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Unparalleled optical performance in a fast and steady telephoto zoom: In the pursuit to achieve the most outstanding image resolution in the 70-300mm class Tamron's Anniversary lens the SP AF70-300mm F4-5.6 Di USD (Model A005) utilizes an advanced optical design that features an LD (Low Dispersion) and an XLD (Extra Low Dispersion) lens element made from specialized materials that prevent chromatic aberration. As a result the SP AF70-300mm F4-5.6 Di USD (Model A005) boasts sharper contrast and greater descriptive performance than all others in its class. In addition it is the first Tamron lens sporting a USD (Ultrasonic Silent Drive) Tamron's very own 27.0 oz. ultrasonic auto-focus drive mechanism. This USD mechanism delivers fast mechanism focusing making it a perfect telephoto zoom choice for photographing sports racing or other fast-moving subjects. This combination of best in class image resolution Ultrasonic Silent Drive is a new achievement of Tamron technology culminating in the production of a premium 70-300mm telephoto zoom lens.
The lens Does NOT have VC (Vibration Compensation) image stabilization since it is in most Sony cameras already.
- Best-in-Class Optical Performance
- High resolution thru use of XLD glass
- New USD (Ultra Silent Drive) motor for fast and quiet AF
- Dual format Di design for use on fullframe and smaller sensor cameras
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