Description:Compatible with the Following Cameras:Sony Alpha a7, a7S, a7IIK, a7II, a7R, a7R II, a6100, a7000, a6000, a5100, a5000, a3000, NEX NEX-7, NEX-6, NEX-5, NEX-3 (E-Mount) Digital Camera.High-power 500mm telephoto focal length - Includes T-mount adapter for Sony NEX E-mount cameras.Manual focus design is complemented by both depth of field and distance scales for utilizing pre-focusing techniques.Built-in tripod mount and removable lens hood helps reduce stray light to prevent lens ghosting.Extra-low dispersion element is incorporated within the 4 element, 4 group design, and helps to reduce chromatic aberrations for sharper image qualitySpecification:Focal Length: 500mmMax Aperture: f/6.3Min Aperture: f/32Angle of View: 5 DegreesFormat: Full Frame and APS-CStructure: 4 elements in 4 groupsAperture Blades: 8Focusing Distance: 9.8' (3 Meter)Focus: ManualFilter: 86mmDimensions: 4.5 x 17 in (114mm x 432mm)Weight: 1565g (55oz)Compatible with: for Sony NEX E-mount Camera Body and T/T2 Mount Telescopes/Lenses/AccessoriesPackage Includes:1 Piece 500mm f/6.3 Telephoto Lens1 Piece T2 Mount Adapter1 Piece Lens Bag1 Piece Front and Rear Lens CapNote:for Canon Nikon SLR camera. Pls set you camera on the M mode to use ,need Manual exposure.for Sony Olympus Panasonic M4/3 Canon EOS M Camera ,when you use this lens ,pls set you camera on the "Defined setting" to be "Release the shutter without lens" or "Aperture priority".