BH77B Hood for AT-X 11-16mm f/2.8 because the mirrors are much

because the mirrors are much lighter than the optical glass

5mm which is the closest to 50 degrees

Dimensions 74mm x 77mm Weight 310g /

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

BH77B Hood for AT-X 11-16mm f/2.8 because the mirrors are muchDescription Overview The BH77B replacement bayonet lens hood is specifically designed for use with the Tokina ATX AF 11 16mm F 2. 8 PRO DX and atx i 11 16mm f 2. 8 lenses. The "A" version of the hood has a black felt lining on the interior side of the hood where as the "B" version does not. 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