Designed for full-frame DSLR cameras, the Sigma 500mm F4 5 Apo Lens has a huge aperture that can be used to shoot fast-moving objects. This lens is compatible with Nikon Digital SLR cameras including the D40 and D40X series of cameras.

• Two Extraordinary Low Dispersion (ELD) glass elements available in the Sigma 500mm lens offers optimum color correction and sharp images for the complete zoom range
• These glass elements feature a multi-layer lens coating technology and lens design formula that reduces flare and ghosting
• The 46mm rear insertion filter in the Sigma 500mm F4 5 Apo Lens enables easy rotation of polarizing filters
• The Sigma telephoto zoom lens is compatible with Sigma APO Tele Converters and offers extra focal length as that of a 700mm F8 or 1000mm F11 lens
• With a large aperture of f4.5, the performance of the Sigma 500mm F4 5 Apo Lens is very high
• The Sigma 500mm F4 5 Apo Lens is constructed with 11 elements in 8 groups
• The angle view of this telephoto zoom lens is 5 degrees
• The total number of diaphragm blades in the Sigma 500mm Lens is 9
• The minimum focusing distance of the Sigma telephoto zoom lens is 157.5 inches
• The weight of the Sigma 500mm Lens is 109.7 oz
• The filter size is 46 mm
• This zoom lens offers a maximum magnification of 1:7.7
  

Lens Construction : 11 Elements in 8 Groups

APO Tele Converter : 1.4X MF, 2X MF

Angle of View :5º

Number of Diaphragm Blades :9

Mininum Aperture : f32

Minimum Focusing Distance :400 cm / 157.5 in

Filter Size (mm) :46 (Rear)

Maximum Magnifications :1:7.7

Dimensions (Diameter x Length) :123 x 349.5 mm/4.8 x 13.8 in

Weight : 3100g / 109.7oz..

Corresponding Mounts : Sigma  HSM APO CONV EX DG, Nikon  HSM APO CONV EX DG D, Canon  HSM APO CONV EX DG, Sony/Minolta  APO CONV EX DG, Pentax  APO CONV EX DG