Sigma 105mm f/2.8 EX DG OS HSM Macro Lens is formulated for FX-format F-mount cameras. The range of its aperture is from f/2.8 to f/22. It has two SLD elements that eliminate the chromatic aberrations and color fringing and hence delivers true color rendering and clarity. The lens elements are coated using a Super Multi-Layer Coating to support working in strong lighting conditions. Apart from this, it has a supreme floating internal focus design, a rounded 9-blade diaphragm, and a Hyper Sonic Motor AF System.

Our Take on Sigma 105mm f/2.8 EX DG OS HSM:

The Sigma 105mm f/2.8 EX DG OS HSM Macro Lens is a classic-design lens for capturing close-ups. It is a telephoto prime that is formulated for Nikon F mount cameras in FX-format. The telephoto prime is perfect for macro shooting and delivers a life-size 1:1 magnification along with a minimum focusing distance of 1'. Its bright aperture range lies between f/2.8 to f/22 and it suits well for working in a wide range of lighting conditions. The aperture also helps in delivering great control over the focus position when deploying shallow depth of field techniques.

Sigma 105mm f/2.8 EX DG OS HSM Macro Lens has two Spherical Low Dispersion (SLD) elements integrated into its optical design. These elements furnish increased clarity and color fidelity by significantly eliminating color fringing and chromatic aberrations. Besides, it has a Super Multi-Layer Coating that has been applied to every element of the lens. This Multi-Layer coating mitigates the lens flare and ghosting and hence produces color-neutral and contrast-rich imagery, especially in backlit conditions. A floating elements setup helps in maintaining consistent sharpness and image quality through the entire shooting range.

The Sigma 105mm f/2.8 EX DG OS HSM Macro Lens operates on a Hyper Sonic Motor (HSM). The HSM, along with an internal focusing design, provides full-time manual focus override and quick and quiet autofocus performance. To minimize the appearance of camera shake, an Optical Stabilizer system is integrated with the lens. This stabilizing system supports in making super sharp imagery when shooting handheld. Apart from this, the unit produces a pleasing bokeh quality through a rounded nine-blade diaphragm. The lens is compatible with optional APO 1.4x EX DG and APO 2x EX DG teleconverters.