Comparison of Panasonic 70-200mm f/2.8 OIS Lumix S Pro (S-E70200) and Sigma 50-150mm ƒ/2.8 EX DC OS HSM APO

Attribute	Panasonic 70-200mm f/2.8 OIS Lumix S Pro (S-E70200) ×	Sigma 50-150mm ƒ/2.8 EX DC OS HSM APO ×
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Filter Size (mm)	82	77
Notes	O.I.S. Image Stabilization (Dual I.S. 2 compatible); Dust/splash-resistant	Image Stabilized (up to 4 stops correction); Planned AF Mounts: Canon, Nikon, Pentax, Sigma, Sony; Included Accessories: Lens Hood, Case
Closest Focus (m)	0.95	0.8
Magnification Ratio (x)	0.21	0.16
Zoom System	Rotary	Rotary
Type	Telephoto Zoom	Telephoto Zoom
APS Equivalent	105 - 300mm	1.5x: 75 - 225mm; 1.6x: 80 - 240mm
Diaphragm Blades	11	9
Image Circle	35mm (L-Mount)	APS-C
Focal Length (mm)	70.00 - 200.00	50.00 - 150.00
Brand	Panasonic	Sigma
Name	Panasonic 70-200mm f/2.8 OIS Lumix S Pro (S-E70200)	Sigma 50-150mm ƒ/2.8 EX DC OS HSM APO
Weight (g)	1.57	1.34
Diaphragm Blades Type	circular	rounded
Lens Construction	22 elements in 17 groups, including 1 aspherical, 2 UED, and 3 ED elements; Fluorine coating on front element	21 elements in 15 groups, including 6 SLD elements
Diagonal Angle of View (degree)	12.00 - 34.00	9.50 - 27.90
Length (mm)	208.6	197.6
Diameter (mm)	94.4	86.4
Focus Details	Internal AF double focus system; AF/MF clutch mechanism	HSM (Hyper Sonic Motor) with full-time manual focus override