Lenses comparison


Manufacturer	Panasonic	Panasonic	Sigma	Tamron
Model	Leica DG Vario-Summilux 10-25 mm f/1.7 ASPH	Leica DG Vario-Elmarit 8-18 mm f/2.8-4 ASPH.	20-40 mm f/2.8 EX DG Aspherical	SP AF 20-40 mm f/2.7-3.5 Aspherical (IF)
Lenst style	Wide angle zoom	Wide angle zoom	Wide angle zoom	Wide angle zoom
Focal length	10 - 25 mm	8 - 18 mm	20 - 40 mm	20 - 40 mm
Maximum aperture	f/1.7	f/2.8 - 4	f/2.8	f/2.7 - 3.5
Angle of view	95 - 47 ^o	107 - 62 ^o	94.5 - 56.8 ^o	95 - 57 ^o
Closest focusing distance	0.28 m	0.23 m	0.3 m	0.5 m
Maximum magnification	0.14	0.12x	1:4.6
Minimum aperture	16	22	32	22
Diaphragm blades	9	7	9	6
Auto focus type	AF	AF / MF	AF	AF
Lens Construction	17 elements / 12 group	15 elements / 10 group	17 elements / 13 group	15 elements / 12 group
Filter diameter	77 mm	67 mm	82 mm	77 mm
Macro Yes/No	No	No	No	No
Stabilization	No	No	No	No
Available mounts	Micro Four Thirds	Micro Four Thirds	Canon EF Nikon F Sony A / Minolta Sigma Pentax K	Canon EF Nikon F
Dimensions	128 x 88 mm	73.4 x 88 mm	89 x 107.5 mm	81 x 81.5 mm
Weight	690 g	315 g	595 g	525 g
Additional information	1 UHR, 3 aspherical, 4 ED elements	Announced: 19.04.2017 1 aspherical ED element. 3 aspherical elements, 2 ED elements, 1 UHR element
Score [max 5.00]	No score	4.17 (4)	4.33 (1)	4.22 (3)
Our Review	Review	Review