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Lenses comparison

Manufacturer SamsungOlympusPanasonicPentax
Model NX 30 mm f/2.0M.Zuiko Digital 17 mm f/2.8G 20 mm f/1.7 ASPH.smc DA 40 mm f/2.8 Limited
Lenst style Wide angle Wide angle Wide angle Telephoto
Focal length 30 mm 17 mm 20 mm 40 mm
Maximum aperture f/2 f/2.8 f/1.7 f/2.8
Angle of view 50.2 o 65 o 57 o 39 o
Closest focusing distance 0.25 m 0.2 m 0.2 m 0.4 m
Maximum magnification 1:6.25 1:9 1:7.5 1:7.69
Minimum aperture 22 22 16 22
Diaphragm blades 7 5 7 9
Auto focus type AF AF AF AF
Lens Construction 5 elements / 5 group 6 elements / 4 group 7 elements / 5 group 5 elements / 4 group
Filter diameter 43 mm 37 mm 46 mm 49 mm
Macro Yes/No Yes No No No
Stabilization No No No No
Available mounts Samsung NX Micro Four Thirds Micro Four Thirds Pentax K
Dimensions 61.5 x 21.5 mm 57 x 22 mm 63 x 25.5 mm 63 x 15 mm
Weight 85 g 71 g 100 g 90 g
Additional information 1 aspherical element
anounced Jan 2010
one aspherical lens 2 aspherical elements
Score [max 5.00]
4.52 (7)
3.89 (3)
4.48 (7)
4.92 (4)
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