Nikon 55-200mm f4-5.6G ED AF-S DX Lens

AF-S Autofocus lens featuring a Silent wave, coreless, integrated, focus motor (unwrapped in 1996). Basically an updated AF-I Autofocus-Silent sporting a "Silent Wave Motor" (ultrasonic) to focus near silently and fast.

DX - NIKKOR - Compact and lightweight Nikon DX lenses feature a lesser image circle and are specifically created and optimized for the Nikon D-series, digital SLR camera bodies. An ideal option for photographers and enthusiasts who require shooting of expansive landscapes with Nikon DX DSLR

Two ED- (Extra-low Dispersion Glass Elements)
a necessary element of the Nikon telephoto lens Nikon engineered Extra-low Dispersion optical glass to facilitate the manufacture of lenses that provide superior color correction and sharpness by diminishing chromatic aberrations

G - labeled after the f-number. All the newer AF lenses, including AF-S and specifically G, are also D. Nikon no longer makes an effort to mark the D. G-lenses contains no aperture ring, therefore aperture may only be electronically controlled by the camera and only autofocus camera bodies featuring function dials have the capacity to control G lenses

RD- Rounded 9 Blade Diaphragm
Soft-focus images of point light resources create accepted polygonal shapes that mirror the form of the cavity produced by the diaphragm blades.

SIC - Nikon Super Integrated Coating
Nikon uses an elite multilayer lens coating to augment the operation of its lens elements which also helps diminish ghosting and flare to minute levels. Nikon Super Integrated Coat also accomplishes several purposes,

SWM- Silent Wave Motor
Nikon AF-S engineering is yet one more rationale why professional photographers like Nikon telephoto optical lenses.

• LC-52 Snap-on Front Lens Cap
• LF-1 Rear Lens Cap
• HB-34 Lens Hood
• CL-0815 Soft Lens Case