Comparison of Panasonic 24-70mm f/2.8 Lumix S Pro (S-E2470) and Sigma 24-70mm f/2.8 DG DN Art

Attribute	Panasonic 24-70mm f/2.8 Lumix S Pro (S-E2470) ×	Sigma 24-70mm f/2.8 DG DN Art ×
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Filter Size (mm)	82	82
Notes	Splash- and dust-resistant. Included Accessories: front and rear lens caps, lens hood, storage bag.	Available AF Mounts: L-Mount, E-Mount; Mount with dust- and splash-proof design
Closest Focus (m)	0.37	0.18
Magnification Ratio (x)	0.25	0.34
Zoom System	Rotary (with lock switch)	Rotary (with zoom lock)
Type	Standard Zoom	Standard Zoom
APS Equivalent	36 - 105mm	36 - 105mm
Diaphragm Blades	11	11
Image Circle	35mm (L-Mount)	35mm
Focal Length (mm)	24.00 - 70.00	24.00 - 70.00
Brand	Panasonic	Sigma
Name	Panasonic 24-70mm f/2.8 Lumix S Pro (S-E2470)	Sigma 24-70mm f/2.8 DG DN Art
Weight (g)	935	835
Diaphragm Blades Type	circular	rounded
Lens Construction	18 elements in 16 groups, including 3 aspherical, 1 UHR (Ultra-High Refractive Index) and 4 ED elements; Fluorine coating on front element.	19 elements in 15 groups, including 6 FLD, 2 SLD and 3 aspherical elements; Super Multi-Layer Coating, Nano Porous Coating.
Diagonal Angle of View (degree)	34.00 - 84.00	34.30 - 84.10
Length (mm)	140	122.9
Diameter (mm)	90.9	87.8
Focus Details	Internal High-speed AF combining linear and stepping motors; MF Focus Clutch	Internal focus with stepping motor; AF/MF switch; AFL button