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Thursday, September 10, 2009

Nikon 18-200mm f/3.5-5.6 G ED-IF AF-S VR [Vibration Reduction] DX Lens

Nikon's 18-200mm f/3.5-5.6G ED-IF AF-S DX Zoom-Nikkor is a high-ratio 11x zoom lens with Nikon's exclusive VR II Vibration Reduction technology. Nikon's VR II provides the equivalent of a shutter speed 4 steps faster than would otherwise be possible, enabling substantially sharper pictures in challenging conditions. The Nikkor 18-200mm lens incorporates two ED glass and three aspheric lens elements to provide optimal color, contrast and clarity while minimizing chromatic aberrations and other distortion, resulting in outstanding image quality and versatility. In addition, Nikon's compact AF-S Silent Wave Motor provides fast and quiet autofocusing while the M/A mode allows for simultaneous switching between Autofocus and manual focus operation.

Technical Details :
* High-ratio, 11x zoom lens and 18-200mm focal range.
* VR II Vibration Reduction technology provides a four-steps-faster shutter speed.
* Lens incorporates two ED glass and three aspheric lens elements.
* Delivers high-resolution and contrast, outstanding image quality, and fantastic photographic versatility.
* AF-S Silent Wave Motor provides fast quiet autofocusing, and M/A mode makes it easy to switch from auto to manual focus.

Major features of the Nikon 18-200mm f3.5-5.6G IF-ED AF-S DX VR Zoom-Nikkor lens:
- Offers a broad 18-200mm focal range (11.1x zoom) for use in a variety of situations (equivalent to a 27-300 mm lens in 35mm format); VR II Vibration Reduction system offers the practical equivalent of using a shutter speed 4 stops faster.
- Two ED glass and three complex aspherical lens elements minimize chromatic aberration, astigmatism, and other forms of distortion while ensuring high resolution and contrast.
- Incorporates a compact SWM (Silent Wave Motor) for quiet focusing. Delivers high-level optical performance that is specially designed for use with the Nikon digital SLRs.
- Employs a seven-blade, rounded diaphragm opening that achieves a natural blur for out-of-focus elements.
- Enables focusing from as close as 50 centimeters (20 inches) from the subject through its entire focal range.
- M/A mode for rapid switching between autofocus and manual focus operation.
- Internal Focusing (IF) design simplifies the use of circular polarizing filters.
- Nikon Super Integrated Coating (SIC) offers superb color reproduction while minimizing ghosting and flare.
- Flower-shaped lens hood HB-35 (included) greatly reduces stray light, enhancing image quality.

Pros :
- Light weight for range.
- Large range.
- Vibration Reduction.
- Sharp, crisp pictures with vibrant colors.
- Fast Focus with manual focus adjustment ring for fine tuning.
Cons :
- Light fall off at long telephoto settings and large f stops.
- Vibration Reduction helps with handheld shots but does not stop subject motion in low light, you still need a fast lens for that high price and limited availability.
- Might get light fall off at wide angles unless expensive 1/2 width filter is used.
- Lens Creep (but most telephotos have this to some extent).

Nikon 18-200mm f/3.5-5.6 G ED-IF AF-S VR [Vibration Reduction] DX Lens

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