Comparison of Olympus 17mm ƒ/1.8 M.Zuiko Digital and Panasonic 15mm f/1.7 ASPH Leica DG SUMMILUX

Attribute	Panasonic 15mm f/1.7 ASPH Leica DG SUMMILUX ×	Olympus 17mm ƒ/1.8 M.Zuiko Digital ×
Aperture (f)	1.70 - 16.00	1.80 - 22.00
Diaphragm Blades Type	rounded	circular
Filter Size (mm)	46	46
Notes	Manual Aperture Ring; Nano Surface Coating; Available in Black or Silver; Included Accessories: Front and Rear Lens Caps, Hood, Pouch.	Includes front and rear plastic lens caps, instruction manual. Optional LH-48B metal lens hood, LC-48B metal lens cap available.
Type	Wide Prime	Wide Prime
Magnification Ratio (x)	0.1	0.08
Diaphragm Blades	7	7
35mm Equivalent	30mm	34mm
Image Circle	Micro Four-Thirds	Image Circle
Focal Length (mm)	15.00	17.00
Brand	Panasonic	Olympus
Name	Panasonic 15mm f/1.7 ASPH Leica DG SUMMILUX	Olympus 17mm ƒ/1.8 M.Zuiko Digital
Weight (g)	115	120
Diagonal Angle of View (degree)	72.00	65.00
Lens Construction	9 elements in 7 groups, including 3 aspherical lenses	9 elements in 6 groups, including 1 high refractive and 3 aspherical elements (with a Dual Super aspherical element)
Diameter (mm)	58	57.5
Length (mm)	36	35.5
Focus Details	High-speed AF; Internal with stepping motor; AF/MF switch	-
Closest Focus (m)	0.2	0.25