Comparison of M.Zuiko Digital ED 12-45mm F4.0 PRO and Panasonic LUMIX S 20-60mm F3.5-5.6 (S-R2060)

Attribute	Panasonic LUMIX S 20-60mm F3.5-5.6 (S-R2060) ×	M.Zuiko Digital ED 12-45mm F4.0 PRO ×
Notes	Dust/splash-resistant; Included Accessories: front and rear lens caps, lens hood, storage bag.	Dustproof and splashproof construction (IPX1 rating)
Aperture (f)	3.50 - 22.00	4.00 - 22.00
Magnification Ratio (x)	0.43	0.25
Filter Size (mm)	67	58
35mm Equivalent	-	24 - 90mm
Type	Standard Zoom	Standard Zoom
Diaphragm Blades	9	7
Zoom System	Rotary	Rotary
Image Circle	35mm (L-Mount)	Micro Four-Thirds
Focal Length (mm)	20.00 - 60.00	12.00 - 45.00
Brand	Panasonic	Olympus
Name	Panasonic LUMIX S 20-60mm F3.5-5.6 (S-R2060)	M.Zuiko Digital ED 12-45mm F4.0 PRO
Weight (g)	350	254
Diaphragm Blades Type	circular	rounded
Lens Construction	11 elements in 9 groups (2 aspherical lenses, 3 ED lenses, 1 UHR lens); Fluorine coating on front element.	12 elements in 9 groups, including 2 HR lenses, 1 DSA lens, 1 Super HR lens, 2 Aspherical lenses, 2 ED elements
Diagonal Angle of View (degree)	40.00 - 94.00	27.00 - 84.00
Focus Details	Internal AF with linear motor; AF/MF switch	High-speed Imager AF (MSC)
Diameter (mm)	77.4	63.4
Length (mm)	87.2	70
APS Equivalent	30 - 90mm	-
Closest Focus (m)	0.15	0.12