This lens is in great shape. No scratches or dust on the glass. Includes the rear cap and hood, but the front cap is missing.

The Sigma 15mm f/2.8 EX DG Diagonal Fisheye lens for Canon EF mount is a specialized lens that provides a unique fisheye perspective. Here are the key technical specifications:

• Focal Length: 15mm

• Maximum Aperture: f/2.8

• Minimum Aperture: f/22

• Lens Construction: 7 elements in 6 groups

• Diaphragm Blades: 7

• Minimum Focusing Distance: 0.15 m / 5.9 in

• Maximum Magnification: 0.26x

• Angle of View: 180° (diagonal)

• Filter Size: Gelatin filter holder at the rear of the lens

• Dimensions (Diameter x Length): 73.5mm x 70mm / 2.9 in x 2.8 in

• Weight: 370g / 13.1 oz

• Lens Mount: Canon EF

• Focus Type: Autofocus with a Hyper Sonic Motor (HSM)

• Image Stabilization: None

The Sigma 15mm f/2.8 Fisheye lens is well-regarded for its ability to capture wide, distorted images with an exaggerated perspective, making it a popular choice for creative photography, astrophotography, and panoramic images.