This Sigma 500mm f/4.5 EX DG APO HSM lens is an Apochromatic ultra-telephoto lens with a fast f/4.5 maximum aperture, and it incorporates two ELD (Extraordinary Low Dispersion) glass elements to reduce chromatic aberration to a minimum. Internal focus enables responsive and fast autofocus speed.
The improved DG lens design corrects for various aberrations. This lens is specially coated to get the best color balance whilst cutting down on ghosting caused by reflections from the digital image sensor. The lens provides the utmost correction against lateral chromatic aberration which is a serious problem for digital SLR cameras.
By adding the optional Sigma APO teleconverter, you can use this lens as a 700mm f/6.3 MF ultra-telephoto lens with a 1.4x EX teleconverter, or as a 1000mm f/9 MF ultra-telephoto lens with a 2x teleconverter.
Note! HSM lenses, while able to manually focus with all Nikon F-mount cameras, will not autofocus with certain older film AF cameras. This is the same limitation as with Nikon's own AF-S lenses. Incompatible models are: N60, N55, N8008/s, N6006, N5005, N4004 & N2020.
|Focal Length||500 mm|
|Camera Mount Type||Nikon F|
|Format Compatibility||Nikon FX/35mm Film
|Angle of View||5 degree|
|Minimum Focus Distance||13.12 inches (4.00 m)|
|Maximum Reproduction Ratio||1:7.7|
This Sigma 77mm adapter ring allows the EM-140 DG Ringlight Flash to be mounted on...
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