Sigma 40mm f/1.4 DG HSM Art Lens for Nikon F-Mount
Cine Lens Tolerances and Design
- Designed with rigorous cine lens tolerances.
- Wide normal-length lens with bright design and sophisticated optical layout.
- Part of Sigma’s Art line within the Global Vision series for notable optical performance.
Aperture and Depth of Field
- Fast f/1.4 maximum aperture for shallow depth of field and selective focus effects.
- Ideal for low-light conditions and creative depth of field control.
Advanced Optical Design
- Incorporates low dispersion and aspherical elements:
- Three FLD and three SLD elements reduce color fringing and chromatic aberrations.
- One aspherical element limits distortion and spherical aberrations.
- Super Multi-Layer Coating minimizes flare and ghosting for greater contrast and color accuracy.
Focusing Performance
- Hyper Sonic Motor (HSM) for quick, smooth, and quiet autofocus.
- Full-time manual focus override by rotating the focus ring.
- Optimized AF algorithm for smoother focusing performance.
Physical Design
- Brass bayonet mount for rigidity and precision.
- Dust and moisture seal for added protection.
- Rounded nine-blade diaphragm for pleasing bokeh.
- Electromagnetic aperture mechanism for stable exposure control during fast continuous shooting.
- Protective coating on the front element is water and oil-repellent for easy cleaning.
Compatibility and Application
- Short-normal prime lens for FX-format Nikon F-mount cameras.
- Suitable for DX models, providing a 60mm equivalent focal length.
- Designed for creative and artistic applications.
Key Features
- Bright f/1.4 maximum aperture for low-light performance and shallow depth of field techniques.
- Enhanced optical design with FLD, SLD, and aspherical elements.
- Super Multi-Layer Coating for contrast-rich and color-neutral imagery.
- Hyper Sonic Motor (HSM) for efficient autofocus with manual override.
- Brass bayonet mount with dust and splash resistance.
- Electromagnetic aperture mechanism for stable exposure control.
- Water and oil-repellent coating on the front element.
- Compatible with optional Sigma USB Dock for fine-tuning and firmware updates.
