AF-S VR Nikkor 300mm f/2.8G IF-ED
来源:百度文库 编辑:神马文学网 时间:2024/05/20 11:12:40
Click to view lens specs
Telephoto with SWM and VR system for serious sports photographers
2005 Release
Link to microsite
Main Features
VR operation offers the equivalent of using a shutter speed 3 stops (eight times) faster*
Two VR modes are available; Normal and Active
ED glass elements for a lower refractive index and reduced dispersion
Nano Crystal Coat deposited lenses ensure fine, clear images under any shooting conditions
SWM (Silent Wave Motor) for quiet high-speed autofocus
M/A mode for quick switching between autofocus and manual focus operation
Meniscus protective lens for reducing ghost reglection
Dust and Waterproof rubber sealing mount
Exceptionally high optical performance with both 35mm and digital SLR models
*As determined by Nikon performance tests.
Specifications
Lens construction
11 elements in 8 groups (3 ED glass and 2 Nano Crystal Coat deposited lens elements), as well as 1 meniscus protective lens
Picture angle
8°10' [5°20' with Nikon digital cameras (Nikon DX format)]
Number of diaphragm blades
9 (rounded)
Minimum f/stop
22
Closest focusing distance
2.3m in AF mode (2.2m in MF mode)
Maximum reproduction ratio
1/6.4
Macro focusing
N/A
Focus-limit switch:
Available
M/A mode
Available
Focus lock button
Available
Weight (approx.):
2,870g
Dimensions (approx.) (from the camera’s lens mounting flange)
124×267.5 mm
Lens cap
Slip-on
Lens hood
HK-30 (supplied)
Lens case
CL-L1 (supplied)
Tripod collar
Does have (rotatable)
External front filter attachment frame
N/A
External front filter
N/A
Slip-on filter
52mm
Built-in/rear filter
N/A
Circular polarizing filter
Only the dedicated Slip-in circular polarizing filter C-PL1L (optional) is usable.
Circular polarizing filter II
N/A
TC-20E/20E II
Usable.
TC-17E I
Usable.
TC-14E/14E II
Usable.
AF-3
N/A
AF-4
N/A
Infrared compensation scale
N/A
Supplied accessories
Slip-on front lens cap, Rear lens cap LF-1, Slip-on Lens Hood HK-30, Semi-soft Case CL-L1, Slip-on filter holder, 52mm screw-in NC filter, Strap LN-1
Aperture ring
N/A
Distance scale
Does have
Material of bayonet ring
Metal
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
Lens Construction