The Opticron Oregon 4 LE WP nitrogen waterproof series offer the first-time or occasional user with a high standard of optical performance and functionality in a highly desirable well constructed body. With surprisingly neutral images for their price, the binoculars are perfect for general wildlife observation. Features include: BAK 4 glass, fully multi-coated optical system Long eye relief and twist type retractable eyecups Sophisticated twin relief rubber armored finish Wide wheel focusing with close focus to under 6ft (8x32), under 10ft (8/10x42 and 10x50) Wide-angle 8x32 with 8.1 Degree field of view Limited Lifetime Warranty