Pairing a useful range of telephoto focal lengths with an especially fast design, this Nikon F-mount Sigma 50-100mm f/1.8 DC HSM is an Art-series zoom mixing impressive versatility with advanced optics. The bright f/1.8 constant maximum aperture offers consistent low-light performance throughout the zoom range and also affords greater control over focus placement for shallow depth of field and selective focus applications. The optical design incorporates a series of low dispersion and high-refractive index elements, which help to achieve high clarity and sharpness by suppressing various aberrations, color fringing, and distortion. A Super Multi-Layer Coating has been applied, too, which controls lens flare and ghosting for improved contrast and color accuracy. Balancing the optical merits, this 50-100mm also sports an advanced Hyper Sonic Motor, along with an internal focusing and zoom design, to promote fast, quiet, and precise autofocus performance. Additionally, a tripod collar is integrated into the lens's design for greater stability when working atop a tripod or monopod.
| Focal Length | 50 to 100mm (35mm Equivalent Focal Length: 75 to 150mm) |
| Maximum Aperture | f/1.8 |
| Minimum Aperture | f/16 |
| Lens Mount | Nikon F |
| Format Compatibility | APS-C |
| Angle of View | 31.7° to 16.2° |
| Minimum Focus Distance | 3.12' / 95 cm |
| Maximum Magnification | 0.15x |
| Optical Design | 21 Elements in 15 Groups |
| Diaphragm Blades | 9, Rounded |
| Focus Type | Autofocus |
| Image Stabilization | None |
| Tripod Collar | Fixed and Rotating |
| Filter Size | 82 mm (Front) |
| Dimensions (ø x L) | 3.68 x 6.72" / 93.5 x 170.7 mm |
| Weight | 3.28 lb / 1490 g |
