User manual
Sigma 40mm f 1.4 DG HSM

User Manual for Sigma 40mm f 1.4 DG HSM Art Lens for Sigma SA

• Product category: SLR Lenses Sigma
• Brand: Sigma
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for Sigma SLR Lenses

Product description

• As part of the Art line within Sigma's Global Vision series, this lens is designed to achieve truly notable optical performance and is ideally suited for creative and artistic applications.

• Short-normal prime is designed for full-frame Sigma SA-mount cameras, however is also suitable for APS-C models where it provides a 60mm equivalent focal length.

• Impressively bright f/1.4 maximum aperture is well-suited for working in low-light conditions and also provides greater control over the focus position when using shallow depth of field techniques.

• Three F Low Dispersion (FLD) and three Special Low Dispersion (SLD) elements are featured in the optical design, and help to reduce color fringing and chromatic aberrations for improved clarity and color accuracy.

• One aspherical element is used to help limit distortion and spherical aberrations and also contributes to greater overall sharpness and accurate rendering.

• 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.

• Rounded nine-blade diaphragm contributes to a smooth and pleasing bokeh quality.

• 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. The HSM also permits full-time manual focus control simply by rotating the focus ring at any time.

• Specialized electromagnetic aperture mechanism provides greater exposure control stability that is especially beneficial when working with fast continuous shooting rates.

• The bayonet mount is constructed from brass for ensured accuracy and durability. Additionally, rubber sealing is incorporated in the mount design to render it dust- and splash-resistant.

• Protective coating has been applied to the front element and is both water and oil-repellent to aid in cleaning.

• This lens is compatible with the optional Sigma USB Dock for fine-tuning different lens characteristics and updating its firmware.

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Technical parameters

Sigma 40mm f/1.4 DG HSM Art Specs

Focal Length	40mm
Maximum Aperture	f/1.4
Minimum Aperture	f/16
Lens Mount	Sigma SA
Format Compatibility	Full-Frame
Angle of View	56.8 Rating 90% users recommend this product to others. And what about you? This product has already been rated by 03 owners. Add your rating and experience with the product. Discussion Ask our technicians if you have a problem with your settings, or if anything is unclear in the user manual you have downloaded. You can make use of our moderated discussion. The discussion is public and helps other users of our website who may be encountering similar problems. The discussion is empty - enter the first post Post a new topic / query / comment: Items marked with * are required. Your name *: E-mail : Subject *: Message *: Your email address will not be displayed. Do not forget to fill it in if you want to receive a reply to your enquiry/contribution. Processing of personal data in accordance with GDPR