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Nikon offers two types of autofocus digital camera bodies: those with a built-in focus drive motor and those which require a lens to have a motor. Cameras such as the D5000 do not have a focus motor in it so they require the lens to have the focusing motor – an “AF-S” lens. While these bodies can use a lens with no focus motor (an “AF” lens) you would have to manually turn the focus ring to bring the subject in to sharp focus.

Nikon offers two types of autofocus digital camera bodies: those with a built-in focus drive motor and those which require a lens to have a motor. Cameras such as the D5100 do not have a focus motor in it so they require the lens to have the focusing motor – an “AF-S” lens. While these bodies can use a lens with no focus motor (an “AF” lens) you would have to manually turn the focus ring to bring the subject in to sharp focus.

Yes, this lens is compatible with the D300.

Nikon offers two types of autofocus digital camera bodies: those with a built-in focus drive motor and those which require a lens to have a motor. Cameras such as the D60 do not have a focus motor in it so they require the lens to have the focusing motor – an “AF-S” lens. While these bodies can use a lens with no focus motor (an “AF” lens) you would have to manually turn the focus ring to bring the subject in to sharp focus.

The AF VR Zoom-Nikkor 80-400mm f/4.5-5.6D ED is compatible with the D7000, however, since this is an FX lens and the D7000 has a DX sensor you will experience a 1.5X crop to the angle of view.

Check out Nikon's Lens Simulator at the below link for a visual represenation of an FX /DX crop.
http://imaging.nikon.com/lineup/lens/simulator/index.htm

Yes, the AF VR Zoom-Nikkor 80-400mm f/4.5-5.6D ED is fully compatible with the D50.

Nikon Factory Refurbished products have a 90-day warranty.

The AF VR Zoom-Nikkor 80-400mm f/4.5-5.6D ED is fully compatible with the D90. However, since this is an FX lens and the D90 has a DX sensor, you will experience a 1.5X crop to the angle of view.

Yes the AF VR Zoom-Nikkor 80-400mm f/4.5-5.6D ED lens is compatible with the D90.

You can find a lens compatibility chart for the D90 at the following address:
http://support.nikonusa.com/app/answers/detail/a_id/16108

The D5200 cannot autofocus with the AF VR Zoom-NIKKOR 80-400mm f/4.5-5.6D ED lens because neither the D5200 nor the lens have an auto focus motor. The D5200 can only auto focus with AF-S lenses.