Lens Construction:6 elements in 4 groupsCompatible for Adapter Ring:Panasonic Lumix H-PS14042 LensMagnification:2.0xFocal Length:H-PS14042: f=84mm (35mm camera equivalent 168mm)Maximum Image Magnification:H-PS14042: x 0.05Diagonal Angle of View:H-PS14042: 14Deg.(T)Closest Focusing Distance:H-PS14042: 1.4m / 4.6ftLongest Focusing Distance:H-PS14042: InfinityMax. Diameter:53.5mm / 2.1''Overall Length:47.4mm / 1.9'' (from the tip of the lens to the base side of the lens mount)Weight:81 g / 2.9 oz (excluding lens cap and lens rear cap)・Enables capturing distant subject up close・Extends the focal length of tele-end from 42mm to 84mm by just attaching it to the front of the lens・Compact lightweight design featuring high mobility・Included Adaptor Ring for the use on H-PS14042・Helpful in shooting from travel to street snapshotsThe Panasonic DMW-GTC1 Tele Conversion Lens increases the focal length of the LUMIX G X VARIO PZ 14-42 mm/F3.5-5.6 ASPH/POWER O.I.S.(H-PS14042) by 2X. This extends the focal length of the tele-end from 42 mm to 84 mm (35 mm camera equivalent: 84 mm to 168 mm) by just attaching it to the front of the lens. Combined with a LUMIX G Micro System camera and lens it creates a highly compact and user-friendly interchangeable lens camera system which will further extend your creative choices.