Key Features
- High-performance medium telephoto lens for action and astronomical photography
- ED glass elements offer high-resolution and high-contrast image even at maximum aperture
- IF (Internal Focusing) technology for fast AF operation
Focal length |
180mm |
---|---|
Maximum aperture |
f/2.8 |
Minimum aperture |
f/22 |
Lens construction |
8 elements in 6 groups (1 ED glass element) |
Picture angle |
13°40' [9° with Nikon digital cameras (Nikon DX format)] |
Closest focusing distance |
1.5 m / 5 ft |
Maximum reproduction ratio |
1/6.6 |
No. of diaphragm blades |
9 |
Filter/attachment size |
72mm |
Diameter x length (extension from lens mount) |
Appproximately 78.5 x 144 mm/3.1 x 5.7 in. |
Weight |
Approximately 760 g/26.8 oz. |
Supplied accessories |
72mm Snap-on front lens cap, Rear lens cap LF-1, Flexible Lens Pouch CL-38 |
Spatial Frequencies |
S: Sagittal |
M: Meridional |
---|---|---|
10 lines/mm |
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30 lines/mm |
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