Nikon AF-S DX Zoom-Nikkor 12-24mm f/4G IF-ED
 | |
| Maker | Nikon |
|---|---|
| Technical data | |
| Focal length | 12-24mm |
| Crop factor | 1.5 |
| Aperture (max/min) | f/4 - f/22 |
| Close focus distance | 0.30m |
| Max. magnification | 1:8.3 |
| Diaphragm blades | 7 (rounded) |
| Construction | 11 elements in 7 groups |
| Features | |
| Ultrasonic motor |  Yes |
| Lens-based stabilization |  No |
| Macro capable | No |
| Application | Wide-angle zoom |
| Physical | |
| Max. length | 82.5 mm |
| Diameter | 90mm |
| Weight | 465g |
| Filter diameter | 77mm |
| Accessories | |
| Lens hood | HB-23 |
| Case | CL-S2 |
| Angle of view | |
| Diagonal | 99°-61° (with DX format) |
| History | |
| Introduction | 2003 |
The AF-S DX Zoom-Nikkor 12-24mm f/4G is a lens manufactured by Nikon for use on Nikon DX format digital SLR cameras. It provides an angle of view on a DX format camera similar to that of an 18-35mm lens on a 135 film format camera.
Introduction
[edit]Nikon announced the lens on 18 February 2003[2] as the first lens specifically designed for the Nikon DX format.[3]
This lens was replaced by the AF-S DX NIKKOR 10-24mm f/3.5-4.5G ED announced on April 14, 2009.[4]
Target market
[edit]At the time the lens was introduced, Nikon did not make a zoom lens which would provide an ultra-wide-angle view on a DX format camera. Due to the crop factor of the DX format, wide-angle zoom lenses such as the 18-35mm provided an angle of view equivalent to a 27-52.5mm lens; more typical of a normal zoom.
The purpose of the 12-24mm was to fill this gap in the ultra-wide- to wide-angle range[3] that would otherwise require users to purchase relatively expensive prime lenses such as the 13mm, 15mm and 18mm Nikkors.
Features
[edit]- 12-24mm focal length (approximately equivalent to an 18-35mm lens used on a 135 film format camera)
- Compact silent-wave autofocus motor with full-time manual override
- Nikon F-mount lens exclusively for use with Nikon DX format DSLRs
- Extra-low Dispersion (ED) glass elements to reduce chromatic aberration
- Aspherical elements to reduce distortion
- Super integrated coating (SIC) to reduce flare and ghosts
- Internal focusing (IF)[2]
Construction
[edit]- eleven lens elements in seven groups
- three aspherical elements
- two ED glass elements[1]
See also
[edit]References
[edit]- ^ a b "AF-S DX Zoom-Nikkor 12-24mm f/4G IF-ED (2.0x)". Lenses. Nikon Corporation. 2009. Archived from the original on 2011-02-24. Retrieved 2010-06-22.
- ^ a b "Nikon confirm DX 12 - 24 mm lens". Digital Photography Review. 2003-02-18. Retrieved 2009-02-23.
- ^ a b "AF-S DX Zoom-Nikkor 12-24mm f4G IF-ED Lens". Behind the Scenes. Nikon Corporation. 2009. Archived from the original on 2009-02-23. Retrieved 2009-02-23.
- ^ "AF-S DX NIKKOR 10-24mm f/3.5-4.5G ED". Nikon. 2009-04-14.