![]() In that time, the company has built a reputation for high-quality, affordable glass that fills in gaps the big manufacturers often miss. This lens is compatible with the optional Sigma USB Dock for fine-tuning different lens characteristics and updating its firmware.Sigma lenses have been offering photographers and content creators alternatives to first-party lenses for decades.Additionally, rubber sealing is incorporated in the mount design to render it dust- and splash-resistant. ![]() The bayonet mount is constructed from brass for ensured accuracy and durability.The HSM also permits full-time manual focus control simply by rotating the focus ring at any time. The integrated HSM (Hyper Sonic Motor) realizes quick and quiet autofocusing, which is further complemented by an optimized AF algorithm to produce smoother focusing performance. ![]() Rounded nine-blade diaphragm contributes to a smooth and pleasing bokeh quality.A Super Multi-Layer Coating has been applied to lens elements in order to minimize lens flare and ghosting and contribute to producing contrast-rich and color-neutral imagery, even in backlit conditions.Floating elements system helps to realize consistent optical performance throughout the focusing range, from 11.8″ to infinity.Two aspherical elements are used to help limit distortion and spherical aberrations and also contributes to greater overall sharpness and accurate rendering.One F Low Dispersion (FLD) element and four Special Low Dispersion (SLD) elements are featured in the optical design, and help to reduce color fringing and chromatic aberrations for improved clarity and color accuracy. ![]()
0 Comments
Leave a Reply. |