Tamron today unveiled two new Fixed Focal Length lenses portrait of bright light. How do they present?
Lens Tamron SP 85mm f / 1.8 Di VC USD is a structure composed of 13 elements in 9 groups. Among them, one lens and two LD XLD, designed to improve the dispersion properties of the lens. In addition, we still have a fluorine coating and coating EBAND and Bbar that have to eliminate flare. The lens is sealed to dust and moisture, and in addition is equipped with optical stabilization, as declared by the manufacturer, the strength of 3.5 EV.Autofocus works with the engine USD, while the minimum distance for the sharpening of the lens is 80 cm. The lens will be available for cameras Nikon, Canon and Sony, and the sale is to appear in March of this year. So far we have not met, but its price.
Tamron SP 90mm f / 2.8
The second presented today by Tamron lenses, the SP 90mm f / 2.8 Di VC USD 1: 1 Macro. On the optical design of the lens element 14 consists of 11 groups. Three of them are made of glass having reduced coefficient of dispersion. We also have, as in the model above, coatings and EBAND Bbar. Aperture has 9 leaflets, which, combined with a bright light and a long focal length will give us a nice blur frame. Also, and this model is equipped with stabilization – its strength also is 3.5 EV.The lens is powered by a USM, and has a minimum range of sharpening, as in the case of the glass to the macro is very small and is 13.9 cm. The model will be available for fixing Canon. Sony and Nikon. The sale to materialize, just as the second model presented, in March, and pay for its $ 649. Source: Tamron