM); Full-time manual focus available