Sigma 15mm f/1.4 DG DN Diagonal Fisheye L-Mount
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In developing a fisheye lens featuring an ultra-wide-angle and powerful fisheye distortion, Sigma 15mm f/1.4 DG DN Diagonal Fisheye L-Mount has achieved a completely new level of artistic potential, combining the world's first F1.4 aperture for consumer use with outstanding resolving power across the entire image. In terms of optical performance, the SIGMA 15mm F1.4 DG DN DIAGONAL FISHEYE | Art has achieved excellent point image reproducibility and high resolution by correcting various aberrations, especially sagittal coma flare. The lens is capable of handling starscape photography, which demands particularly high-quality performance, even when wide-open. Unlike conventional fisheyes, the SIGMA 15mm F1.4 DG DN DIAGONAL FISHEYE | Art is exceptionally sharp across its entire 180° angle-of-view and offers an ultra-fast F1.4 aperture, making it perfect for a wide range of applications including astrophotography, landscapes and architecture. The expressive power of this all-new full-frame mirrorless lens opens a wealth of creative possibilities in wide-angle photography.
As an interchangeable lens for full-frame cameras for consumer use. (As of February 2024 by SIGMA).
The latest optical design thoroughly corrects each type of aberration. This diagonal fisheye lens has the unique expressiveness of a fisheye lens and high resolution throughout the entire image from a wide-open aperture. The performance of the lens is guaranteed by a full inspection with SIGMA's proprietary MTF measuring system.
The lens consists of 21 elements in 15 groups, including 4 FLD and 3 SLD exclusive low-dispersion glass elements, and 2 aspherical lens elements. By correcting sagittal coma flare and other aberrations, the lens can precisely reproduce bright points of light across the whole frame even wide open, making it ideal for astrophotography.
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. In addition, the SIGMA 15mm F1.4 DG DN DIAGONAL FISHEYE | Art is designed with the strict performance standards of the Art line. Furthermore, all lenses are inspected with SIGMA's proprietary MTF measuring system. 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.
To prevent flare and ghosting, which reduce image quality, the lens is designed to handle all conditions of incident light based on state-of-the-art simulation technology. High backlight resistance enables clear and sharp images under any lighting conditions.
The SIGMA 15mm F1.4 DG DN DIAGONAL FISHEYE | Art offers an abundant functions to support astrophotography. With the introduction of this lens, SIGMA now has four F1.4 wide-angle prime Art line lenses with functions specifically designed for astrophotography, including the 14mm, 20mm, and 24mm. In terms of both lineup and functionality, SIGMA fully supports the joy of capturing the stars.
The SIGMA Art line of F1.4 single focal length lenses with specialized features for astrophotography is expanded to four lenses with the addition of the SIGMA 15mm F1.4 DG DN DIAGONAL FISHEYE | Art. Users can select the lens that best suits their needs and the expression they are aiming for.
| Lens Construction | 21 elements in 15 groups |
|---|---|
| Angle of View | 180° |
| Number of Diaphragm Blades | 11 |
| Minimum Aperture | F16 |
| Minimum Focusing Distance | 38.5cm / 15.2in. |
| Maximum Magnification Ratio | 1:16 |
| Dimensions (Diameter × Length) | L-Mount：φ104.0mm x 157.9mm / φ4.1in. x 6.2in. |
| Weight | L-Mount：1,360g / 48.0oz. |
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