Tamron 28-300mm F/3.5-6.3 AF XR Di LD IF Lens

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Digitally Integrated Engineering

Tamron AF 28-300mm F/3.5-6.3 XR Di LD Aspherical (IF) Lens Tamron's Di lens optical systems can be used on both 35mm film SLR and DSLR cameras have been held in high esteem by users from around the world every since the initial Di lens, the Tamron SP AF 28-75mm f/2.8, was introduced in 2003

Numerous users kept suggesting that Tamron create the old non-SP high power plus the compact 28-300mm which they were using with their 35mm film SLR cameras in the new Di design as a way to have the same quality pictures and convenience using digital cameras. Tamron went ahead and redesigned the conventional AF 28-300mm zoom to contain the Di engineering accomplish the suggestions of those photographers.

Containing high picture quality just by Virtue of the Di (Digitally Integrated) engineering: The "Di" model is accomplished by first improving upon the BBAR coatings and switching to a fresh new multi-coati process that includes all of the advantages of the original although now further diminishes the flare and ghosting created by aberrations, and additionally enhancing their already rigorous systems of quality control. The fresh new AF 28-300mm Di is re-engineered as a high powered zoom now perfect for using on interchangeable-lens digital and still be used on film cameras.


The term hyperzoom or superzoom is used to promote photographic zoom lenses with unconventionally large focal length factors, typically more than 4 and ranging up to 15, e.g., 35 mm to 350 mm. The largest ratio for digital SLR cameras is held by the Tamron 18270 mm, giving 15. Some Digital Cameras have even larger zoom ratios up to 35. For movie and television use, Panavision holds the record with their 300X HD Lens.

While superzoom lenses have improved greatly in recent years, they still have a number of drawbacks in comparison with shorter-range zooms and prime lenses. Most notable is the much increased likelihood of significant distortions of the image at both extreme ends of the range. Other potential problems include smaller maximum aperture and poorer autofocus performance

The minimal factor used here is 5 or more. A 28200 mm has a 75 to 12.3 angle of view, a 28300 mm (or an 18200 mm for an APS DSLR) has an 11.1x 75 to 8.2. Nov 19, 2011 ✓


  • DI - Digitally Integrated Design
    (to reduce ghosting, flare, CA and peripheral light fall-off along with improved resolution)

  • Low Dispersion lens elements
    (LD Glass to reduce chromatic aberration for sharper images) Aspherical - contains aspherical elements (compensates for spherical aberration and distortion, making for better performance with fewer elements (and As a result allowing for smaller, lighter lenses)

  • XR Technology. Extra Refractive Index Glass (reduces lens size). The first most important reason that the lens is so compact is the use of high refractive index glass. That is, XR glass. High refractive index glass bends light more than normal or lower refractive index glasses. Normally, glass material having a refractive index of more than 1.69 is called high refractive index glass. In the A03 optical system, glass material having a refractive index of more than 1.69 is used in the front group. In addition, refractive index of the whole optical system is enhanced. By using high refractive index glass in the front group, we could make the elements in the first group thinner, and reduce one element in the second group. This made the overall length of the whole optical system shorter.


1. Improved Coating:
  • Newly developed Multi-coating ideal for digital imaging to reduce ghosting and flare caused by aberrations and to increase contrast

    2. Enhanced Quality Control:

  • Ensure mechanical and and optical meet new standard

    3. Exterior design:

  • Di logo on zoom rings Same Convenience and Compactness:
    • The amazing changes in angles of view of a 10.7X zoom lens are now available for your digital SLR camera. This opens up a completely new horizon when combined with the fundamental attraction of digital SLR cameras; the possibility of confirming the quality or composition of captured images on the spot and the capability to allow the manipulation of images with a computer.

      The new AF28-300mm Di enables photographers to enjoy the convenience of the high power zoom lens with digital SLR cameras, while offering the same compactness as that of the previous model designed primarily for film cameras.

    Ideal for Use with Conventional Film Cameras As Well:
    • The new AF28-300mm Di can be used with both digital SLR cameras and conventional 35mm AF-SLR film cameras. It provides an impressive angle of view equivalent to that of approx. 465mm ultra telephoto when used with a digital camera and enables you to enjoy creative composition of images at the 28mm wide angle setting when used with a 35mm film camera.

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    Lens styleZoom lens
    Max Format Size 35mm FF  
    Lens focal length28 300 mm - 44-465mm on APS-C Digital SLR Cameras (using 1.55x approx.)  
    Stabilization type No  
    Camera mount Canon EFNikon F (FX), Pentax KAF, Sony Alpha  
    Angle of view 75-8  
    Aperture (lens diaphragm)
    Largest aperture opening F3.5 - F6.3  
    Smallest aperture opening F22.0  
    Includes aperture ring Yes  
    Total diaphragm blades 9  
    Total Elements 15  
    Number of Groups 13  
    Minimum focus distance 0.49 m (19.29")  
    Autofocus type Yes  
    Lens motor Micromotor  
    Full time manual focus Unknown  
    Focusing method Internal  
    Focus notes screw drive for nikon mount  
    Lens distance scale Yes  
    Depth of field scale Yes  
    Physical features
    Overall weight420 g (0.93 lb)  
    Lens diameter 73 mm (2.87")  
    Overall length 84 mm (3.30")  
    Lens color Black  
    Zooming method Rotary (extending)  
    Zoom lock switch Yes  
    Filter thread size 62 mm  
    Lens hood included Yes  
    Lens hood code flower shaped hood  
    Tripod collar included No

    Lens Includes

    Tamron Zoom Wide Angle-Telephoto AF 28-300mm f/3.5-6.3 XR Di LD Aspherical Lens
    Front & Rear Lens Caps
    Lens Hood
    6-Year Warranty



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