Tamron Sony SP 15-30mm F/2.8 Di USD w/ built-in hood AFA012S700


Category: Lenses, SLR, Sony, Tamron

Vendor: Tamron


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Tamron Sony SP 15-30mm F/2.8 Di USD w/ built-in hood 

The Tamron SP 15-30mm f/2.8 Di USD Lens with Sony A-Mount is a fast wide-angle zoom lens. The f/2.8 maximum aperture performs well in low-light situations, and provides a shallow depth of field for selective focus. XGM and LD glass elements reduce chromatic aberrations and help ensure sharp and clear imagery. eBAND and BBAR coatings render uniform colors and reduce ghosting and flare, while a fluorine coating on the front element helps repel water or contaminants. A USD (Ultrasonic Silent Drive) autofocus motor provides quick and precise focusing performance, with high torque, low response times, and quiet operation to benefit both still and video applications. Additionally, a full-time manual focus mechanism enables manual fine-tuning of focus at any point, even when the AF system is engaged.

With an optical construction of 18 elements in 13 groups, inclusive of XGM (eXpanded Glass Molded Aspherical) element placed at the front group and several LD (Low Dispersion) glass elements in the system, aberrations such as geometrical distortion and lateral color are efficiently compensated for enabling the zoom lens to deliver outstanding image quality throughout the entire range from corner to corner.

Tamron’s acclaimed BBAR (Broad-Band Anti-Reflection) coating is further refined to render uniformity in transmissivity across the critical bandwidths. Coupled with the eBAND coating, ghosting and flare typically observed on ultra-wideangle lenses are efficiently eliminated, resulting in crisper and crystal-clear images. Due to the large diameter and the prominent convex profile of the front element, it is not practical to deploy a protective filter. For the first time, a fluorine coating is applied to the front element, which repels water or any type of dirt, while making it easier to remove such smudge when contaminated. Natural and smooth blur on the subject background enhances depictive capabilities of wide-angle photography when a subject is located in the close distance. The 9-blade diaphragm construction retains a near-circular aperture opening even when stopped down by two steps from its full open position and delivers ideal bokeh effects.

Speed of autofocus and control accuracy are further improved. USD (Ultrasonic Silent Drive) delivers tack-sharp images due to the high torque and fast response speed with least amount of lag time, yet with extremely low acoustic noise. Equipped with a full-time manual focus mechanism, fine focus adjustments are enabled without exiting from the AF mode. The SILKYPIX Developer Studio software provides an added feature to generate high-quality images from RAW data, while performing adjustments to reflect a personal style and a taste of the photographer. These include white balance, color, sharpness, and the tonal curves recorded by digital cameras. The SILKYPIX Developer Studio for Tamron provides a range of functions, in addition to the basic adjustment capabilities, such as correcting aberrations (lateral color, distortion, relative illumination fall-off) referring to the optical design data. Optimal use with Tamron’s SP series lenses - renowned for their high-depiction capabilities – delivers images that meet photographers’ most exacting demands.

Features:

  • Image Quality: Comprised of 18 elements in 13 groups, including an XGM (eXpanded Glass Molded Aspherical) element placed at the front group and several LD (Low Dispersion) glass elements in the system, aberrations such as geometrical distortion and lateral color are efficiently compensated for, enabling the zoom lens to deliver quality imagery throughout the entire range from corner to corner.
  • BBAR and eBAND Coatings: BBAR (Broad-Band Anti-Reflection) coating renders uniformity in transmissivity across the critical bandwidths. Coupled with the eBAND coating, ghosting and flare typically observed on ultra wide-angle lenses are efficiently eliminated, resulting in sharper and clearer images.
  • Ultrasonic Motor: USD (Ultrasonic Silent Drive) Motor is the power for a fast and quiet autofocus drive that works in harmony with the continuous manual focus mechanism.
  • XGM and LD Glass Elements: An eXpanded Glass Molded Aspherical element and Low Dispersion elements in the front group minimize chromatic aberrations and help ensure clear and sharp imagery.
  • Lens Hood: A built-in lens hood helps block out unwanted light, preventing lens flare, as well as protecting the lens's front element.
  • Diaphragm: A rounded 9-blade diaphragm produces an aesthetic out-of-focus quality that is especially beneficial when working with selective focus or shallow depth of field techniques.
  • SILKYPIX Developer Studio for Tamron: The SILKYPIX software provides allows you to generate quality images from RAW data, while performing adjustments to reflect your personal style. These include white balance, color, sharpness, and the tonal curves recorded by digital cameras. The SILKYPIX Developer Studio for Tamron provides a range of functions, in addition to the basic adjustment capabilities, such as correcting aberrations (lateral color, distortion, relative illumination fall-off) referring to the optical design data.

Specifications:
Lens Type Wide Angle Zoom
Camera Mount Sony A-Mount
Mount Details 35mm Film / Full-Frame Digital Sensor
Focal Length 15 - 30mm, Comparable 35mm Equivalent on APS-C Format Focal Length: 24 - 48 mm
Aperture Range f/2.8 - f/22
Minimum Focusing Distance 11" (.28 m)
Filter Size None
Groups 13
Elements 18
Length 5.71"
Maximum Diameter 3.87"
Angle Of View 110 - 71 degrees. APS-C Picture Angle: 85 - 49 degree

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