About the Nikkor ED Series

Correction of chromatic aberration in camera lenses has been limited, for the most part, to the use of techniques which bring two wavelengths of light—normally blue and red—to a common focus. Although known as "achromatic," lenses employing these designs exhibit a certain amount of undesirable residual disper- sion (called the "secondary spectrum") which limits image contrast and sharpness, particularly at full aperture. Telephoto lenses are most prone to the ill effects of chromatic aberration, since secondary spectrum increases with focal length.

The Nikkor ED series consists of telephoto and super-telephoto lenses fitted with elements made of a Nippon Kogaku-developed special optical glass called "Extra-low Dispersion" (ED) glass. Although the optical characteristics of this new glass are similar to those of calcium fluorite crystal, ED glass possesses a more constant refractive index over a wide range of temperatures and will, therefore, cause less of a focus shift. Also, ED glass is much harder and more resistant to scratches, enabling its use for front and rear lens elements to obtain optimum correction of chromat- ic aberration over the widest possible wavelength range.

Some lenses within the ED series have been so fully corrected that image sharpness extends uniformly to the infrared region; for these lenses, corrective refocusing for infrared exposures is unnecessary. The remaining lenses, such as this Zoom-Nikkor ED 80 ~ 200mm f/2.8, have been built exceptionally compact due to the use of ED glass elements. For these lenses, however, corrective refocusing for infrared photography is necessary. Regardless of which type, ED series lenses offer exceptional sharpness and full contrast for the most precise photography under the widest conditions.

LENS CARE

•Although you should always keep the lens surfaces clean, rough cleaning must be avoided. Wipe with a soft, clean cotton cloth moistened with alcohol to remove grease or fingerprints from the lens surfaces.

If you use ether in cleaning the lens, a smudge sometimes appears on the surface of a multi-coated lens. If this happens, wipe it again with a cotton cloth moistened with alcohol.

•To protect the lens surface from dirt or damage, the use of an L37C filter is recom- mended at all times. The lens hood also helps to protect the lens.

•Keep the lens cap in place whenever the lens is not in use.

•Attach both the front and rear caps when the lens is stored separately.

•To ensure proper fit of the lens when stored in the leather lens case, set the len's focusing ring to the infinity (°°) setting.

Zoom-Nikkor ED 80-200mm f/2.8 specifications

The Nikon Zoom-Nikkor ED 80-200mm f/2.8 is a professional-grade telephoto zoom lens that has garnered acclaim among photographers for its impressive optical performance and build quality. This lens is particularly favored for portrait, wedding, and wildlife photography, where versatility and image quality are paramount.

One of the standout features of the lens is its constant maximum aperture of f/2.8 throughout the zoom range. This capability allows photographers to shoot in low-light conditions and achieve a beautifully shallow depth of field, ensuring subjects are sharp and backgrounds are softly rendered. The fast aperture also facilitates faster shutter speeds, reducing the risk of motion blur, making it an excellent tool for action shots.

The lens incorporates Extra-low Dispersion (ED) glass elements, which help to minimize chromatic aberrations and achieve high contrast and sharp images even at wide apertures. These ED elements work in conjunction with multiple multi-coated surfaces that enhance light transmission and reduce flare, providing outstanding image quality across a variety of shooting situations.

In terms of construction, the Nikon Zoom-Nikkor ED 80-200mm f/2.8 features a robust and durable design, built to withstand the rigors of professional use. The lens barrel is made of high-quality materials that provide resistance to dust and moisture, ensuring reliability even in challenging environments. This makes it a favorite among photographers working in unpredictable weather.

Focusing is another strong point of this lens, with a fast and accurate internal focusing system that allows for quick adjustments without altering the lens's physical length. This contributes to its overall balance and handling, especially important during extended shooting sessions. The lens is compatible with Nikon's autofocus systems, including both standard and professional models, further enhancing its versatility.

The Nikon Zoom-Nikkor ED 80-200mm f/2.8 also features a 9-blade diaphragm which contributes to beautiful bokeh, making out-of-focus areas aesthetically pleasing and adding an artistic touch to images. The lens accepts 77mm filters, allowing photographers to further enhance their shooting techniques by utilizing polarizers, ND filters, and more.

In conclusion, the Nikon Zoom-Nikkor ED 80-200mm f/2.8 is a powerhouse lens celebrated for its exceptional optical performance, fast aperture, and durable construction. Whether used for professional portraits, sports photography, or wildlife shots, this lens consistently delivers stunning image quality that meets the demands of discerning photographers. Its combination of advanced technologies and user-friendly features solidifies its position as a go-to choice for both amateurs and professionals alike.