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AF-S NIKKOR 400mm f/2.8G ED VR

 于安臣 2009-07-18

AF-S NIKKOR 400mm f/2.8G ED VR

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[Product Image] AF-S NIKKOR 400mm f/2.8G ED VR

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ED SIC N IF D G SWM M/A VR

Professional super-telephoto NIKKOR lens featuring VR II



2007 Release



Link to microsite





Nikon Vibration Reduction (VR) function









Main Features


  • VR II operation realizes the equivalent of a shutter speed four stops faster
  • New Tripod mode reduces vibration that may occur at shutter release when shooting with a super-telephoto lens attached to a tripod
  • Enhanced optical formulas, engineered to produce exceptional sharpness, contrast and color, render outstanding image integrity
  • Three ED (Extra-low dispersion) elements control chromatic aberration while enhancing sharpness and contrast, even at the widest apertures
  • Exclusive Nikon Nano Crystal Coat and a Meniscus protective glass element combine to further reduce ghosting and flare for even greater image clarity
  • High-performance Nikon Super Integrated Coating realizes superior color reproduction while minimizing ghosting and flare
  • Nikon's exclusive Silent Wave Motor enables fast autofocusing with exceptional accuracy and powerful, super-quiet operation
  • Rounded diaphragm opening (9 blades) makes out-of-focus elements appear more natural
  • Newly added A/M mode reduces the possibility of unintentional switching from Auto to Manual
  • Focus Preset function instantly recalls preset focus points with the push of a button
  • Engineered to Nikon professional D-SLR standards to effectively resist dust and moisture
  • Magnesium die-cast for a lightweight body with rugged construction
  • Supplied lens hood effectively minimizes stray light
  • Detachable monopod collar provided




AF-S NIKKOR 400mm f/2.8G ED VR Specifications






Focal length

400 mm

Maximum aperture

f/2.8

Minimum aperture

f/22

Lens construction

14 elements in 11 groups (with 3 ED glass elements and one Nano Crystal Coat) and one meniscus protective glass element

Picture angle

6°10’ (4°00’ with DX-format camera)

Closest focus distance

2.9 m/9.5 ft. (AF), 2.8 m/9.2 ft. (MF)

Maximum reproduction ratio

1/6.3

No. of diaphragm blades

9 (rounded)

Filter/attachment size

52 mm

Focusing

Internal Focusing (IF) system; autofocus with a built-in SWM and manual focus

Diameter x length
(extension from lens mount)


Approx. 159.5 x 368 mm/6.3 x 14.5 in.

Weight

Approx. 4,620 g/10.2 lb.

Supplied accessories

Lens Hood HK-33, Heavy duty case CT-404, Dedicated filter holder, 52mm screw-in NC filter, Strap LN-1, Monopod collar


Note:
VR operation works with the Nikon F6, F5, F100, F80, F75, F65, D3, D700, D2-series, D1-series, D300, D200, D100, D90, D80, D70-series, D60, D50 and D40-series.




MTF Chart




Spatial Frequencies S: Sagittal M: Meridional
10 lines/mm
30 lines/mm

How to read the MTF chart




Lens Construction




: Aspherical lens elements : Super ED glass elements
: ED glass elements  

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