Comparison of Canon EF-S 55-250mm ƒ/4-5.6 IS STM and Sigma 55-200mm f/4.5-5.6 DC

Attribute	Canon EF-S 55-250mm ƒ/4-5.6 IS STM ×	Sigma 55-200mm f/4.5-5.6 DC ×
Filter Size (mm)	58	55
Notes	Image Stabilization with up to 3.5 f-stops of correction; EF-S lens mount, exclusively for bodies with APS-C sensors.	Available AF Mounts: Canon, Nikon, Pentax, Sigma, Sony, Four-Thirds; HSM version available for Nikon mount
Closest Focus (m)	0.85	1.1
Magnification Ratio (x)	0.29	0.22
Diameter (mm)	70	71.5
Type	Telephoto Zoom	Telephoto Zoom
APS Equivalent	88 - 400mm	1.5x: 82.5 - 300mm; 1.6x: 88 - 320mm
Diagonal Angle of View (degree)	6.30 - 27.80	7.10 - 25.50
Image Circle	APS-C	Image Circle
Focal Length (mm)	55.00 - 250.00	55.00 - 200.00
Brand	Canon	Sigma
Name	Canon EF-S 55-250mm ƒ/4-5.6 IS STM	Sigma 55-200mm f/4.5-5.6 DC
Weight (g)	375	310
Aperture (f)	4.00 - 32.00	4.50 - 22.00
Diaphragm Blades	7	8
Diaphragm Blades Type	circular	-
Lens Construction	15 elements in 12 groups, with 1 UD element	12 elements in 9 groups
Zoom System	Rotary	Rotary
Length (mm)	111.2	87.1
Front Element Rotation	-	-
Focus Details	Rear focusing with Stepping Motor (STM); Full-time manual focus available	Internal; HSM version available for Nikon mount