Nikon f/3.5 EX DC impresses with its technical superiority. This optical system is of interest to many professionals. Nikon f/3.5 EX DC HSM from Sigma with flexible ultra wide range is a versatile zoom lens. New model is ideal for landscape, architecture and interior photography. This is confirmed by many experts and dozens of our customers. Experienced photographers generally prefer this lens because of the following: The wide-angle zoom lens, which is designed for Nikon F-mount DX-format cameras, offers an equivalent focal length range of 15-30mm The minimum focusing distance is 9.4 inches The fixed maximum aperture of f/3.5 is suitable for a variety of conditions Compatible with 82 mm filters The manufacturer preferred a bayonet-type hood made of plastic and with the possibility of fixing in transport mode The minimum focusing distance is 24 cm throughout the zoom range, and the maximum magnification is 1: 6.6. An internal focusing system eliminates the rotation of the front lens, making the system adapt to the tulip hood. Such an element blocks unnecessary light and reduces internal reflections. A super multi-layer coating manufacturer has applied to suppress flare. The same goes to ghosting for enhanced contrast and color fidelity. Built-in Hyper Sonic Motor provides fast and quiet autofocusing. But you can also switch to full-time manual focus. The engineers have taken great care to provide the photographer with maximum flexibility. The manufacturer built this system based on 13 elements in 10 groups. The optical design of the lens includes low dispersion elements. This means that each frame will be as detailed as possible. You will immediately understand this as soon as you take your first photo. The seven-blade diaphragm is indispensable for people who always shoot video. The manufacturer has also added some aspherical elements to help reduce all aberration throughout the zoom range