Sigma 500mm f/4.5 EX APO DG HSM AF Nikon
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Two ELD glass elements in the front lens elements reduce chromatic aberration to a minimum and also ensure sharp, quality images of high contrast.
New coating reduces Ghost and Flare.
The new multi layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras and also creates an optimum color balance.
It also features a rotatable drop-in filter.
It also features a drop-in 46mm filter holder in the rear part of the lens barrel, which can be rotated to facilitate the use of filters, including a polarizing filter.
HSM.
The AF drive features Sigma’s ultra-quiet and high-speed Hyper Sonic Motor (HSM).
Inner Focus.
Inner focusing retains external dimensions for ease of handling.
Accepts both 1.4X and 2X APO EX Tele-Converters.
By adding an APO teleconverter (optional extra), you can use this lens as a 700mm F6.3 MF ultra-telephoto lens with a 1.4X EX teleconverter, or as a 1000mm F9 MF ultra-telephoto lens with a 2X teleconverter.
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