Sigma Lens 18-35mm F1.8 DC HSM Nikon F Mount Zoom Standard APS-C SLR Art Brand: Sigma Focal Length Description: Wide-angle 18-35mm Lens Type: Standard Compatible Mount: Nikon F Camera Lens Description: Zoom Lens Maximum Focal Length: 35 mm Utilizing the shallow depth of field of F1.8 allows for significant background blurring, expanding shooting freedom. It covers the angle of view of several large-aperture prime lenses from wide-angle to standard, demonstrating high mobility. Equipped with the ultrasonic motor HSM (Hyper Sonic Motor), achieving high-speed AF and quietness. The AF algorithm has been improved for smoother AF. Full-time manual focus is also possible, allowing fine-tuning of focus simply by turning the focus ring after focusing. By adopting Super Multi-Layer Coating, flare and ghosting are reduced, achieving high-contrast depiction even in backlit shooting. Nikon F Mount 18-35mm F1.8 Zoom Standard SLR APS-C YT-C QAZ113