PANASONIC LUMIX G VARIO LENS, 45-200MM, F4.0-5.6 ASPH., MIRRORLESS MICRO FOUR THIRDS, MEGA OPTICAL I.S., H-FS045200 (USA BLACK) Micro Four Thirds lens mount system produces professional level images while greatly reducing the overall size compared to traditional DSLR lenses Macro Focus Range :1.00 m, Focal Length : 45-200 mm Built-in Optical Image Stabilization reduces blurry pictures due to hand movement that is especially useful at longer focal lengths Maximum f/stop opening of 4.0 (at 45mm wide) to a minimum of f22 with a filter size of only 52mm, Refer user manual below 16 elements in 13 groups utilizing 7 circular aperture diaphragm blades with a total weight of only 13.4 ounces Standard accessories include front and rear lens caps, lens hood and lens storage bag