AF DX Fisheye-Nikkor 10.5mm f/2.8G ED
来源:百度文库 编辑:神马文学网 时间:2024/05/22 11:09:56
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Frame-filling fisheye lens for exclusive use with Nikon DX-Format digital SLR
2003 Release
Main Features
Specially designed and optimized for Nikon digital SLRs Full-frame fisheye images with a picture angle of 180° (diagonal) High optical performance by ED glass elements Focuses down to 0.14m/0.46 ft.
Specifications
Lens construction
10 elements in 7 groups (1 ED glass element)
Picture angle
180°
Number of diaphragm blades
7 (rounded)
Minimum f/stop
22
Closest focusing distance
0.14m
Maximum reproduction ratio
1/5
Macro focusing
N/A
Focus-preset
N/A
M/A mode
N/A
Focus lock button
N/A
Weight (approx.):
305g
Dimensions (approx.) (from the camera’s lens mounting flange)
63×62.5 mm
Lens cap
Slip-on
Lens hood
Fixed type (built-in)
Lens case
CL-0715 (supplied)
Tripod collar
N/A
External front filter
Gelatin filter for lens mount provided
Circular polarizing filter
N/A
Circular polarizing filter II
N/A
AF-3
N/A
AF-4
N/A
Note:
• We do not recommend the use of DX NIKKOR lenses with 35mm (135) or IX240 format cameras.
MTF Chart
Spatial Frequencies S: Sagittal M: Meridional
10 lines/mm
30 lines/mm
Lens Construction