AF Zoom-Nikkor 18-35mm f/3.5-4.5D IF-ED (1.9x)
来源:百度文库 编辑:神马文学网 时间:2024/05/22 03:30:14
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Portable ultra-wideangle zoom lens
2000 Release
Main Features
High optical performance by aspherical lens and ED glass element
Focuses down to 0.33m
IF (Internal Focusing) technology for smoother focusing and a better balanced handling
Seven-blade rounded diaphragm achieves a natural blur for out-of-focus elements
Specifications
Lens construction
11 elements in 8 groups (1 ED glass element and 1 aspherical lens)
Picture angle
100° - 62° [76° - 44° with Nikon digital cameras (Nikon DX format)]
Focal-length scale
18, 24, 28, 35mm
Number of diaphragm blades
7 (rounded)
Minimum f/stop
22
Closest focusing distance
0.33m
Maximum reproduction ratio
1/6.7
Zoom control
Manual, via separate zoom ring
Macro focusing
N/A
Focus-limit switch:
N/A
M/A mode
N/A
Focus lock button
N/A
Weight (approx.):
370g
Dimensions (approx.) (from the camera’s lens mounting flange)
82.5×82.5 mm
Lens cap
Snap-on
Lens hood
HB-23 (supplied)
Lens case
CL-S2 (optional)
Tripod collar
N/A
External front filter attachment frame
Does not rotate
External front filter
77mm
Slip-on filter
N/A
Built-in/rear filter
N/A
Circular polarizing filter
Usable, but vignetting may occur at wide or macro setting
Circular polarizing filter II
Usable, even with dedicated Lens Hood HB-23
AF-3
Usable, but vignetting may occur at ∞ (infinity), or macro at wideangle setting. (0)
AF-4
Usable. (0): ( ) Indicates maximum number of usable hoods (HN-36 for AF-3/HN-37 for AF-4).
Infrared compensation scale
Does have (only for 18mm focal length)
Supplied accessories
77mm snap-on front lens cap, Rear lens cap LF-1, Bayonet Hood HB-23
Aperture ring
Does have
Distance scale
Does have
Material of bayonet ring
Metal
Note:
MTF Chart
Wide Tele
Spatial Frequencies S: Sagittal M: Meridional
10 lines/mm
30 lines/mm
Lens Construction