Key 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
Focal length | 18-35mm |
---|---|
Maximum aperture | f/3.5-4.5 |
Minimum aperture | f/22-32 |
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)] |
Closest focusing distance | 0.33m |
Maximum reproduction ratio | 1/6.7 |
No. of diaphragm blades | 7 (rounded) |
Filter/attachment size | 77mm |
Diameter x length (extension from lens mount) | Appproximately 82.5 x 82.5 mm/3.2 x 3.2 in. |
Weight | Approximately 370 g/13.0 oz. |
Supplied accessories | 77mm snap-on front lens cap, Rear lens cap LF-1, Bayonet Hood HB-23 |
MTF Chart
- Wide
- Tele
Spatial Frequencies | S: Sagittal | M: Meridional |
---|---|---|
10 lines/mm | ||
30 lines/mm |
Lens Construction
: Aspherical lens elements
: ED glass elements
: Super ED glass elements
0 komentar:
Posting Komentar