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: Brunton Eterna Compact 8x25 Binocular
Product description: This Binocular is an exceptional Brunton Product. Included in this purchase is the Brunton Eterna Compact 8X25, Limited Lifetime Warranty F-E82. All Brunton Products are made with quality materials for long lasting use. Pick up one today!, Small enough for your pocket but tough enough for your truck bed, the Eterna Compact binocular is made for on-the-go use. Backed by a lifetime warranty, the Compact is built with BaK-4 prism glass, and, like all Eternas, features state-of-the-art multi-coatings and twist-up eyecups with multi-step long eye relief. The coatings not only give the Compact a leg up on reflective sunlight, but also help sharpen edges and protect colors, giving users a crisp resolution when peering through the 25mm objective lenses. Add in a sleek alloy frame with ergonomic body armor and you have an ideal binocular for folks who need a quality, mid-power optic that produces high-quality results., Specifications range from 8x power that delivers a 270-foot field of view at 1,000 yards to a 18.5mm long eye relief to a 3.1mm exit pupil. The focus system, meanwhile, sharpens images as close as 6 feet. Additional features include a waterproof and fog-proof housing, Bino Glove neoprene lens covers, and a comfortable neck strap. All this in a compact, easy-to-wield body that weighs a mere 12 ounces., The Eterna Compact binocular measures 4.8 by 3.8 by 1.8 inches (W x H x D)., What's in the Box? Eterna Compact binocular, Bino Glove lens covers, neck strap, user's manual.
Product feature: Brunton Product, Includes Binocular, Great for Camping, High-quality compact 8x power binocular for viewing over long distances, 25mm objective lenses with BaK-4 prism glass and phase coating, 270-foot field of view at 1,000 yards; 18.5mm long eye relief, Waterproof and fog-proof alloy frame; comfortable multi-step eye relief system, Measures 4.8 x 3.8 x 1.8 inches (W x H x D); weighs 12 ounces; limited lifetime warranty
Product brand: Brunton
Target attributes: Eye Relief
Answer: attribute: eye relief
value: None
source: None