Sigma 15mm f/1.4 DG DN Art Diagonal Fisheye

L-Mount, Sony E-mount 

A high-quality, weather-sealed fisheye lens with an exceptionally broad 180-degree field of view is the Sigma 15mm f/1.4 DG DN Art. It has a 21-element, 15-group optical design was developed with exceptional sharpness in mind during production. It's a fiheye lens which is  considerably faster than others on the market, being a f1.4. The lens's high-speed autofocus and minimum focusing distance of 15.2" allow it to capture stunning images underwater.

Lens Design

A total of 21 lens elements, distributed among 15 groups, are optimized for the reproduction of strong points of light. These elements include 4 FLD elements, 3 SLD elements, and 2 aspherical elements. In addition, it indicates that the lens maintains sharpness over the whole of its viewing angle. The inbuilt Arca-Swiss compatible tripod collar and two rear sheet filter slots are great for the long exposures needed for astrophotography. Consistently enhancing clarity, sharpness, and overall image quality, the lens is engineered to withstand all incident light circumstances, including high backlight resistance. The lens can endure exposure to the weather thanks to its water-and oil-repellent coating, as well as its dust-and splash-proof body.

Diagonal fisheye lens with 180° angle of view

The powerful distortion effect, which is the appeal of fisheye lenses, allows users to enjoy expressions such as a unique perspective and emphasis on the subject at a 180° angle of view. The unique descriptive power of this new fisheye lens, which combines an incredible 180° angle-of-view with very high resolution optics, delivers a level of artistic potential that exceeds other fisheye lenses.

HLA Autofocus System

The Sigma autofocus system is now even more silent, precise, and quick thanks to the HLA (High-response Linear Actuator) focusing motor. The optical design helps videographers minimize concentration breathing. If you're a sports photographer or you often shoot subjects in motion, including birds in flight, cars, or planes, the HLA will help you focus on the perfect moment every time.