| Opteka 500mm f/8 High Definition Telephoto Mirror Lens for Canon EOS 70D, 60D, 60Da, 50D, 1Ds, 7D, 6D, 5D, 5DS, Rebel T6s, T6i, T5i, T5, T4i, T3i, T3, T2i and SL1 Digital SLR Cameras Type: Telephoto Lens Focal Length: 500 mm Camera Mount: Canon EF Aperture: Maximum: f/8 Minimum: f/16 Diameter: 72 Focus Type: Manual Focus Minimum Focus Distance: 5.6 feet Parts: 10 |
