Panasonic Lumix DMC-GF5X Basic Operating Instructions Manual page 50

Interchangeable Lens (H-FS014042)
"LUMIX G VARIO 14 –42 mm/F3.5 –5.6 ASPH./MEGA O.I.S."
Focal length
Aperture type
Aperture range
Minimum aperture value F22
Lens construction
In focus distance
Maximum image
magnification
Optical Image
Stabiliser
[O.I.S.] switch
Mount
Angle of view
Filter diameter
Max. diameter
Overall length
Mass
50
VQT4F91 (ENG)
f=14 mm to 42 mm
(35 mm film camera equivalent: 28 mm to 84 mm)
7 diaphragm blades/circular aperture diaphragm
F3.5 (Wide) to F5.6 (Tele)
12 elements in 9 groups (1 aspherical lens)
0.3 m (0.99 feet) to ¶ (from the focus distance reference line)
0.16k (35 mm film camera equivalent: 0.32k)
Available
None (Setting of the [Stabilizer] is done in [Rec] menu.)
"Micro Four Thirds Mount"
75x (Wide) to 29x (Tele)
52 mm (2.05 inch)
Approx. 60.6 mm (2.39 inch)
Approx. 63.6 mm (2.50 inch)
(from the tip of the lens to the base side of the lens mount)
Approx. 165 g/0.36 lb