Comparison of Panasonic 70-200mm f/2.8 OIS Lumix S Pro (S-E70200) and Sigma 85mm ƒ/1.4 DG HSM Art

Attribute	Panasonic 70-200mm f/2.8 OIS Lumix S Pro (S-E70200) ×	Sigma 85mm ƒ/1.4 DG HSM Art ×
Notes	O.I.S. Image Stabilization (Dual I.S. 2 compatible); Dust/splash-resistant	Available AF Mounts: Canon EF, L-Mount, Nikon F, Sony E and Sigma SA.
Magnification Ratio (x)	0.21	0.12
Filter Size (mm)	82	86
Length (mm)	208.6	126.2
Closest Focus (m)	0.95	0.85
Diagonal Angle of View (degree)	12.00 - 34.00	28.60
Focus Details	Internal AF double focus system; AF/MF clutch mechanism	HSM (Hyper Sonic Motor) with A/M Switch
Focal Length (mm)	70.00 - 200.00	85.00
APS Equivalent	105 - 300mm	1.5x: 128mm; 1.6x: 136mm
Brand	Panasonic	Sigma
Image Circle	35mm (L-Mount)	35mm
Name	Panasonic 70-200mm f/2.8 OIS Lumix S Pro (S-E70200)	Sigma 85mm ƒ/1.4 DG HSM Art
Weight (g)	1.57	1.135
Type	Telephoto Zoom	Telephoto Prime
Aperture (f)	2.80 - 22.00	1.40 - 16.00
Diaphragm Blades	11	9
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	14 elements in 12 groups, including 2 SLD (special low dispersion) glass elements and 1 element with a high rate of anomalous partial dispersion and
Zoom System	Rotary	-
Diameter (mm)	94.4	94.7