A 24-70 mm lens offers probably one of the most versatile zoom ranges, a put-it-on-the-camera-and-leave-it range. So here comes Tamron with its new SP 24-70 mm f/2.8 Di VC USD G2 lens for full-frame DSLR cameras. The constant f/2.8 aperture makes it even more interesting.
The lens features Dual MPU (Micro Processing Units) to provide rapid autofocusing with improved accuracy and the highest vibration compensation performance of any lens in its class, says the company (CIPA level of 5 stops).
The use of specialized, high quality glass materials (offering greater optical transmittance) for the lens element are said to assure superior colour reproduction and greater sharpness, while the application of Tamron’s nanotechnology-based eBAND Coating substantially curbs the ghosting and flare that are prone to occur in backlit photography, successfully improving the overall optical performance of the lens, Tamron notes. Additionally, the lens provides the added conveniences of protective fluorine coating, moisture-resistant construction and a locking lens hood.
The lens’ optical construction consists of 17 elements in 12 groups using two XR (Extra Refractive Index) elements, three LD (Low Dispersion) elements, three GM (Glass-Molded aspherical), and one hybrid aspherical lens element. Together they are claimed to minimize axial chromatic aberrations, transverse chromatic aberrations, spherical aberrations and distortion, and allow a compact design that achieves superior image quality.
The lens is equipped with Tamron’s VC (Vibration Compensation) system. Adding an MPU dedicated to VC processing unleashes a new-generation algorithm, says Tamron, ensuring the highest vibration compensation ability in the class.
An electromagnetic diaphragm system, which has been a standard feature for Canon-mount lenses, is now employed in Nikon-mount lenses.
The Tamron SP 24-70 mm f/2.8 Di VC USD G2 lens will be available in Canon and Nikon mounts. Nikon mount will be available in August, the Canon mount in September.