Opteka 6.5mm f/3.5 Manual Focus Aspherical Fisheye Lens for Sony Alpha A99 A77 A65 A58 A57
Product Description : Conforms to APS-C 115x size digital imaging format Actualizes a 65mm focal length and a diagonal angle of view of 180 degrees for APS-C size When fully opened it produces both high resolution and high contrast at the center of the lens as well as around the periphery of the lens Removable bayonet petal type hood and super multi-layer coating help control flaring and ghosting Offers robust durability by incorporating a rigid aluminium base frame
