The Tamron SP 35mm f/1.4 Di USD is a prime lens designed for full-frame DSLR cameras. It features a fast maximum aperture of f/1.4, allowing for excellent low-light performance and beautiful background blur, known as bokeh. The lens is built with high-quality glass elements to minimize distortion and enhance image clarity. This lens also includes Ultrasonic Silent Drive (USD) technology for quick and quiet autofocus, making it suitable for both photography and videography. Its robust construction ensures durability, while the weather-sealed design provides protection against dust and moisture, making it a reliable choice for various shooting conditions.