Top features: - Wide-angle prime lens for versatile shooting - Fast aperture is ideal for low light and action - Hypersonic Motor for fast focusing - Special elements minimise distortion Wide-angle primeWith a 24 mm focal length this wide-angle lens offers a practical and versatile design that's ideal for landscape, architectural, interior photography and much more.Get creative by shooting from a different perspective - try capturing the atmosphere at a venue, capture all the guests at a wedding or shoot dramatic night trails over the countryside.Fast apertureThe extreme f/1.4 wide aperture means this lens is ideal for night photography and film makers, allowing you to shoot at faster shutter speeds to capture action and prevent camera shake even in low light.It also provides greater versatility for bringing out foreground subjects with a shallow depth of field.Hypersonic MotorFocusing is fast and quiet thanks to Sigma's HSM (Hypersonic Motor) so it's easier to track subjects and there's minimal disturbance during filmmaking.Special elementsPremium FLD (“F” Low Dispersion) and SLD (Special Low Dispersion) glass elements keep aberration and distortion at a minimum, while the latest optical design offers ultra-high resolution from corner to corner for brilliant images.Flare and ghosting are reduced thanks to the Super Multi-Layer Coating so you always get sharp, high contrast images even in backlit conditions.