Tamron presents a new autofocus lens for SLR cameras with full-format sensor. The fixed focal length SP 35mm F/1.4 Di USD marks the 40th anniversary of the SP series and is expected to feature high resolution even with maximum open aperture F/1.4. The optical design consists of 14 elements in 10 groups, including four LD (Low Dispersion) and three GM (Glass Molded Aspherical) lens elements. The advanced BBAR-G2 (Broad-Band Anti-Reflection Generation 2) coating is designed to improve contrast reproduction and reduce ghosting and glare. The front lens is coated with a protective fluorine coating and the housing is splash-proof.
The autofocus works with an ultrasonic motor and should be fast and quiet. In addition, the lens is equipped with a new dynamic rolling cam mechanism that reduces the drive load on the focus group and improves the reliability of the system under extreme conditions, such as very high or low temperatures. The close-up limit is 30cm. The aperture consists of new lamellas, the filter diameter is 72mm.
The Tamron SP 35mm F/1.4 Di USD (model F045) will be available from the end of June for Nikon F- and from the end of July for Canon EF-Mount and weighs 805g (Nikon) and 815g (Canon) respectively. The list price is 1.299 Euro.
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