Tasco 10x50 Porro Prism Binoculars Black Box. These Binoculars from the trendsetters at Tasco feature fully coated lenses that allow for optimal clarity and brightness in low light situations. With rubber armor the Tasco Universal Binoculars is weather resistant to rain snow sun and more. Tasco Porro-Prism Binoculars feel luxurious at an affordable price. Specifications for Tasco Essentials 10x50mm Binoculars: Manufacturer: Tasco Color: Black Magnification: 10 x Objective Lens Diameter: 50 mm Prism System: Porro Prism Material: BK-7 Field of View Linear: 367 ft at 100 yds Optical Coating: Fully Coated Binoculars Focus System: Center Focus Close Focus: 18 ft Length: 3.12 in Weight: 27 oz Package Type: Box Included Accessories: Case Strap Magnification Type: Fixed Size Class: Standard Eyecups Types: Fold Down Tripod Adaptable: Yes Blade Material: Rubber Features of Tasco Essentials 10x50mm Binoculars Fully coated lenses Rubber armor Weather-resistant Package Contents: Tasco Essentials 10x50mm Binoculars Tasco 170150: Tasco 10x50 Porro Prism Binoculars Black Box