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Discussion: Belle annonce Tamron ...
Mode arborescent
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06/02/2012, 12h03 #1
- Inscription
- January 2008
- Localisation
- Sologne
- Âge
- 59
- Messages
- 30 221
- Boîtier
- 7D MK II,1DS MK II,50D, 400D
- Objectif(s)
- 28 2.8/50 1.4/85 1.8/100 2.8/135 2.8 SF/28-75/24-105L/70-200 L f4/200 2.8 L/120-400
Mes photos publiées
Belle annonce Tamron ...
Annonce du jour, le remplaçant du 28-75 ! Stabilisé, motorisation rapide et silencieuse et de jolie morceaux de verre dedans ...
Tamron SP 24-70mm f/2.8 Di VC USD
Product Features
1. A full-size, high-speed standard zoom with built-in VC ( Vibration Compensation). Even when shooting in low-light conditions with a slow shutter speed to render sharpness, Tamron’s acclaimed VC allows for stable handheld camera work, to more fully enjoy the benefits of this high-speed zoom lens.
2. Uses special high-grade glass in the three LD elements, three glass molded aspherical lenses, one hybrid aspherical lens and two XR (Extra Refractive Index) glasses, delivering top-of-the-class quality images suited to this high-grade lens. Using a rounded diaphragm, the lens achieves gorgeous blur effects. This rounded diaphragm retains a nearly circular shape even when taken two stops down from its fully open state.
3. Features Tamron proprietary USD ( Ultrasonic Silent Drive) to power a speedy AF drive together with a continuous manual mechanism.
4. This high-speed standard zoom lens has a wide-end focal length of 24mm that expands the photographic area.
5. The lens adopts the new technology including the latest optical design, VC ( Vibration Compensation) image stabilization and USD ( Ultrasonic Silent Drive), all in a lighter and more compact package.
6. Moisture-resistant construction helps prevent water from penetrating the lens.
Specifications:
Model: A007
Focal length: 24-70mm
Maximum aperture: F/2.8
Angle of view (diagonal): 84°04’ -34°21’ (for full frame 35mm format cameras)
60°20’ -22°33’ (for APS-C format cameras)
Lens construction: 17 elements in 12 groups
Minimum focus distance: 0.38m (15.0 in)
Maximum magnification ratio: 1:5 (at f=70mm: MFD 0.38m)
Filter size: φ82mm
Length: 108.5mm*
Entire Length: 116.9mm*
Diameter: φ88.2mm
Weight: 825g*
No. of diaphragm blades: 9 (rounded diaphragm)
Minimum aperture: F/22
Standard accessories: Flower-shaped lens hood
Compatible mounts: Canon, Nikon, Sony
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