Comparison of Sigma 180mm ƒ/2.8 EX DG OS HSM APO Macro and Sigma 50-150mm ƒ/2.8 EX DC OS HSM APO

Attribute	Sigma 180mm ƒ/2.8 EX DG OS HSM APO Macro ×	Sigma 50-150mm ƒ/2.8 EX DC OS HSM APO ×
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Filter Size (mm)	86	77
Notes	Optical Stabilizer (OS) technology offers shutter speeds approximately four stops slower than would otherwise be possible. AF mounts: Canon, Nikon, S	Image Stabilized (up to 4 stops correction); Planned AF Mounts: Canon, Nikon, Pentax, Sigma, Sony; Included Accessories: Lens Hood, Case
Closest Focus (m)	0.47	0.8
Magnification Ratio (x)	1	0.16
Diameter (mm)	95	86.4
Type	Telephoto Prime Macro	Telephoto Zoom
APS Equivalent	1.5x: 270mm; 1.6x: 288mm	1.5x: 75 - 225mm; 1.6x: 80 - 240mm
Diaphragm Blades	9	9
Image Circle	35mm	APS-C
Focal Length (mm)	180.00	50.00 - 150.00
Brand	Sigma	Sigma
Name	Sigma 180mm ƒ/2.8 EX DG OS HSM APO Macro	Sigma 50-150mm ƒ/2.8 EX DC OS HSM APO
Weight (g)	1.64	1.34
Diaphragm Blades Type	rounded	rounded
Lens Construction	19 elements in 14 groups, including 3 FLD ("F" Low Dispersion) glass elements	21 elements in 15 groups, including 6 SLD elements
Diagonal Angle of View (degree)	13.70	9.50 - 27.90
Length (mm)	203.9	197.6
Zoom System	-	Rotary
Focus Details	Internal with focus limiter; HSM with full-time manual focus override	HSM (Hyper Sonic Motor) with full-time manual focus override