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Sigma USA Authorized Dealer, 4-Year USA Warranty
17 elements in 13 groups, it features FLD (“F” Low Dispersion) glass which is the highest level low dispersion glass available with extremely high light transmission
HSM (Hyper Sonic Motor) realizes quick and quiet autofocusing, which is further complemented by an optimized AF algorithm to produce smoother focusing performance.
Constant f/2.8 maximum aperture for working in low-light conditions, stops down to f/22.
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.
