Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Sigma 150-600mm F5-6.3 DG OS HSM Sports Lens for Nikon Cameras + Lexar 633x 128GB Card + Polaroid 72" Monopod + Ritz Gear Extra Large Pouch + Polaroid 105mm CP & UV Protective Filter + Accessory Kit
Product description: Designed and executed for the most demanding types of photography, the Sigma 150-600mm 5-6.3 DG HSM OS Sports lens is the new standard for telephoto zooms. Boasting 2 FLD glass elements (performance equal to fluorite) and 3 SLD glass elements, the new Sigma 150-600mm Sport produces incredibly sharp images y through the entire zoom range. Chromatic aberration is controlled at the long end of the focal length through the optimized design of the glass elements and a dust and splash proof construction ensures a high degree of durability. An updated optical stabilizer (OS) features an accelerometer for improved panning photography both horizontally and vertically, essential for birding, wildlife and motorsports photography. The Sigma 150-600 Sports also touts a new zoom lock switch that can be locked at any focal length and a new manual override (MO) switch is incorporated as an option which is activated by rotating the focus ring while using the autofocus. This state-of-the-art lens is equipped with advanced Sigma technology including an optimized, quieter AF, water/oil repellent coating on front and rear elements and Mount Conversion service compatibility. This Ritz Camera Bundle Includes: Sigma 150-600mm F5-6.3 DG OS HSM (S) Lens for Nikon F Cameras (Soft cap, Lens hood, case included in the lens box). Also Includes: Lexar Professional 633x 128GB SDXC UHS-I/U3 Card (Up to 95MB/s Read) w/Image Rescue 5 Software - LSD128CBNL633 Ritz Gear X-Large Neoprene Protective Pouch for DSLR Camera Lenses Polaroid 72" Monopod Polaroid Optics 105mm Multi-Coated CPL Circular Polarizer Filter Polaroid Optics 105mm Multi-Coated UV Protective Filter Ritz Gear Premium 8-IN-1 Cleaning Kit For Cameras, Camcorders, SLRs, Lenses & Filters Ritz Gear OTG USB / Micro USB Multi-Function SD / MICRO SD Card Reader / Writer For PC, Tablet and Smartphones
Product feature: Sigma 150-600mm F5-6.3 DG OS HSM ( S ) Lens for Nikon F Cameras Premium Ritz Camera Bundle Including:, Lexar Professional 633x 128GB SDXC UHS-I/U3 Card, Polaroid 72" Monopod, Ritz Gear X-Large Neoprene Protective Pouch for DSLR Camera Lenses, Polaroid Optics 105mm Multi-Coated CPL Circular Polarizer Filter, Polaroid 105mm MC UV Protective Filter, Ritz Gear Premium 8-IN-1 Cleaning Kit, Ritz Gear OTG USB / Micro Multi-Function SD / MICRO Card Reader Writer
Product brand: Ritz Camera
Target attributes: Zoom Focal Length
Answer: attribute: zoom focal length
value: None
source: None