10-17mm f/3.5-4.5 Fisheye Zoom Canon EF Mount Lens caps protect the camera's

Lens caps protect the camera's lens from scratches

The field of view is 4

Using 3 aspherical lenses including a large aspherical P-MO element and 3 all-glass molded Low-Dispersion (SD) elements

because the mirrors are much lighter than the optical glass

The felt dramatically reduces the potential for light bouncing off the interior wall of the hood for increased contrast but tends to pick up dust and other small particles from the air and the camera bag

10-17mm f/3.5-4.5 Fisheye Zoom Canon EF Mount Lens caps protect the camera'sDescription Overview The Tokina AT X 107 DX is a compact and lightweight fisheye zoom lens that gives the digital photographer an approximate 180 field of view with dramatic curvature of field or "fish eye" effect. A full corner to corner image that packs everything around the subject makes this lens a useful item in street, landscape, architecture, underwater and 360 panorama photography. Zoom Function Unlike other common fisheye lenses the Tokina AT