Comparison of Panasonic 70-200mm f/2.8 OIS Lumix S Pro (S-E70200) and Sigma 500mm f/4 DG OS HSM Sports

Attribute	Sigma 500mm f/4 DG OS HSM Sports ×	Panasonic 70-200mm f/2.8 OIS Lumix S Pro (S-E70200) ×
Notes	Image Stabilized; Available AF Mounts: Canon EF, Nikon F, Sigma SA.	O.I.S. Image Stabilization (Dual I.S. 2 compatible); Dust/splash-resistant
Magnification Ratio (x)	0.15	0.21
Filter Size (mm)	46	82
Length (mm)	381	208.6
Closest Focus (m)	3.5	0.95
Diagonal Angle of View (degree)	5.00	12.00 - 34.00
Focus Details	Internal; HSM with full-time manual override	Internal AF double focus system; AF/MF clutch mechanism
Focal Length (mm)	500.00	70.00 - 200.00
APS Equivalent	1.5x: 750mm; 1.6x: 800mm	105 - 300mm
Brand	Sigma	Panasonic
Image Circle	35mm	35mm (L-Mount)
Name	Sigma 500mm f/4 DG OS HSM Sports	Panasonic 70-200mm f/2.8 OIS Lumix S Pro (S-E70200)
Weight (g)	-	1.57
Type	Telephoto Prime	Telephoto Zoom
Aperture (f)	4.00 - 32.00	2.80 - 22.00
Diaphragm Blades	9	11
Diaphragm Blades Type	rounded	circular
Lens Construction	16 elements in 11 groups, including 1 SLD and two FLD elements	22 elements in 17 groups, including 1 aspherical, 2 UED, and 3 ED elements; Fluorine coating on front element
Zoom System	-	Rotary
Diameter (mm)	145	94.4