Vivitar 8mm Ultra-Wide f/3.5 Fisheye Lens For CANON EOS Rebel T6s, T6i, SL1, T5, T5i, T4i, T3, T3i, T1i, T2i, XSI, XS, XTI, XT, 80D, 70D, 60D, 60Da, 50D, 40D, 30D, 20D, 10D, 7D Digital SLR Camera For APS-C Size Image Formats Manual Focus Lens Rounded Image When Used With Full Frame Hybrid Aspherical Lenses -- Sharp Images Multi-Layer Coating to Reduce Flare