USM : "Ultrasonic Silent Drive"
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First Tamron lens to feature an ultrasonic AF motorisation (USD, "Ultrasonic Silent Drive"), this new 70-300mm lens suites both full frame SLR and APS-C sensor based SLR. The SP 70-300mm F4-5.6 Di VC USD, that's its name, is also optically stabilized and allows full-time manual focus override. Optically, it gets an XLD glass lens, a glass with near fluorite performances according to Tamron. This reminds us of the FLD announced by Sigma and used in 3 new lenses this year.
The new SP 70-300mm F4-5.6 Di VC USD wil be a Mile Marker in the Japanese optician history as it s the first lens to offer silent and fast ultrasonic engine motorisation. |
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Tamron SP 70-300mm F4-5.6 Di VC USD technical specifications
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- Focal length : 70-300mm
- MAx aperture : F/4-5.6
- Optical built : 17 elements in 12 groups
- 9 blades diaphragme
- Minimal focusing distance : 1,5m
- Maximal reproduction ratio : 1:4
- Ultrasonic AF motorisation (USD)
- Optical image stabilisation (VC)
- Filter diameter : 62mm
- Weight : 765 grammes
- Bayonet : Nikon, Canon, Sony
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