The Samyang 35mm f/1.4 AS UMC is a fast, wide angle, manual focus prime lens for full frame cameras, or a fast standard prime when used on DX sensors. This Nikon AE version of the Samyang 35mm features an electronic circuit which allows for full control of exposure parameters accessible from the Nikon camera, including i-TTL flash communication and EXIF data with all Nikon Digital SLR cameras.Producing excellent resolution and sharpness throughout the image equal or exceeding lenses 3 times as expensive, the Samyang 35mm lens is truly a professional class lens at a affordable price.On a full frame Nikon FX DSLRs the 35mm focal length has universal applications with the fast f1.4 aperture, including journalism, portraiture and low light photography. With its high resolution, it is also popular for landscape photography. When mounted on a Nikon camera with DX sensor, will become a popular, multitasking prime lens of around a standard 50mm.The wide apertures of the Samyang 35mm provide beautiful bokeh, (the character of out-of-focus areas) which is perfect for portrait type applications, or photography where ultra smooth out of focus backgrounds or foregrounds is desired. This technique helps to separate the subject from the background giving very pleasing and professional results, particularly in portrait or photojournalism photography. Aided by its 8 aperture bladed design, the smoothness of the bokeh provided by the Samyang 35mm is excellent. Although bokeh character is a personal preference various independent tests and users rate the Samyang 35mm lens as one of the best lenses regardless of cost or manufacturer when it comes to its bokeh character.The optical design of the Samyang 35 mm f1.4 UMC lens is twelve elements arranged in ten groups and includes two elements with high refractive index, which helps reduces its weight and dimensions to a moderate level for a full frame capable lens. The inclusion of an aspherical optical element minimizes helps reduce lateral chromatic aberration, UMC multi-layer coatings provides high contrast and faithful colour reproduction. The design incorporates floating lens elements allowing to preserve high image quality with minimum focusing distance.