The Sigma 15mm F2.8 EX DG Diagonal Fisheye Lens For Pentax mount  holds a unique position in the Sigma lens line up. The 15mm is a diagonal fisheye which means the distorted scene is shown full frame within the camera's field of view.
Using acute perspectives not seen by the human eye, this lens is an essential for taking eye-capturing images. The large F2.8 aperture makes the 15mm capable of overcoming any lighting situation.
- Diagonal fisheye image fits into entire frame
- Close focusing distance & extreme angle of view
- Carrying Case, front/rear caps & front adapter ring
Digitally optimized diagonal fisheye auto-focus lens
This digitally optimized diagonal fisheye lens is equipped with a new multi-layer coating technology that reduces both flare and ghosting. By taking advantage of both the distortion aberration, specific to fisheye lenses and the minimum shooting distance of 15 cm (5.9 inches), the photographer can shoot creative images.
Flare and Ghosting
This digitally optimized diagonal fisheye lens is equipped with a new multi-layer coating technology that reduces both flare and ghosting. This also ensures an accurate color balance and high definition results.
Fisheye Lens Characteristic enables photographers to experience new image expression possibilities.
180 degree field of view of this fisheye lens can be used to create amazing image expressions that cannot be seen with the human eye, such as exaggerated perspective and distortion.
Minimum Shooting Distance of 15cm (5.9in.)
The minimum shooting distance of this lens is only 15cm(5.9 inch) and it has maximum magnification of 1:3.8. Minimum shooting distance of 15cm (5.9in.) and large depth of field allow close up photography that covers the objects surrounding the photographic subject.
Gelatin Filter Holder
This lens is supplied with a gelatin filter holder at the rear, allowing the use of gelatin filters.