Sigma 120-300mm F2.8 EX DG OS HSM is an Auto Focus (AF)
Telephoto Zoom lens with 35mm FF max sensor coverage and it is designed to be used with Nikon F (FX) mount cameras.
Lenses in Nikon F (FX) Mount with Same Focal and Aperture Range
Lens Mount
Sigma 120-300mm F2.8 EX DG OS HSM is compatible with cameras that have Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (FX) lenses are Nikon D6, Nikon D780 and Nikon D3500.
Sigma 120-300mm F2.8 EX DG OS HSM is also available in Canon EF mount.
Focal Range
Sigma 120-300mm F2.8 EX DG OS HSM has a focal range of 120-300mm and 2.5X zoom ratio. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 180 - 450mm.
Weather Sealings
Sigma 120-300mm F2.8 EX DG OS HSM is a weather sealed lens which provides an extra protection to prevent water and dust get inside the lens and camera body under light rain, snow and wind. In order to have an effective protection, you have to pair the Sigma 120-300mm F2.8 EX DG OS HSM with a weather sealed camera body such as Nikon D6, Nikon D780 and Nikon D850.
Optical Image Stabilization
Sigma 120-300mm F2.8 EX DG OS HSM features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.
Zoom Method
Sigma 120-300mm F2.8 EX DG OS HSM features Rotary (internal) zoom method where the length of the lens doesn't change while you are zooming in or out. Even though this design has a size disadvantage in general compare to extending designs, it has the benefits of better sealing against dust and moisture, no zoom creep and no weight balance shift while zooming.
Maximum Magnification Ratio
Sigma 120-300mm F2.8 EX DG OS HSM has a Max Magnification Ratio of 0.13x and has a minimum focusing distance of 2.5m. 0.13x means that the max magnification ratio is very low and not suitable even for modest close-up shots.
Aperture
Sigma 120-300mm F2.8 EX DG OS HSM is a fixed aperture lens with a constant max aperture of f2.8 from 120mm all the way to the 300mm .
Optical Formula
Sigma 120-300mm F2.8 EX DG OS HSM's optical formula consists of 23 elements in 18 groups . Following special elements are used in this design:
- 2 FLD elements
- 1 SLD element
Lens Hood
Sigma 120-300mm F2.8 EX DG OS HSM comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.
Popular Comparisons of Sigma 120-300mm F2.8 EX DG OS HSM
Here is the eight most popular comparisons of Sigma 120-300mm F2.8 EX DG OS HSM amongst Camera Decision readers.