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Tamron 17-35mm F/2.8-4 Di OSD Lens for Nikon

Product Code: 5329109


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    Features

    Description

    The Tamron 17-35mm F/2.8-4 Di OSD is a full-frame, ultra-wide-angle zoom lens with superb image quality and easy portability. At just 9cm in length and 460g in weight, it is the smallest and lightest in its class which has been made possible with the use of Tamron’s latest OSD (Optimized Silent Drive) focusing mechanism which is itself very compact, fast and quiet. The Moisture-Resistant Construction help to protect the lens against dust and moisture whilst the Fluorine Coating helps repel moisture and dirt from the front element, making it very easy to keep clean.

    High-performance imaging for shooting vast landscapes in sharp detail
    The optical construction (15 elements in 10 groups) uses four LD (Low Dispersion) lens elements to minimize axial chromatic aberrations that can occur with ultra-wide-angle zoom lenses. With two properly positioned GM (Glass Molded Aspherical) lenses, distortion and other aberration can be satisfactorily corrected as well. Being the smallest and lightest in its class* and dedicated to high quality imaging, the engineers have paid particular attention to size. The lens has also been carefully designed to allow peripheral point image reproducibility and thereby facilitate a high degree of sharpness and contrast. The Minimum Object Distance (MOD) for the entire zoom range is a short 0.28m (11 in), so background blurring is still possible when opening the aperture and approaching the subject close-up with this ultra-wide-angle zoom.

    Advanced coating technology along with proprietary ghosting analysis simulation technology enables backlighting control
    Resistance to backlighting is extremely important for wide-angle lenses as they are often subjected to strong light sources. The Model A037 has a high level optical construction that repeatedly employs comprehensive ghosting analysis simulation. The BBAR (Broad-Band Anti-Reflection) Coating is highly effective in reducing reflection, allowing ghosting and flare throughout the entire zoom range to be controlled.

    OSD (Optimized Silent Drive)
    The AF drive system employs an OSD (Optimized Silent Drive) to ensure quiet operation. Through the innovative optimization of the system that includes AF system speed reduction gear, Tamron was able to greatly reduce the drive noise in comparison to conventional AF types with built-in DC motors. AF performance and speed have also been vastly improved. Thus, even if silence is required, AF can be employed without having to worry at all about noise creation. The Model A037 is able to provide superlative AF precision for exact focus even when shooting moving objects, as well as outstanding trackability.

    Circular aperture to produce a smooth-edged bokeh
    A 7-blade diaphragm is configured to retain a smooth, circular-shaped aperture opening even when stopped down by two stops from the wide-open aperture. This produces a smooth-edged bokeh in background light spots and avoids rugged aperture geometry

    Moisture-Resistant Construction
    Seals are located at the lens mount area and other critical locations to prevent infiltration of moisture and/or rain drops to provide Moisture-Resistant Construction. This feature affords an additional layer of protection when shooting outdoors under adverse weather conditions

    Fluorine Coating
    The surface of the front element is coated with a protective fluorine compound that has excellent water- and oil-repellant qualities. The front surface is easier to wipe clean and is less vulnerable to the damaging effects of dirt, dust, moisture or oily fingerprints, allowing for much easier maintenance. The coating also provides an enhanced level of durability, and will sustain its effectiveness for years.

    Specifications

    Dimensions for Lenses 90mm long
    Weight (g) 460g
    Type Zoom, Wide Angle
    Lens Fitting Nikon F (FX)
    Filter - Size 77mm