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Sigma 259956 105mm f/1.4 DG HSM Art Lens — main product image
Sigma

Sigma 259956 105mm f/1.4 DG HSM Art Lens

f/1.4

Unleash the Art of Bokeh: Sigma 105mm f/1.4 Lens Experience unparalleled mid-telephoto performance with the Sigma 259956 105mm f/1.4 DG HSM Art lens. Designed for Sigma mount cameras, this lens delivers exceptional sharpness and stunning bokeh thanks to its ultra-wide f/1.4 aperture. Its robust c...

$1,628.00*
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*Price sourced from Amazon.com. Last updated:Jul 13, 2026.Price and availability are subject to change.

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Overview

Unleash the Art of Bokeh: Sigma 105mm f/1.4 Lens

Experience unparalleled mid-telephoto performance with the Sigma 259956 105mm f/1.4 DG HSM Art lens. Designed for Sigma mount cameras, this lens delivers exceptional sharpness and stunning bokeh thanks to its ultra-wide f/1.4 aperture. Its robust construction and weather-sealing make it a reliable choice for professional photographers.

Key Features:

  • Exceptional sharpness and clarity
  • Ultra-wide f/1.4 maximum aperture for beautiful bokeh
  • Advanced optical design with FLD, SLD, and aspherical elements
  • Dust- and splash-proof construction
  • Durable CFRP (carbon fiber reinforced plastic) lens hood

Specifications:

  • Brand: Sigma
  • Model: 259956
  • Focal Length: 105mm
  • Maximum Aperture: f/1.4
  • Minimum Aperture: f/16
  • Optical Elements: 17 elements in 12 groups
  • Glass Elements: 3 FLD, 2 SLD, 1 Aspherical
  • Mount: Sigma
  • Color: Black
  • Weather Resistance: Dust- and splash-proof (excluding Sigma mount)
  • Lens Hood Material: CFRP (Carbon Fiber Reinforced Plastic)

Key Features

By including three FLD glass elements, two SLD glass elements, and one aspherical lens element

e SIGMA’s Sports line lenses, the 105mm F1.4 DG HSM | Art features a highly effective dust- and splash-proof structure with special sealing at the mount connection (with exception of the Sigma mount)

Instead of conventional ABS plastic, the exclusive lens hood features CFRP (carbon fiber reinforced plastic), a light but strong material used in the interior and exterior fittings of aircraft

Specifications

Focal Length
105mm
Aperture
f/1.4
Lens Elements
Three FLD, Two SLD, One Aspherical
Construction
Dust- and splash-proof structure
Lens Hood Material
CFRP (carbon fiber reinforced plastic)
Series
Art Lens

Pros & Cons

👍 Pros

  • Includes three FLD glass elements, two SLD glass elements, and one aspherical lens element for superior image quality.
  • Features a highly effective dust- and splash-proof structure with special sealing at the mount connection (excluding Sigma mount).
  • The exclusive lens hood is made from CFRP (carbon fiber reinforced plastic), a light yet strong material used in aircraft.
  • The f/1.4 aperture allows for excellent low-light performance and beautiful background blur.
  • Being part of the Art line, this lens is designed for high optical performance and creative expression.

👎 Cons

  • The "Sigma mount" is specifically excluded from the special sealing, potentially offering less protection than other mounts.
  • The provided features do not specify the weight or overall dimensions of the lens, which could be significant for a 105mm f/1.4 lens.
  • The absence of image stabilization details might be a drawback for handheld shooting in certain conditions.
  • Specific filter thread size for the lens is not mentioned, which is important for accessory compatibility.
  • The cost implication of incorporating advanced glass elements and CFRP is likely to be high.

Frequently Asked Questions

This lens incorporates three FLD glass elements, two SLD glass elements, and one aspherical lens element to achieve high optical performance.
Yes, the 105mm F1.4 DG HSM | Art features a highly effective dust- and splash-proof structure with special sealing at the mount connection, except for the Sigma mount.
The exclusive lens hood is crafted from CFRP (carbon fiber reinforced plastic), a material known for being light yet strong, also used in aircraft fittings.
An f/1.4 aperture allows for significant light gathering, which is excellent for low-light photography and creating shallow depth of field with pleasing background blur.
The provided features do not mention whether this Sigma 105mm f/1.4 DG HSM Art Lens includes image stabilization.

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