Vivitar 420-800mm f/8.3 Manual Focus Telephoto Zoom Lens (T Mount)

For DSLR / Mirrorless cameras using a camera-specific T-Mount adapter (sold separately) Images magnified up to 16x that of a standard 50mm lens Multi-coated all-glass elements; Screw-in lens hood; Built-in tripod collar Macro focusing even at 800mm down to 5.25 feet Versatile enough for use with wildlife, sports, nature and surveillance photography