The Nikon AF-S 20mm F1.8G ED is an ultra wide-angle lens that is compatible with both full frame FX and DX crop sensor cameras. The fast f/1.8 maximum aperture allows a shallow depth of field for selective focus use, as well as shooting in low-light situations.The low-light capabilities and shallow depth of field of an f/1.8 maximum aperture and the superb optical characteristics of this prime lens is perfect for capturing expansive landscapes and architecture, wedding parties, an entire band on stage, crowd shots and much more. Videographers will love using their Nikon D-SLR and this compact, lightweight lens for establishing shots, first-person point-of-view sequences and B-Roll footage. Nikon Silent Wave Motor (SWM) enables fast, accurate and quiet autofocus. Extra-low Dispersion (ED) element offers superior sharpness and color correction by effectively minimizing chromatic aberration. Two aspherical lens elements virtually eliminate coma and other types of aberration, even when shooting at the widest available aperture. M/A focus mode switch enables quick changes between manual and autofocus operation. Rear Focus (RF) provides smooth and fast autofocus while eliminating front barrel rotation and lens length changes. Nano Crystal Coat effectively reduces ghost and flare. Nikon Super Integrated Coating (SIC) enhances light transmission efficiency and offers superior color consistency and reduced flare. Read More