Sigma kündigt ein neuen APS-C Objektiv mit einer Brennweite von 50 bis 150mm und eine größten Blende von 2.8 an. Das Objektiv soll nur 780g wiegen und über ein Hochgeschwindigkeits-Fokus-Motor (HSM) und vier SLD(Special Low Dispersion) Linsen zur Verminderung von chromatischer Aberation verfügen. Die Filtergewindegröße beträgt 67mm. Weitere Informationen finden Sie unten.
Pressemitteilung im Original:
The Sigma Corporation is pleased to announce the launch of the new APO 50-150mm F2.8 EX DC HSM lens. Specially designed for digital SLR cameras with an APS-C size image sensor, this large aperture F2.8 lens has a compact and lightweight construction of 76.3mm (3.0”) in diameter, 132.6mm (5.2”) in length and weighing just 780g (27.5oz) (Nikon Mount). The incorporation of the very latest optical technology gives optimum lens performance providing excellent correction for flare, ghosting and all types of aberrations. High image quality is assured throughout the entire zoom range. Four SLD(Special Low Dispersion)glass elements are used for utmost correction of chromatic aberrations. The HSM (Hyper Sonic Motor) system ensures quiet and high-speed auto focusing with full time manual focus override. The addition of the 1.4x EX DG APO or 2x EX DG APO Tele Converters (optional extras) produces a 70-210mm F4 AF tele-zoom lens and a 100-300mm F5.6 AF ultra-telephoto zoom lens respectively.
Features:
- Compact and lightweight
- Incorporation of the very latest optical technology, high image quality is assured throughout the entire zoom range.
- Four SLD（Special Low Dispersion）glass elements are used for utmost correction of chromatic aberrations.
- Equipped with HSM (Hyper Sonic Motor) with full-time manual focus override.
- Compatible with Sigma 1.4x EX DG and 2x EX DG APO Tele-Converters
Specifications (Sigma Mount):
-
Focal Length : 50-150mm
- Minimum Aperture : F22
- Lens Construction : 18 Elements in 14 Groups
- Angle of View : 27.9°-9.5°
- Number of Diaphragm Blades : 9 pcs
- Minimum Focusing Distance : 100cm (39.4”)
- Maximum Magnification : 1:5.3
- Filter Size : 67mm
- Lens Hood : Bayonet Type
- Dimensions : Diameter 76.3mm (3.0”)X Length 135.1mm(5.3”)
- Weight : 770g/27.2oz
