Product ID: 10950

EAN: 085126332549

  • EF mounting lens / full frame format
  • Opening range: f / 1.4 to f / 16
  • Three FLD elements, three SLD elements
  • An aspheric element
  • Super multi-layer coating
  • Hyper Sonic AF motor, manual override
  • Protective front cover, weather sealed
  • 9 blade round diaphragm
  • Compatible with Sigma USB Dock

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Sigma 40mm f / 1.4 DG HSM Art Lens for CANON

Designed within the rigorous tolerances of a cinema lens, Canon's Canon EFM 40mm f / 1.4 DG HSM artistic lens with EF mount is a wide lens of normal length characterized by a brilliant design and sophisticated optical design. The fast maximum aperture of f / 1.4 helps achieve effects of shallow depth of field and selective focus, and also adapts to work in difficult lighting conditions. The optical design incorporates a series of low dispersion elements and aspherical elements, which help improve sharpness and clarity by controlling spherical and chromatic aberrations. A super multilayer coating is also offered, which helps minimize reflections and shadows for greater contrast and color accuracy when working in bright lighting conditions.

Complementing the imaging capabilities, the lens sports a Hyper Sonic engine to produce fast, smooth and silent autofocusing performance with full-time manual focus override. The physical design features a brass bayonet mount, which offers rigidity and precision mounting together with a seal to protect against dust and moisture. In addition, a rounded nine-leaf diaphragm contributes to a pleasing bokeh quality.
As part of the Art line within the Sigma Global Vision series, this lens is designed to achieve truly remarkable optical performance and is ideal for creative and artistic applications.
Short-normal prime is designed for Nikon F-mount cameras in FX format, however, it is also suitable for DX models where it provides an equivalent focal length of 60 mm.
The impressively bright f / 1.4 maximum aperture is suitable for working in low light conditions and also provides greater control over focus position when using shallow depth of field techniques.

The optical design includes three F Low Dispersion (FLD) elements and three Special Low Dispersion (SLD) elements, which help reduce color fringes and chromatic aberrations to improve clarity and color accuracy.
An aspheric element is used to help limit distortion and spherical aberrations and also contributes to overall sharpness and accurate representation.
A super multilayer coating has been applied to the lens elements to minimize the reflection and ghost image of the lens and contribute to producing contrast-rich and neutral-color images, even in backlight conditions.
The rounded nine-leaf diaphragm contributes to a soft and pleasant bokeh quality.
The integrated HSM (Hyper Sonic Motor) performs a fast and silent autofocus, which is complemented by an optimized AF algorithm to produce smoother focusing performance. The HSM also allows manual full-time focus control by simply turning the focus ring at any time.

The specialized electromagnetic aperture mechanism provides greater stability of exposure control which is especially beneficial when working with fast continuous shooting speeds.
The bayonet mount is made of brass to ensure accuracy and durability. In addition, the rubber seal is incorporated into the design of the holder to make it resistant to dust and splashes.
The protective coating has been applied to the front element and repels water and oil to aid in cleaning.
This lens is compatible with the optional Sigma USB cradle to adjust the different lens characteristics and update your firmware.

Data sheet
Filter size 82mm
Type of filter UV Ultraviolet Protector

40mm focal length
Maximum opening f / 1.4
Minimum opening F 16
Canon EF lens mount
Format compatibility Full frame
Viewpoint 56.8 °
Maximum extension 0.154x
Minimum focusing distance 1.31 '/ 40 cm
Optical design 16 elements in 12 groups
Diaphragm sheets 9, rounded
Focus type Autofocus
Image stabilization None
Filter size 82 mm (Front)
Dimensions (ø x L) 3.5 x 5.157 "/ 87.8 x 131 mm
Weight 2.6 lb / 1.2 kg



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