Tamron 24-70mm f2.8 Di VC USD SP Lens - Canon Fit

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The Tamron 24-70mm f/2.8 Di VC USD SP Lens is a high-speed, standard zoom, Super Performance (SP) Lens with built-in Vibration Compensation (VC) and Ultrasonic Silent Drive (USD). This compact, lightweight lens uses high-grade glass in 3 LD elements, 3 glass moulded aspherical lenses, one hybrid aspherical lens, and 2 Extra Refractive (XR) elements to deliver exceptional images.
Tamron 24-70mm f2.8 Lens Review

Tamron 24-70mm f2.8 Lens Review

February 2013 - Tamron have given photographers another choice to consider when looking at a standard zoom. But can its specifications on paper live up to the hype and be a viable alternative to the industry standard 24-70mm zooms out there whilst maintaining a similar size and weight and all at a very competitive price point? That’s a tall order. Read more... »

Key Features: Tamron 24-70mm f/2.8 Di VC USD SP Lens

  • High-speed standard zoom
  • F/2.8 high speed and the circular diaphragm construction
  • VC delivers sharp, shake-free images
  • 3 LD ( Low Dispersion) lenses
  • 2 XR (Extra Refractive Index) lenses
  • Filter size: 82mm
  • Groups - elements: 12 – 17

Sample Images:

Tamron SP 24-70mm f2.8 Di VC USD lens sample image
Tamron SP 24-70mm f2.8 Di VC USD lens sample image
Tamron SP 24-70mm f2.8 Di VC USD lens sample image
Tamron SP 24-70mm f2.8 Di VC USD lens sample image

Technical Terms:

VC (Vibration Compensation)
VC (Vibration Compensation) is Tamron’s proprietary image stabilization system. Tamron’s VC is a 3-coil system, whereby 3 driving coils activate the shake-compensating VC lens group electromagnetically via three steel balls. The VC lens elements are held in place only by contact with the steel balls, achieving smooth movement with little friction. This provides a stable viewfinder image with excellent tracking performance. And as the VC lens may be moved in parallel using only the motorized control, the mechanical structure has been simplified, enabling the creation of a more compact lens.

New VC system (moving coil method)
Tamron’s original VC image stabilization mechanism utilized a moving magnet system whereby a heavy magnet was positioned near the moving VC lens element. In the new VC unit the positions of the magnet and the coil are reversed, because of this the VC optical lens element is attached to the coil. The new VC mechanism employs a moving coil mechanism with a lightweight coil, and the lighter coil reduces the load on the drive system. Thus, the lighter, more compact new VC unit contributes to the lens’s overall light weight and compact size.

Because the 24-70 mm F/2.8 Di VC USD is a high-speed zoom lens with maximum aperture of F/2.8, its VC system must drive a lens that is larger and heavier than other zooms. Therefore, the shape, size and layout of the drive coils are all designed to obtain sufficient thrust. The result is a full-size, high-speed zoom that provides the same high level of compensation effect.

Di
Digitally Integrated Design - A Generation of lenses designed for optimized use with digital SLR cameras (APS-C format and full-frame) by means of superior designs and multi-coating techniques. The same outstanding performance is also achieved with conventional cameras.

USD ( Ultrasonic Silent Drive)
Tamron’s USD works with high-frequency ultrasonic vibrations which are produced by a ring called a ‘stator’. Energy from the vibrations is used to rotate an attached metallic ring known as a ‘rotor’. Piezoelectric ceramic, an element that produces ultrasonic vibrations when voltage of a specific frequency is applied is arranged in a ring formation on the stator. This electrode configuration of piezoelectric ceramic causes two ultrasonic vibrations to occur in the stator. By effectively combining these two ultrasonic vibrations, it is possible to convert the energy from the vibrations that produced simple motion into energy known as ‘deflective traveling waves’, which then moves around the circumference (rotation direction) of the ring. With the USD, the friction between these deflective traveling waves created on the metallic surface of the stator and the surface of the rotor produce force, causing the rotor to rotate. The focusing ring of the lens, which is linked to the rotor, is thus moved, creating a fast and smooth auto-focus drive.

SP - Super Performance
Tamron's Super Performance series is a line of high performance lenses featuring high design specifications.


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Product Specification

Aperture Blades 9
Autofocus Motor USM
Colour Black
Enlargement Ratio 1:5.0
Filter Thread Size (mm) 82
Focal Length – Tele (mm) 70
Focal Length – Wide (mm) 24
Included Accessories Petal-shaped lens hood
Lens Mount Canon
Lens Type Standard Zoom
Maximum Aperture – Tele 2.8
Maximum Aperture – Wide 2.8
Number of Lens Elements 17
Number of Lens Groups 12
Size (mm) 108.5 x 88.2 mm
Weight (g) 825
Minimum Focus Distance (m) 0.4
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Product Code: 1530694-wex Manufacturers Part Number: 5450 Got a question? Get it answered...