Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Fujifilm Glimpz Porro Prism Binocular, Black (8x21)
Product description: Everything in life is the matter of perspective and with the Fujifilm Glimpz binoculars, your outlook is always awesome! Whether you are birdwatching, hiking, catching a game or just sightseeing they will put you right in the middle of the action! Glimpz is sure to be a hit for all ages with its compact design and low cost.
Product feature: Small and Compact, Wide Angle View, Reverse Poro Prism optical design, Center Focus
Product brand: Fujifilm
Target attributes: Eye Relief
Answer: attribute: eye relief
value: None
source: None