Comparison of Sigma 135mm ƒ/1.8 DG HSM Art and Sigma 150mm ƒ/2.8 EX DG OS HSM APO Macro

Attribute	Sigma 135mm ƒ/1.8 DG HSM Art ×	Sigma 150mm ƒ/2.8 EX DG OS HSM APO Macro ×
Filter Size (mm)	82	72
Notes	Available AF Mounts: Sigma SA, Canon EF, L-Mount, Nikon F, Sony E; Dust- and splash-proof construction; Compatible with Mount Converter MC-11	Image Stabilized (up to 4 stops). Available AF Mounts: Sigma, Canon, Nikon, Pentax, Sony/Minolta. Included Accessories: Case, Bayonet type Hood (LH78
Closest Focus (m)	0.88	0.38
Magnification Ratio (x)	0.2	1
Type	Telephoto Prime	Telephoto Prime (Macro)
Length (mm)	114.9	150
APS Equivalent	1.5x: 202.5mm; 1.6x: 216mm	1.5x: 225mm; 1.6x: 240mm
Diagonal Angle of View (degree)	18.20	16.40
Image Circle	35mm	35mm
Focal Length (mm)	135.00	150.00
Brand	Sigma	Sigma
Name	Sigma 135mm ƒ/1.8 DG HSM Art	Sigma 150mm ƒ/2.8 EX DG OS HSM APO Macro
Weight (g)	1130	1180
Aperture (f)	1.80 - 16.00	2.80 - 22.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	rounded
Lens Construction	13 elements in 10 groups	19 elements in 13 groups, including 3 SLD elements
Diameter (mm)	91.4	79.6
Focus Details	Internal with HSM (Hypersonic Motor) with limiter and full-time manual override	Internal; HSM with full-time manual focus override