Sigma 105mm f/1.4 DG HSM Art Lens (Nikon F-Mount)
The “Bokeh Master” Portrait Prime Fully Functional Core Kit in Good Condition
The Sigma 105mm f/1.4 DG HSM Art is a legendary, no-holds-barred short-telephoto prime lens custom-engineered for full-frame (FX) Nikon F-mount DSLRs and mirrorless Z-series cameras (via FTZ adapter). Earning its reputation as the ultimate “Bokeh Master,” this optical powerhouse distinguishes itself with a massive 105mm front element diameter and an ultra-bright f/1.4 maximum aperture. It delivers breathtaking subject isolation, razor-thin depth-of-field control, and incredible peripheral illumination that virtually eliminates mechanical vignetting.
Constructed with premium Thermally Stable Composite (TSC) material and fully weather-sealed at its brass bayonet mount, this Art-series prime features a quick Hyper Sonic Motor (HSM) and an advanced low-dispersion glass layout. This package comes completely outfitted with essential protective caps, its dedicated carbon fiber reinforced hood, and a native Arca-type tripod foot.
Please note: This lens is listed in overall Good condition. It is completely operational but exhibits standard internal dust particles and some light cosmetic scratches across the front glass element that do not affect final image quality.
Key Features & Elite Optical Architecture
Bright f/1.4 Portrait Perspective: Provides a highly desirable 105mm focal length on full-frame sensors (or a compressed 157.5mm equivalent on DX models) paired with an ultra-fast f/1.4 aperture that excels in challenging low-light environments.
Premium Low-Dispersion Glass Lineup: Utilizes three F Low Dispersion (FLD) elements, two Special Low Dispersion (SLD) elements, and one aspherical element to comprehensively eliminate color fringing, chromatic aberrations, and peripheral distortions.
Massive 105mm Front Element: Engineered with an oversized front glass profile to significantly boost peripheral illumination, ensuring uniform edge-to-edge frame brightness and minimizing standard wide-open corner shading.
Super Multi-Layer Coating: Individual lens layers are treated with Sigma’s high-fidelity multi-coating to suppress internal reflections, flare, and ghosting for deep, contrast-rich imagery even when shooting into harsh backlighting.
Electromagnetic Aperture Stability: Outfitted with a specialized specialized electromagnetic aperture mechanism to guarantee exceptionally stable, precise exposure control during high-speed continuous burst shooting.
Hyper Sonic Motor (HSM) Autofocus: Driven by a high-torque HSM system running an optimized AF algorithm for fast, near-silent target lock. Includes full-time mechanical manual focus override by simply turning the focus ring.
Removable Arca-Type Tripod Foot: Features a rotating tripod collar with a native Arca-Swiss compatible foot for instant balance adjustments atop tripods or monopods. The collar can be detached for more streamlined handheld tracking.
Item Condition & Diagnostic Notes
Functional & Mechanical Performance: GOOD / FULLY FUNCTIONAL. This lens has been bench-tested and performs beautifully. The autofocus locks quickly and tracks reliably, the aperture blades snap instantly, and the rotating tripod collar locks firmly into place.
Front Glass Condition (Light Scratches): The front element exhibits some light superficial scratches scattered across the outer glass. In comprehensive real-world testing, these cosmetic marks do not impact resolution, contrast, or color rendering, and do not cause flare artifacts in final photographs. The rear element is pristine.
Optical Path (Internal Dust): The interior optical chambers contain a standard accumulation of minor dust particles. These do not affect image clarity and are typical for a lens with this diameter of front glass. The path is free of haze, separation, or fungus.
Cosmetic & Build State: The exterior TSC lens barrel and carbon fiber reinforced hood show light signs of normal handling, remaining structurally sound with a tight weather-resistant rubber gasket at the brass bayonet mount.
Included Components: Comes complete with the front lens cap, rear lens cap, carbon fiber reinforced lens hood, and the original removable tripod collar with its integrated foot.
Technical Specifications
Lens Classification: Sigma Global Vision Creative Art Prime
Lens Mount Type: Nikon F-Mount (FX and DX Compatible)
Focal Length: 105mm (35mm DX Equivalent: 157.5mm)
Maximum Aperture: f/1.4
Minimum Aperture: f/16
Optical Layout: 17 Elements in 12 Groups (3 FLD, 2 SLD, 1 Aspherical)
Autofocus Motor System: Hyper Sonic Motor (HSM) Drive
Aperture Diaphragm: 9-Blade Rounded Design
Filter Thread Interface: 105 mm
Chassis Construction: Thermally Stable Composite (TSC) & Brass Bayonet
Dimensions (Diameter x Length): Approx. 4.6 x 5.2 inches / 115.9 x 131.5 mm
Weight: Approx. 58.0 oz / 1645 g

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