Sigma presents the first lens in the Sports range designed specifically for mirrorless full-frame systems: the 150-600mm F5-6.3 DG DN OS | Sports is an ultra-telephoto zoom aimed primarily at wildlife and sports photographers or filmmakers. The construction is dustproof and splashproof, and with freely assignable buttons, users can customize it to their needs. It will be released for Sony E as well as L-mount.
Autofocus is driven by a stepper motor, with a magnetic sensor allowing reliable positioning of the focusing unit -- this lens group has to move a long distance in an ultra-telephoto zoom like this. Autofocus can be limited to one of three distance ranges, which should speed up focusing and prevent misfocusing. With the SIGMA USB DOCK (for L-mount only), an individual focus limit can also be defined. The closest focusing distance is 58 to 280cm.
According to SIgma, the optical construction of 25 elements in 15 groups contains a number of lenses made of special, high-performance types of glass, which should ensure effective correction of all aberrations. In addition, Super Multi Layer Coating (SML) and Nano Porous Coating, which are said to reduce flare and ghosting (lens flares), are used.
The aperture is composed of 9 aperture blades. The optical image stabilizer offers two modes. In addition to OS mode 1 to compensate for all movement, there is a mode 2 that is supposed to allow the camera to deliberately pull along with the subjects and does not correct movement in this direction.
Including tripod clamp, the ultra-telephoto zoom weighs 2,100g, it measures 263.6mm in length or 109.4mm in diameter (filter diameter: 95mm).
The Sigma 150-600mm F5-6.3 DG DN OS | Sports is scheduled to be available at the end of August and will cost 1,399 euros.
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