Tuesday, February 28, 2012

Nikon 300mm f/4.0D ED-IF AF-S Nikkor Lens for Nikon Digital SLR Cameras

Nikon 300mm f/4.0D ED-IF AF-S Nikkor Lens for Nikon Digital SLR Cameras




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Compact super-telephoto lens for travel, sports, wildlife, and stock photography
Super-fast, super-quiet lens using Silent Wave motor technology
ED glass elements for high-resolution and high-contrast images
M/A mode allows rapid switching between autofocus and manual operation
Nine-blade rounded diaphragm achieves a natural blur for out-of-focus elements



Lens-making is surely an art--Nikon artisans craft Nikkor optics from the finest materials, taking pride in adding their intellect and technique to bring the world's finest lenses to life. They push the leading fringe of lens-making inside their effort to provide the "glass" that makes the world's greatest pictures.
AF Nikkor lenses work with Nikon SLRs for optimal performance, perhaps the very latest. The Nikon 300mm f4D IF-ED AF-S is a compact super-telephoto lens for travel, sports, wildlife and stock photography. It is really a super fast, super quiet lens using Silent Wave motor technology, with ED glass elements for high-resolution and high-contrast images. It features a 4.8-foot closest focusing distance, M/A mode which allows rapid switching between autofocus and manual operation, as well as a nine-blade rounded diaphragm that achieves a natural blur for out-of-focus elements.

ED glass: An essential component of Nikkor telephoto lenses
Nikon developed ED (Extra-low Dispersion) glass to encourage the manufacture of lenses offering superior sharpness and color correction by minimizing chromatic aberration. Put simply, chromatic aberration is really a type of image and color dispersion that occurs when light rays of varying wavelengths pass through optical glass. In the past, correcting this challenge for telephoto lenses required special optical elements that offer anomalous dispersion characteristics--specifically calcium fluoride crystals. However, fluorite easily cracks and is also understanding of temperature changes that can adversely affect focusing by altering the lens' refractive index. So Nikon designers and engineers put their heads together and created ED glass, which offers all of the benefits and none from the drawbacks of calcium fluorite-based glass. With this innovation, Nikon developed several kinds of ED glass suitable for various lenses. They deliver stunning sharpness and contrast even at their largest apertures. In this way, Nikkor's ED-series lenses exemplify Nikon's preeminence in lens innovation and performance.

Nikon Super Integrated Coating ensures exceptional performance
To boost the performance of the company's optical lens elements, Nikon employs an exclusive multilayer lens coating that helps reduce ghost and flare to a negligible level. Nikon Super Integrated Coating achieves a amount of objectives, including minimized reflection inside wider wavelength range and superior color balance and reproduction. Nikon Super Integrated Coating is very effective for lenses using a large amount of elements, like our Zoom-Nikkors. Also, Nikon's multilayer coating process is tailored to the design of each particular lens. The number of coatings applied to each and every lens element is carefully calculated to complement the lens type and glass used, and in addition to assure the uniform color balance that characterizes Nikkor lenses. This brings about lenses that meet better standards than the remaining of the industry.

Internal Focusing
Imagine being able to focus a lens without them changing in size. Nikon's IF technology enables just that. All internal optical movement is limited for the interior with the non-extending lens barrel. This allows for the more compact, lightweight construction also as being a closer focusing distance. In addition, a lesser and lighter focusing lens group is employed to make certain faster focusing. The IF product is featured for most Nikkor telephoto and selected Nikkor zoom lenses.

Distance information
D-type and G-type Nikkors relay subject-to-camera distance information to AF Nikon camera bodies. This then makes possible advances like 3D Matrix Metering and 3D Multi-Sensor Balanced Fill-Flash. Note: D-type and G-type Nikkors provide distance information to the following cameras: Auto exposure; F6, F5, F100, F90X, F80, F75, F70, F65, F60, F55, F50, Pronea S, Pronea 600i, D2 series, D1 series, D100, and D70s/D70. Flash control; F6, F5, F100, F90X, F80, F75, F70, D2 series, D1 series, D100, and D70s/D70 cameras.

Silent Wave Motor
Nikon's AF-S technology is just one more reason professional photographers like Nikkor telephoto lenses. AF-S Nikkors feature Nikon's SWM which converts "traveling waves" into rotational energy to target the optics. This allows high-speed autofocusing that's extremely accurate and super quiet.

M/A mode
AF-S Nikkors feature Nikon's exclusive M/A mode, which allows switching from autofocus to manual operation with virtually no time lag--even during AF servo operation and regardless of AF mode in use.

What's inside the Box:
Lens, 77mm snap-on front lens cap, rear lens cap LF-1, semi-soft case CL-M2.
This high-power 4.3x telephoto zoom is a versatile and light-weight response to bringing family action closer. Fits all Nikon SLR cameras but optimized for automatic-focus models




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