Product Description ■ Lightdow Super Telephoto Manual Zoom Lens ■ 420-800mm F8.3-16 T2 with Ring Adapter *For EOS Cameras ■ Manual focus telephoto zoom lens for use with DSLR and SLR cameras. ■ Multi-coated low dispersion glass, anti-reflection coating. ■ Creates sharp, high-quality images. ■ Includes lens pouch and protective caps. Specifications: ■ Lens Construction: 4 elements in 2 groups ■ Aperture Range: 8.3-16 ■ Focal Length: 420-800mm ■ Minimum Focusing Distance: 1.5m ■ Filter Diameter: 67mm ■ Package Size: 27 x 9 x 9cm ■ Package Weight: 860g Although this product is brand new and unused, it has been opened for photography. The box has some minor dents, etc.