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:2024/05/01 12:36:14







Click to enlarge




Click to view lens specs


Portable ultra-wideangle zoom lens



2000 Release



Sample Image



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
How to read the MTF chart





Lens Construction



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