Sigma 105mm f/1.4 DG HSM Art Lens for Canon EF

Optical Performance

• High Optical Performance: Designed for high-resolution rendering and clarity.
• Bright f/1.4 Aperture: Ideal for low-light conditions and depth of field control.
• FLD and SLD Glass Elements: Three FLD and two SLD elements reduce color fringing and chromatic aberrations.
• Aspherical Element: Limits distortion and spherical aberrations for sharpness.
• Large 105mm Diameter Front: Enhances peripheral illumination to reduce vignetting.
• Super Multi-Layer Coating: Minimizes lens flare and ghosting for better contrast and color fidelity.
• Rounded Nine-Blade Diaphragm: Contributes to smooth and pleasing bokeh quality.

Autofocus System

• Hyper Sonic Motor (HSM): Provides quick, smooth, and quiet autofocus performance.
• Full-Time Manual Focus Override: Allows manual focus control at any time.
• Optimized AF Algorithm: Ensures smoother focusing performance.
• Electromagnetic Aperture Mechanism: Offers greater exposure control stability, especially useful in fast continuous shooting.

Design and Build

• Art Line Lens: Part of Sigma's Global Vision series, designed for creative and artistic applications.
• Thermally Stable Composite (TSC) Material: Ensures durability in various environments.
• Brass Bayonet Mount: Offers accuracy, durability, and incorporates rubber sealing for dust and splash resistance.
• Protective Coating on Front Element: Water and oil-repellent coating for easier cleaning.
• Carbon Fiber Reinforced Plastic Lens Hood: Lightweight yet durable construction.

Additional Features

• Compatibility: Designed for full-frame Canon EF-mount DSLRs, can also be used with APS-C models providing a 168mm equivalent focal length.
• Removable Rotating Tripod Collar: Features an Arca-type compatible foot for wide mounting compatibility and can be removed for comfortable handheld use.
• Sigma USB Dock Compatibility: Allows fine-tuning of lens characteristics and firmware updates.