Polaroid Studio Series 2.2X High Definition Telephoto Lens, Includes Lens Pouch and Cap Covers For The Sony Alpha DSLR A100, A200, A230, A290, A300, A330, SLT-A33, A350, A380, A390, A450, A500, A560, SLT-A55, A550, A700, A850, A900 & Minolta Maxxum Digital SLR Cameras Which Have Any Of These Sony Lenses

Mounts On Existing Lens "Zoom Enabled": Can be Used With Zoom LensesEliminates Ghosting And GlareInfra-Red & Macro CapableCompatible With Video & Still CamerasLimited 10 Year Warranty
Product DescriptionIf you need more lenses than your budget allows, Polaroid conversion lenses represent a cost effective and intelligent alternative Because our DNA is optics and lenses (as in Polarizing filters) our conversion lenses are precision engineered and multi-coated to provide flawless results

Source: Digital Camera and Video Store...