Home / Binoculars / Monoculars / Celestron Product Description ED objective lenses provide superior images virtually free of chromatic aberration with accurate color reproduction, increased resolution and contrast Fully multi-coated optics for maximum light transmission through the optical path Phase and dielectric coated BaK-4 prisms for vivid, true-to-life colors Tripod adaptable Magnification: 8x Objective Lens Diameter: 42mm (1.65") Angular Field of View: 8.1° Linear Field of View (@1000 yds) / @1000 m): 426ft (142m) Exit Pupil: 5.2mm (.20") Eye Relief: 17.2mm (.67") Close Focus: 6.5 ft (2.16 m) Interpupillary Distance (max): 74mm (2.91") Interpupillary Distance (min): 56mm (2.20") Diopter Adjustment Range: ±3 Twilight Factor: 17.8 Relative Brightness: 27.04 Limiting Stellar Magnitude: Ideal: 10.62 Moderate: 9.62 Poor: 8.62 Lens Coatings: Fully Multi-Coated Prism Glass (Type): Bak-4 Prism Coatings: Phase and Dielectric Coated Weight: 23.5 oz (666 g) Environmental Protection: Waterproof Nitrogen Filled: Yes Tripod Adaptable: Yes Carrying Case: Soft Case Dimensions: 139.7mm x 124.46mm x 50.8mm (5.5" x 4.9" x 2") Included Items: Objective Lens and eyepiece Caps Neck Strap Carrying Harness Lens Cloth Instruction Manual Solar Warning Never look directly at the Sun with the naked eye or with this optic. Permanent and irreversible eye damage may result. Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it. Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present. Customer reviews No reviews left yet Write A Review Sort byMost RecentTop Rated Description ED objective lenses provide superior images virtually free of chromatic aberration with accurate color reproduction, increased resolution and contrast Fully multi-coated optics for maximum light transmission through the optical path Phase and dielectric coated BaK-4 prisms for vivid, true-to-life colors Tripod adaptable Magnification: 8x Objective Lens Diameter: 42mm (1.65") Angular Field of View: 8.1° Linear Field of View (@1000 yds) / @1000 m): 426ft (142m) Exit Pupil: 5.2mm (.20") Eye Relief: 17.2mm (.67") Close Focus: 6.5 ft (2.16 m) Interpupillary Distance (max): 74mm (2.91") Interpupillary Distance (min): 56mm (2.20") Diopter Adjustment Range: ±3 Twilight Factor: 17.8 Relative Brightness: 27.04 Limiting Stellar Magnitude: Ideal: 10.62 Moderate: 9.62 Poor: 8.62 Lens Coatings: Fully Multi-Coated Prism Glass (Type): Bak-4 Prism Coatings: Phase and Dielectric Coated Weight: 23.5 oz (666 g) Environmental Protection: Waterproof Nitrogen Filled: Yes Tripod Adaptable: Yes Carrying Case: Soft Case Dimensions: 139.7mm x 124.46mm x 50.8mm (5.5" x 4.9" x 2") Included Items: Objective Lens and eyepiece Caps Neck Strap Carrying Harness Lens Cloth Instruction Manual Solar Warning Never look directly at the Sun with the naked eye or with this optic. Permanent and irreversible eye damage may result. Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it. Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present. Reviews No reviews left yet Write A Review Sort byMost RecentTop Rated Delivery & Returns Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed feugiat sem id nunc finibus, et facilisis dolor aliquam. Donec ex felis, scelerisque ut facilisis et, convallis nec magna. Nulla vel ex eget lacus imperdiet mattis convallis quis leo. Mauris laoreet vulputate mauris. Vestibulum in blandit enim. Vivamus consectetur mattis dapibus. Nullam ultricies malesuada dignissim. Customer Reviews Celestron Trailseeker ED 8x42 Out of stock £369.00 Sorry, this item is out of stock Login to add this product to your wishlist.