mounting: Olympus 4/3
focal length: 20
construction: 7 elements in 5 groups
angle of view: 57
max. aperture: 16.000
min. aperture: 1.700
number of diaphragm blades: 7.000
min. focus distance: 0.200
filter size: 46.000
weight: 87.000
mounting: Olympus 4/3
focal length: 25
construction: 8 elements in 7 groups
angle of view: 47
max. aperture: 22.000
min. aperture: 1.700
number of diaphragm blades: 7.000
min. focus distance: 0.250
filter size: 46.000
weight: 125.000