Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Sony Alpha a7RII Mirrorless Digital Camera Body with 24-240mm f/3.5-6.3 OSS Lens
Product description: Sony 7R II Full-frame Mirrorless Interchangeable-Lens Camera Realism meets resolution and sensitivity - with the world's first (1) back-illuminated 35 mm full-frame CMOS image sensor. The 7R II increases image quality with 42.4MP resolution, up to ISO 102,400 sensitivity and speedy response with 5fps and a Fast Hybrid AF system (399 AF points). Bundle Includes: Sony Alpha a7RII Mirrorless Digital Camera (Body Only) Sony FE 24-240mm f/3.5-6.3 OSS Full-frame E-mount Telephoto Zoom Lens Sony 64GB SDHC UHS-1 Class 10 Memory Card 72mm UltraViolet (UV) Filter 72mm Circular Polarizing (CPL)Filter Focus Silicone Band for Zoom Lenses Replacement Lithium Ion Battery for Sony NP-FW50 Rapid Travel Charger for Sony NP-FW50 Focus Camera Digital SLR Camera Bag Bundle
Product feature: 2.4-million dot XGA OLED Tru-Finder w/ ZEISS T* coating / 4K movie recording with full pixel readout and no pixel binning, 42.4MP & 5-axis in-body image stabilization optimized for 42.4MP full-frame, Simple connectivity to smartphones via Wi-Fi and NFC w/ camera apps / Fast focal plane phase-detection AF realized with A-mount lenses, ISO 102,400 / 4K up to 25,600, Durable, reliable and ergonomically enhanced for professional use
Product brand: Sony
Target attributes: Optical Zoom
Answer: attribute: optical zoom
value: None
source: None