This lens is compatible with the optional Sigma USB Dock for fine-tuning different lens characteristics and updating its firmware.Protective coating has been applied to the front element and is both water and oil-repellent to aid in cleaning.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.Specialized electromagnetic aperture mechanism provides greater exposure control stability that is especially beneficial when working with fast continuous shooting rates.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. Ive read some posts or article online saying that Sigmas new 30mm f/1.4 Art lens can be mounted on full frame body even though it is designed for crop bodies. Its 35mm focal length equivalent is 45mm which. Rounded nine-blade diaphragm contributes to a smooth and pleasing bokeh quality. Sigma 30mm f/1.4 Art on Full Frame in Canon Lenses Approve the Cookies This website uses. The Sigma 30mm f/1.4 DC HSM Lens for Canon DSLR Cameras is a prime lens designed for Canon APS-C format cameras.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.
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