.. 0.42x HD Super Wide Angle Panoramic Macro Fisheye Lens For The Canon T1i, XS, XSI, XT, XTI, 50D, 40D, 30D, 20D, 10D, 5D, 1DS MARK 2 & 3, 1D MARK 2 & 3 Digital SLR Cameras Which Have Any Of These (18-55mm, 75-300mm, 50mm 1.4 , 55-200) Canon Lenses .42x HD Super Wide Angle Panoramic Macro Fisheye Lens A REAL Titanium 0.42x Extra Large Panoramic professional Fisheye lens Lens is multi-coated / High Resolution Precision Optics, Day or Night Auto Focus / Infrared Compatible Includes adapter ring