The key features of the Sigma 85mm f/1.4 DG DN Art lens for Sony E-mount cameras:

1. Fast f/1.4 Aperture: Provides excellent performance in low light and delivers a shallow depth of field with beautifully smooth bokeh, ideal for portrait photography.
2. Advanced Optical Design: Features high-quality glass elements and a sophisticated optical layout to achieve superior sharpness, contrast, and minimal distortion.
3. Art Series Quality: Part of Sigma’s prestigious Art series, known for its exceptional image quality and artistic performance.
4. High-Resolution Performance: Engineered to resolve high-resolution sensors, ensuring crisp and detailed images with excellent clarity.
5. Weather-Sealed Construction: Built with durable weather-sealing to protect against dust and moisture, making it reliable in challenging shooting conditions.
6. Smooth and Accurate Autofocus: Equipped with a fast and precise autofocus system for reliable and quick focusing, enhancing your shooting experience.
7. Rounded 11-Blade Diaphragm: Creates a pleasing, circular bokeh effect for more natural and aesthetically pleasing background blur.
8. Compact and Lightweight: Offers high performance in a relatively compact and lightweight design, making it easier to handle and transport.
9. Customizable Features: Compatible with Sigma’s USB Dock for firmware updates and lens customization options.
10. Aspherical Elements: Includes special aspherical lens elements to reduce aberrations and improve overall image quality.